EP0277018A3 - Water absorbing polymers - Google Patents

Water absorbing polymers Download PDF

Info

Publication number: EP0277018A3
Authority: EP; European Patent Office
Prior art keywords: water absorbing; absorbing polymers; polymers; water; absorbing
Prior art date: 1987-01-30
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Granted

Application number

EP88300727A

Other versions

EP0277018A2 (en

EP0277018B1 (en

Inventor

David Farrar

Peter Flesher

Malcolm Skinner

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Ciba Specialty Chemicals Water Treatments Ltd

Original Assignee

Allied Colloids Ltd

Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)

1987-01-30

Filing date

1988-01-28

Publication date

1989-01-25

Family has litigation

First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=27449876&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0277018(A3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.

1987-01-30 Priority claimed from GB878702052A external-priority patent/GB8702052D0/en

1987-07-20 Priority claimed from GB878717093A external-priority patent/GB8717093D0/en

1987-08-13 Priority claimed from GB878719215A external-priority patent/GB8719215D0/en

1987-08-13 Priority claimed from GB878719216A external-priority patent/GB8719216D0/en

1988-01-28 Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd

1988-08-03 Publication of EP0277018A2 publication Critical patent/EP0277018A2/en

1989-01-25 Publication of EP0277018A3 publication Critical patent/EP0277018A3/en

1992-04-01 Application granted granted Critical

1992-04-01 Publication of EP0277018B1 publication Critical patent/EP0277018B1/en

Status Expired legal-status Critical Current

Links

Classifications

- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10L—FUELS NOT OTHERWISE PROVIDED FOR; NATURAL GAS; SYNTHETIC NATURAL GAS OBTAINED BY PROCESSES NOT COVERED BY SUBCLASSES C10G, C10K; LIQUEFIED PETROLEUM GAS; ADDING MATERIALS TO FUELS OR FIRES TO REDUCE SMOKE OR UNDESIRABLE DEPOSITS OR TO FACILITATE SOOT REMOVAL; FIRELIGHTERS
- C10L9/00—Treating solid fuels to improve their combustion
- C10L9/10—Treating solid fuels to improve their combustion by using additives
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22B—PRODUCTION AND REFINING OF METALS; PRETREATMENT OF RAW MATERIALS
- C22B1/00—Preliminary treatment of ores or scrap
- C22B1/14—Agglomerating; Briquetting; Binding; Granulating
- C22B1/24—Binding; Briquetting ; Granulating
- C22B1/242—Binding; Briquetting ; Granulating with binders
- C22B1/244—Binding; Briquetting ; Granulating with binders organic

EP19880300727 1987-01-30 1988-01-28 Water absorbing polymers Expired EP0277018B1 (en)

Applications Claiming Priority (8)

Application Number	Priority Date	Filing Date	Title
GB878702052A GB8702052D0 (en)	1987-01-30	1987-01-30	Water absorbing polymers
GB8702052		1987-01-30
GB8717093		1987-07-20
GB878717093A GB8717093D0 (en)	1987-07-20	1987-07-20	Water absorbing polymers
GB8719215		1987-08-13
GB878719215A GB8719215D0 (en)	1987-08-13	1987-08-13	Water absorbing polymers
GB878719216A GB8719216D0 (en)	1987-08-13	1987-08-13	Water absorbing polymers
GB8719216		1987-08-13

Publications (3)

Publication Number	Publication Date
EP0277018A2 EP0277018A2 (en)	1988-08-03
EP0277018A3 true EP0277018A3 (en)	1989-01-25
EP0277018B1 EP0277018B1 (en)	1992-04-01

Family

ID=27449876

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
EP88300726A Ceased EP0277017A3 (en)	1987-01-30	1988-01-28	Coal compositions and their production
EP19880300727 Expired EP0277018B1 (en)	1987-01-30	1988-01-28	Water absorbing polymers

Family Applications Before (1)

Application Number	Title	Priority Date	Filing Date
EP88300726A Ceased EP0277017A3 (en)	1987-01-30	1988-01-28	Coal compositions and their production

Country Status (6)

Country	Link
EP (2)	EP0277017A3 (en)
AU (2)	AU596055B2 (en)
CA (1)	CA1293351C (en)
DE (1)	DE3869631D1 (en)
ES (1)	ES2030165T3 (en)
GB (2)	GB2200133B (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US5171781A (en) *	1987-01-30	1992-12-15	Allied Colloids Limited	Polymeric compositions
GB8725096D0 (en) *	1987-10-27	1987-12-02	Allied Colloids Ltd	Polymeric processes & conversions
EP0326382B1 (en) *	1988-01-28	1997-04-23	Ciba Specialty Chemicals Water Treatments Limited	Polymeric compositions
US4950692A (en) *	1988-12-19	1990-08-21	Nalco Chemical Company	Method for reconstituting superabsorbent polymer fines
GB8830383D0 (en) *	1988-12-30	1989-03-01	Allied Colloids Ltd	Process and composition for pelletising particulate materials
GB8912600D0 (en) *	1989-06-01	1989-07-19	Allied Colloids Ltd	Absorbent polymers and their production
DE3933374A1 (en) *	1989-10-06	1991-04-18	Metallgesellschaft Ag	METHOD FOR CHARGING CHARCOAL FILTER SLUDGE
US5231797A (en) *	1991-04-19	1993-08-03	Energy International Corporation	Process for treating moisture laden coal fines
AU658507B2 (en) *	1992-06-26	1995-04-13	Nalco Chemical Company	Bulk solids detackification
US5391597A (en) *	1993-10-04	1995-02-21	Cytec Technology Corp.	Composition and process for increasing the shear strength of processing wastes used for tip building and underground consolidation
US6313199B1 (en) *	1995-06-07	2001-11-06	Cytec Technology Corp.	Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby
US5849862A (en) *	1995-06-07	1998-12-15	Cytec Technology Corp.	Processes of spray drying polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions
US5869542A (en) *	1995-06-07	1999-02-09	Cytec Technology Corp.	Spray drying of polymer-containing dispersions, water-in-oil emulsions and microemulsions and dry polymer products formed thereby
US6011089A (en) *	1995-06-07	2000-01-04	Cytec Technology Corp.	Spray drying of polymer-containing dispersions, water-in-oil emulsions and water-in-oil microemulsions, and dry polymer products formed thereby
DE19529217C1 (en) *	1995-08-09	1996-08-29	Dsu Gmbh	Agglomeration of roller scale sludge
US5922794A (en) *	1997-03-26	1999-07-13	General Electric Company	Compositions stabilized with tertiary amine oxides
US6213416B1 (en)	1998-09-28	2001-04-10	Ciba Specialty Chemicals Water Treatments Ltd.	Treatment of phosphate-containing rock
EP1160197A1 (en)	2000-05-29	2001-12-05	Ciba Specialty Chemicals Water Treatments Limited	Treatment of phosphate containing rock
IT1393778B1 (en) *	2009-04-06	2012-05-08	Sannino	PROCEDURE FOR WASTE TREATMENT.
KR20160041825A (en)	2014-10-08	2016-04-18	주식회사 엘지화학	Preparation method of super absorbent polymer granule

Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4043952A (en) *	1975-05-09	1977-08-23	National Starch And Chemical Corporation	Surface treatment process for improving dispersibility of an absorbent composition, and product thereof
EP0161926A2 (en) *	1984-05-16	1985-11-21	Ciba Specialty Chemicals Water Treatments Limited	Polymeric compositions
EP0195550A1 (en) *	1985-03-05	1986-09-24	Ciba Specialty Chemicals Water Treatments Limited	Water absorbing polymers
EP0202780A2 (en) *	1985-04-25	1986-11-26	Ciba Specialty Chemicals Water Treatments Limited	Flocculation processes
EP0213799A1 (en) *	1985-08-12	1987-03-11	Ciba Specialty Chemicals Water Treatments Limited	Absorbent polymers, their manufacture and uses
EP0227305A2 (en) *	1985-11-27	1987-07-01	Ciba Specialty Chemicals Water Treatments Limited	Surface treatment of polymers

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3703772A (en) *	1971-07-27	1972-11-28	Colgate Palmolive Co	Drying of detergents
GB2122218B (en) *	1982-06-18	1986-03-19	Coal Ind	Treatment of moist fine particulate material
CA1214039A (en) *	1982-09-30	1986-11-18	George E. Snow	Process for the beneficiation of carbonaceous matter employing high shear conditioning
US4816166A (en) *	1983-10-31	1989-03-28	The Dow Chemical Company	Flocculation of coal particles and coal slimes
US4511477A (en) *	1985-04-15	1985-04-16	The Dow Chemical Company	Process of using water-absorbent agents for low pH applications

1988
- 1988-01-28 GB GB8801902A patent/GB2200133B/en not_active Expired
- 1988-01-28 ES ES88300727T patent/ES2030165T3/en not_active Expired - Lifetime
- 1988-01-28 GB GB8801903A patent/GB2200440B/en not_active Expired - Lifetime
- 1988-01-28 DE DE8888300727T patent/DE3869631D1/en not_active Expired - Lifetime
- 1988-01-28 EP EP88300726A patent/EP0277017A3/en not_active Ceased
- 1988-01-28 EP EP19880300727 patent/EP0277018B1/en not_active Expired
- 1988-01-29 CA CA000557714A patent/CA1293351C/en not_active Expired - Lifetime
- 1988-02-01 AU AU11145/88A patent/AU596055B2/en not_active Ceased
- 1988-02-01 AU AU11144/88A patent/AU612619B2/en not_active Ceased

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4043952A (en) *	1975-05-09	1977-08-23	National Starch And Chemical Corporation	Surface treatment process for improving dispersibility of an absorbent composition, and product thereof
EP0161926A2 (en) *	1984-05-16	1985-11-21	Ciba Specialty Chemicals Water Treatments Limited	Polymeric compositions
EP0195550A1 (en) *	1985-03-05	1986-09-24	Ciba Specialty Chemicals Water Treatments Limited	Water absorbing polymers
EP0202780A2 (en) *	1985-04-25	1986-11-26	Ciba Specialty Chemicals Water Treatments Limited	Flocculation processes
EP0213799A1 (en) *	1985-08-12	1987-03-11	Ciba Specialty Chemicals Water Treatments Limited	Absorbent polymers, their manufacture and uses
EP0227305A2 (en) *	1985-11-27	1987-07-01	Ciba Specialty Chemicals Water Treatments Limited	Surface treatment of polymers

Also Published As

Publication number	Publication date
EP0277018A2 (en)	1988-08-03
GB8801903D0 (en)	1988-02-24
CA1293351C (en)	1991-12-24
EP0277017A2 (en)	1988-08-03
AU612619B2 (en)	1991-07-18
GB8801902D0 (en)	1988-02-24
AU596055B2 (en)	1990-04-12
EP0277018B1 (en)	1992-04-01
GB2200133A (en)	1988-07-27
EP0277017A3 (en)	1989-01-25
DE3869631D1 (en)	1992-05-07
GB2200440B (en)	1991-05-08
GB2200440A (en)	1988-08-03
GB2200133B (en)	1989-04-05
AU1114588A (en)	1988-08-04
AU1114488A (en)	1988-08-04
ES2030165T3 (en)	1992-10-16

Legal Events

Date	Code	Title	Description
1988-06-18	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1988-08-03	AK	Designated contracting states	Kind code of ref document: A2 Designated state(s): BE DE ES FR GB IT NL SE
1988-12-08	PUAL	Search report despatched	Free format text: ORIGINAL CODE: 0009013
1989-01-25	AK	Designated contracting states	Kind code of ref document: A3 Designated state(s): BE DE ES FR GB IT NL SE
1989-02-22	17P	Request for examination filed	Effective date: 19881222
1990-08-01	17Q	First examination report despatched	Effective date: 19900619
1991-12-27	RBV	Designated contracting states (corrected)	Designated state(s): BE DE ES FR IT NL SE
1992-02-14	GRAA	(expected) grant	Free format text: ORIGINAL CODE: 0009210
1992-04-01	AK	Designated contracting states	Kind code of ref document: B1 Designated state(s): BE DE ES FR IT NL SE
1992-05-07	REF	Corresponds to:	Ref document number: 3869631 Country of ref document: DE Date of ref document: 19920507
1992-05-29	ITF	It: translation for a ep patent filed	Owner name: JACOBACCI & PERANI S.P.A.
1992-06-19	ET	Fr: translation filed
1992-10-16	REG	Reference to a national code	Ref country code: ES Ref legal event code: FG2A Ref document number: 2030165 Country of ref document: ES Kind code of ref document: T3
1993-01-08	PLBI	Opposition filed	Free format text: ORIGINAL CODE: 0009260
1993-03-03	26	Opposition filed	Opponent name: S.N.F. Effective date: 19921231
1993-05-03	NLR1	Nl: opposition has been filed with the epo	Opponent name: S.N.F.
1995-01-24	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: FR Payment date: 19950124 Year of fee payment: 8
1995-01-26	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: SE Payment date: 19950126 Year of fee payment: 8
1995-01-26	PLAB	Opposition data, opponent's data or that of the opponent's representative modified	Free format text: ORIGINAL CODE: 0009299OPPO
1995-01-31	EAL	Se: european patent in force in sweden	Ref document number: 88300727.0
1995-01-31	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: NL Payment date: 19950131 Year of fee payment: 8 Ref country code: ES Payment date: 19950131 Year of fee payment: 8
1995-02-09	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: DE Payment date: 19950209 Year of fee payment: 8
1995-03-02	PGFP	Annual fee paid to national office [announced via postgrant information from national office to epo]	Ref country code: BE Payment date: 19950302 Year of fee payment: 8
1995-03-15	R26	Opposition filed (corrected)	Opponent name: S.N.F. Effective date: 19921231
1996-02-02	APAC	Appeal dossier modified	Free format text: ORIGINAL CODE: EPIDOS NOAPO
1996-02-16	RDAG	Patent revoked	Free format text: ORIGINAL CODE: 0009271
1996-02-16	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: PATENT REVOKED
1996-04-03	27W	Patent revoked	Effective date: 19960215
1996-06-03	NLR2	Nl: decision of opposition
2005-10-05	APAH	Appeal reference modified	Free format text: ORIGINAL CODE: EPIDOSCREFNO

Publication	Publication Date	Title
DE3662979D1 (en)	1989-06-01	Water absorbing polymers
DE3372635D1 (en)	1987-08-27	Water absorbing polymers
EP0172723A3 (en)	1988-05-04	Water soluble polymers
GB8801903D0 (en)	1988-02-24	Water absorbing polymers
GB8602649D0 (en)	1986-03-12	Polymers
GB2191808B (en)	1989-12-06	Water barriers
GB8707442D0 (en)	1987-04-29	Polymers
GB8725838D0 (en)	1987-12-09	Polymers
GB8709296D0 (en)	1987-05-20	Silethynyl polymers
GB8904707D0 (en)	1989-04-12	Water vaporisor
AR243904A1 (en)	1993-09-30	Polymers
GB8815976D0 (en)	1988-08-10	Ethersulphone polymers
ZA861640B (en)	1987-05-27	Water absorbing polymers
GB8719216D0 (en)	1987-09-23	Water absorbing polymers
GB8720264D0 (en)	1987-10-07	Water absorbing polymers
ZA88691B (en)	1989-04-26	Water absorbing polymers
GB8719215D0 (en)	1987-09-23	Water absorbing polymers
GB8717093D0 (en)	1987-08-26	Water absorbing polymers
GB8615662D0 (en)	1986-07-30	Polymers
GB8420693D0 (en)	1984-09-19	Water soluble polymers
GB8516646D0 (en)	1985-08-07	Water absorbing polymers
GB8530784D0 (en)	1986-01-22	Water absorbing polymers
GB8613158D0 (en)	1986-07-02	Polymers
ZA835920B (en)	1984-09-26	Water absorbing polymers
KR900002314Y1 (en)	1990-03-22	Water guntoys