CN1319876C - Method for preparing biodegradable water treatment agent PECS - Google Patents
Method for preparing biodegradable water treatment agent PECS Download PDFInfo
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- CN1319876C CN1319876C CNB2005101223629A CN200510122362A CN1319876C CN 1319876 C CN1319876 C CN 1319876C CN B2005101223629 A CNB2005101223629 A CN B2005101223629A CN 200510122362 A CN200510122362 A CN 200510122362A CN 1319876 C CN1319876 C CN 1319876C
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Abstract
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Claims (5)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101223629A CN1319876C (en) | 2005-12-15 | 2005-12-15 | Method for preparing biodegradable water treatment agent PECS |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2005101223629A CN1319876C (en) | 2005-12-15 | 2005-12-15 | Method for preparing biodegradable water treatment agent PECS |
Publications (2)
Publication Number | Publication Date |
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CN1789178A CN1789178A (en) | 2006-06-21 |
CN1319876C true CN1319876C (en) | 2007-06-06 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CNB2005101223629A Active CN1319876C (en) | 2005-12-15 | 2005-12-15 | Method for preparing biodegradable water treatment agent PECS |
Country Status (1)
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CN (1) | CN1319876C (en) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104370379B (en) * | 2014-10-17 | 2016-01-20 | 中国海洋石油总公司 | The scale inhibitor of a kind of oil field hot environment water-in-oil system and method for making and purposes |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795585A (en) * | 1987-04-24 | 1989-01-03 | General Chemical Corporation | Polyvinyl alcohol containing polyaluminum chloride flocculants |
US5658487A (en) * | 1995-02-17 | 1997-08-19 | Betz Laboratories, Inc. | Polymeric dithiocarbamate acid salt compositions and method of use |
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2005
- 2005-12-15 CN CNB2005101223629A patent/CN1319876C/en active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4795585A (en) * | 1987-04-24 | 1989-01-03 | General Chemical Corporation | Polyvinyl alcohol containing polyaluminum chloride flocculants |
US5658487A (en) * | 1995-02-17 | 1997-08-19 | Betz Laboratories, Inc. | Polymeric dithiocarbamate acid salt compositions and method of use |
Non-Patent Citations (1)
Title |
---|
聚环氧磺羧酸的合成及其阻垢性能 胡晓斌等,应用化学,第22卷第1期 2005 * |
Also Published As
Publication number | Publication date |
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CN1789178A (en) | 2006-06-21 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: CHINA NATIONAL OFFSHORE OIL CORP.; TIANJIN CHEMIC Free format text: FORMER OWNER: TIANJIN CHEMICAL RESEARCH + DESING INST Effective date: 20080613 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20080613 Address after: 25, Chaoyangmen North Street, Dongcheng District, Beijing, zip code: 100010 Co-patentee after: Tianjin Chemical research &. Design Inst. Patentee after: China National Offshore Oil Corporation Address before: No. three, No. 85, No. 300131, Hongqiao Road, Tianjin, China Patentee before: Tianjin Chemical research &. Design Inst. |
|
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20060621 Assignee: Tianjin Zhengda Technology Co., Ltd. Assignor: China National Offshore Oil Corporation|Tianjin Chemical research &. Design Inst. Contract record no.: 2010120000029 Denomination of invention: Method for preparing biodegradable water treatment agent PECS Granted publication date: 20070606 License type: Exclusive License Record date: 20100325 |