|
| US3966543 | 30 Oct 1972 | 29 Jun 1976 | Baxter Laboratories, Inc. | Enzyme-treated paper |
| US4610800 | 25 Jan 1985 | 9 Sep 1986 | Genex Corporation | Method for unclogging drainage pipes |
| US4923565 | 22 Sep 1987 | 8 May 1990 | La Cellulose Du Pin | Method for treating a paper pulp with an enzyme solution |
| US5068009 | 22 Mar 1990 | 26 Nov 1991 | Cultor Ltd. | Method of producing fluff pulp with improved defibration properties |
| US5110412 | 11 Feb 1991 | 5 May 1992 | La Cellulose Du Pin | Method of manufacture of paper or cardboard using recycled fibers treated with enzymes |
| US5203964 | 31 Dec 1991 | 20 Apr 1993 | | Process for producing cellulose from lignin containing raw materials using an enzyme or microorganism while monitoring and maintaining the redox potential |
| US5228954 | 28 May 1991 | 20 Jul 1993 | The Procter & Gamble Cellulose Company | Cellulose pulps of selected morphology for improved paper strength potential |
| US5308449 | 20 Jul 1992 | 3 May 1994 | La Cellulose du Pin | Method for treating a paper pulp with an enzyme solution |
| US5405499 | 24 Jun 1993 | 11 Apr 1995 | The Procter & Gamble Company | Cellulose pulps having improved softness potential |
| US5582685 | 9 Aug 1994 | 10 Dec 1996 | The Procter & Gamble Company | Method for producing a cellulose pulp of selected fiber length and coarseness by a two-stage fractionation |
| US5679218 | 13 Mar 1996 | 21 Oct 1997 | The Procter & Gamble Company | Tissue paper containing chemically softened coarse cellulose fibers |
| US5843764 | 18 Jan 1995 | 1 Dec 1998 | Martin Marietta Energy Systems, Inc. | Method for separating the non-inked cellulose fibers from the inked cellulose fibers in cellulosic materials |
| US6939437 | 13 Nov 2000 | 6 Sep 2005 | Buckman Laboratories International, Inc. | Paper making processes using enzyme and polymer combinations |