| Patents for C08B 3 - Preparation of cellulose esters of organic acids (1,677) |
|---|
| 08/23/1995 | EP0668078A2 Cross-linked polysaccharides used as absorbant materials |
| 08/16/1995 | CA2140979A1 Crosslinked polysaccharides useful as absorbent materials |
| 06/28/1995 | CN1104219A Plasticized acetic acid cellulose, preparation and use of same in making of fibres |
| 06/28/1995 | CN1104218A Acetylation of lignocellulosic materials |
| 06/27/1995 | CA1336087C Polysaccharide esters |
| 05/30/1995 | US5420267 Reaction of diketene and alkyl acetoacetate in solvent for coatings |
| 05/24/1995 | EP0654044A1 Process for acetylation of cellulose |
| 05/04/1995 | WO1995011925A1 Modified polysaccharides having improved absorbent properties and process for the preparation thereof |
| 05/03/1995 | EP0650998A1 Acetylation of lignocellulosic materials |
| 03/29/1995 | EP0644901A1 Process for activation of cellulose |
| 03/08/1995 | EP0560854B1 Conductive coating composition and composite bases and elements containing same |
| 02/16/1995 | WO1995004778A1 Biodegradable compostable plastic and method of making the same |
| 02/15/1995 | EP0638244A1 Catalytic system for the acylation of cellulose and a process for producing and using said catalytic system |
| 02/01/1995 | EP0636649A2 Plasticised cellulose acetate, process for obtaining the same and its use in the production of filaments |
| 01/29/1995 | CA2128812A1 Plasticized cellulose acetate, process for its production and its use for producing filaments |
| 01/18/1995 | EP0548272B1 Improved process for obtaining highly esterified polyol fatty acid polyesters having reduced levels of di-fatty ketones and beta-ketoesters |
| 01/05/1995 | DE4422356A1 Acetylation process for cellulose-containing material, and process for production of modified wood |
| 12/20/1994 | CA1333598C Treating cellulosic sheet material |
| 12/07/1994 | CN1096033A Process for producing cellulose acetate |
| 12/06/1994 | US5371211 Cellulose esters and salts thereof |
| 12/06/1994 | US5371207 For more uniform activation |
| 11/30/1994 | EP0626391A1 Process for producing cellulose acetate |
| 11/15/1994 | US5364935 Continuous hydrolysis of cellulose acetate |
| 11/02/1994 | EP0621876A1 Continuous hydrolysis of cellulose acetate. |
| 11/01/1994 | US5360843 Crosslinked coatings |
| 10/13/1994 | WO1994022919A1 Applications and methods for the preparation of fatty acid esters of polysaccharides |
| 10/13/1994 | CA2159078A1 Applications and methods for the preparation of fatty acid esters of polysaccharides |
| 09/21/1994 | EP0615979A2 Partial esters of acidic polysaccharides |
| 09/14/1994 | EP0614914A2 Crosslinked carboxy polysaccharides |
| 09/14/1994 | CN1092077A A novel method of improving the acetylation of cellulose |
| 09/01/1994 | DE4325352C1 Plasticised cellulose acetate, process for the preparation thereof, and the use thereof for the production of filaments |
| 08/10/1994 | CA2089117A1 Method of improving the acetylation of cellulose |
| 07/19/1994 | US5330642 Method of filtering cellulose acetate solutions as well as a plant for carrying out the method |
| 07/07/1994 | WO1994014344A1 Catalytic system for the acylation of cellulose and a process for producing and using said catalytic system |
| 06/08/1994 | CN1087645A Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof |
| 05/25/1994 | EP0598038A1 Cellulose acetoacetates. |
| 04/06/1994 | EP0590401A2 Fatty acid ester of cellulose, cellulose diacetate and processes for the preparation thereof |
| 03/22/1994 | US5295514 Cellulose aminomethanate sausage casings |
| 03/08/1994 | US5292877 Cellulose acetoacetates |
| 03/08/1994 | US5292876 Mixed cellulose esters |
| 03/02/1994 | EP0584677A1 Biologically dégradable thermoplastic cellulose esters and process for producing the same |
| 02/17/1994 | WO1994003497A1 Process for acetylation of cellulose |
| 02/17/1994 | WO1993025584A3 Process for activation of cellulose |
| 02/17/1994 | CA2141317A1 Process for acetylation of cellulose |
| 02/16/1994 | CN1082054A Process for preparing acetate of cellulose |
| 02/03/1994 | WO1994002539A1 Synthesis of plastics from recycled paper and sugar cane |
| 01/18/1994 | CA1326236C Production of cellulose acetate |
| 12/23/1993 | WO1993025584A2 Process for activation of cellulose |
| 12/23/1993 | CA2136733A1 Process for activation of cellulose |
| 12/15/1993 | CN1079486A Photoactive titania pigments |
| 12/09/1993 | WO1993024576A1 Photoactive titania pigments |
| 12/07/1993 | US5268422 Functionalized poly(hydroxyalkanoates) and methods of manufacturing same |
| 12/01/1993 | EP0571507A1 Preparation of cellulose diacetate by recycling processed film |
| 11/17/1993 | CN1078481A A water-dispersible complex and a proless for the production thereof |
| 09/22/1993 | EP0560891A1 Improved cellulose esters and salts thereof. |
| 09/22/1993 | EP0560854A1 Conductive coating composition and composite bases and elements containing same. |
| 09/14/1993 | US5244945 Synthesis of plastics from recycled paper and sugar cane |
| 09/07/1993 | US5242880 Photoactive catalyst of barium phosphate or calcium phosphate supported on anatase titanium dioxide |
| 08/17/1993 | US5236959 Process for recycling polyester/cotton blends |
| 07/22/1993 | WO1993014128A1 Continuous hydrolysis of cellulose acetate |
| 07/21/1993 | CN1074449A Continuous hydrolysis of cellulose acetate |
| 07/14/1993 | EP0550732A1 Process for the separation of the aqueous phase from cellulose acetate. |
| 06/30/1993 | EP0548272A1 IMPROVED PROCESS FOR OBTAINING HIGHLY ESTERIFIED POLYOL FATTY ACID POLYESTERS HAVING REDUCED LEVELS OF DIFATTY KETONES AND -g(b)-KETOESTERS. |
| 05/25/1993 | US5214137 Preparation of cellulose diacetate by recycling processed film |
| 05/12/1993 | EP0541511A2 Siloxan-containing derivatives of polysaccharides and their use in making paper |
| 05/05/1993 | EP0540506A2 Organosiloxane-containing polysaccharides |
| 04/15/1993 | WO1993007176A1 Wax-like materials |
| 04/13/1993 | US5202433 For racemic mixtures |
| 04/07/1993 | CN1070648A Process for separation of aqueous phase from cellulose acetate |
| 03/02/1993 | US5191016 Functionalized poly(hydroxyalkanoates) and method of manufacturing same |
| 02/16/1993 | US5187269 Cellulose esters, water and moisture resistance |
| 02/10/1993 | WO1993003063A1 Cellulose acetoacetates |
| 02/10/1993 | CA2106189A1 Cellulose acetoacetates |
| 02/03/1993 | EP0525082A1 Preparation of low molecular weight cellulose esters |
| 01/30/1993 | WO1993003064A1 Process for the separation of the aqueous phase from cellulose acetate |
| 01/30/1993 | CA2091758A1 Process for the separation of the aqueous phase from cellulose acetate |
| 01/27/1993 | CN1068336A Process for producing cellulose acetate |
| 01/26/1993 | US5182379 Acid-curable cellulose esters containing melamine pendent groups |
| 01/20/1993 | EP0309527B1 Process for preparing a powder of water-insoluble polymer which can be redispersed in a liquid phase and process for preparing a dispersion of the powdered polymer |
| 01/13/1993 | EP0522009A1 Process for preparing cellulose esters |
| 12/15/1992 | CA1311471C Nucleophilic material modified for improved biocompatibility |
| 09/15/1992 | US5147929 In presence of 2,3,6-mesitylene-1-sulfonyl-3-nitro-1,2,4-triazolide |
| 09/03/1992 | DE4106623A1 Cellulose acetate microspheres with surface hydroxyl gps. - by dispersing soln. of cellulose acetate in volatile solvent, in aq. medium, then evaporating and hydrolysing with aq. sodium hydroxide soln. |
| 08/25/1992 | US5142034 Reducing degree of substitution of cellulose esters by solvolysis with Lewis acid promoter |
| 08/09/1992 | WO1992013893A1 Preparation of cellulose diacetate by recycling processed film |
| 08/09/1992 | CA2101324A1 Preparation of cellulose diacetate by recycling processed film |
| 06/25/1992 | WO1992010787A1 Conductive coating composition and composite bases and elements containing same |
| 06/25/1992 | WO1992010521A1 Improved cellulose esters and salts thereof |
| 06/16/1992 | US5122598 Total and partial esterification of cellulose, starch and chitin groups with alcohols; inorganic and organic based salts of partial esters; therapeutic substances; creams, sprays, solutions |
| 06/16/1992 | CA1303609C Polysaccharide esters containing acetal and aldehyde groups |
| 05/19/1992 | US5114535 Process for the production of cellulose acetate from wood pulp |
| 05/13/1992 | EP0485158A2 Esters and amides of substituted phenyl acetic acids |
| 05/07/1992 | CA2054987A1 Esters and amides of substituted pyrrole acetic acids |
| 05/07/1992 | CA2054965A1 Esters and amides of substituted phenyl acetic acids |
| 05/07/1992 | CA2054952A1 Esters and amides of substituted indenyl acetic acids |
| 04/14/1992 | US5104543 Liquid chromatography using cellulose triacetate stationary phase and polar solvent mobile phase |
| 04/01/1992 | EP0477347A1 Process for preparing cellulose esters by use of carboxylic acids. |
| 03/12/1992 | WO1992004361A1 IMPROVED PROCESS FOR OBTAINING HIGHLY ESTERIFIED POLYOL FATTY ACID POLYESTERS HAVING REDUCED LEVELS OF DIFATTY KETONES AND β-KETOESTERS |
| 03/03/1992 | US5093489 Modified chitin for biocompatible dialysis membranes iv and process for preparation of modified cellulose and modified chitin for use therewith |
| 03/03/1992 | US5093488 Modified chitin for biocompatible dialysis membranes iii and process for preparation of modified cellulose and modified chitin for use therewith |