| Patents for C08B 3 - Preparation of cellulose esters of organic acids (1,677) |
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| 03/03/1992 | US5093486 Modified chitin for biocompatible dialysis membranes ii and process for preparation of modified cellulose and modified chitin for use therewith |
| 02/25/1992 | US5091520 Resolving a racemic mixture using chromatography |
| 02/25/1992 | CA1296332C Surfactants derived from di- or tri-carboxylic hydroxy-acids |
| 02/11/1992 | US5087366 Of acetic and/or propionic and/or butyric acid |
| 11/26/1991 | US5068321 Reaction of polysaccharide with carbonic acid esters in the presence of a base |
| 11/19/1991 | US5066793 For Use In Chromatographic Separations |
| 11/12/1991 | US5064949 Porosity, carriers |
| 10/31/1991 | WO1991016357A1 Cellulose derivatives |
| 10/17/1991 | WO1991016359A1 Cellulose ester compositions and process for the preparation thereof |
| 10/17/1991 | WO1991016358A1 Process for preparing cellulose esters by use of carboxylic acids |
| 10/17/1991 | WO1991016356A1 Preparation of low molecular weight cellulose esters |
| 10/17/1991 | CA2078876A1 Preparation of low molecular weight cellulose esters |
| 10/09/1991 | EP0450504A1 Preparative chromatographic separation for the production of enantiomerically pure hetrazepines |
| 10/09/1991 | EP0449880A1 Cellulose acetate bound photosensitizer for producing singlet oxygen |
| 10/08/1991 | US5055207 Filtration of cellulose ester dope |
| 09/20/1991 | WO1991014709A1 Process for preparing cellulose esters |
| 09/10/1991 | US5047180 Process for making cellulose ester microparticles |
| 09/04/1991 | EP0444335A1 Methods for producing bleached, mercerized and unmercerized cellulose and for producing cellulose triacetate therefrom |
| 08/06/1991 | US5036900 Method for acetylating shredded cellulosic |
| 07/17/1991 | EP0436722A1 Polysaccharide derivatives and separating agent |
| 06/04/1991 | CA1284563C Process for improving dimensional stability and biological resistance of lignocellulosic material |
| 05/14/1991 | US5015387 Method for activating cellulosic membrane, activated cellulosic membrane, method of fixing physiologically active substance on the activated cellulosic membrane and physiologically active substance-fixed membrane |
| 04/02/1991 | US5004791 Glass fiber sizing composition |
| 03/19/1991 | CA1281717C Process for the preparation of an ester from starch and a monocarboxylic acid, and a composition based on the starch thus prepared |
| 03/12/1991 | US4999110 Regenerated cellulose membrane formed by esterification with organic acids for blood compatibility in dialysis |
| 03/06/1991 | EP0415235A2 Process for carefully esterification of a carboxylic acid with an alcohol component |
| 03/05/1991 | US4997935 Ethers, esters |
| 03/05/1991 | US4997599 Forming droplets from dope with water, precipitation in bath, filtration, vacuum evaporation of precipitant; for loading with dyes, drugs, catalysts |
| 02/21/1991 | WO1991002006A1 Polysaccharide derivatives and separating agent |
| 01/22/1991 | US4986921 Cellulose acetate bound photosensitizer for producing singlet oxygen |
| 01/08/1991 | US4983670 Cellulose acetate bound photosensitizer for producing singlet oxygen |
| 01/01/1991 | US4981960 Modified cellulose for biocompatible dialysis membranes IV and process for preparation thereof |
| 01/01/1991 | US4981959 Modified cellulose for biocompatible dialysis membranes II and process for preparation thereof |
| 12/05/1990 | CN1010687B Anisotropy compound of cellulose esters and method of preparing this compound and cellulose esters or cellulose fibres |
| 11/27/1990 | US4973680 Organosiloxane-containing polysaccharides |
| 11/06/1990 | US4968350 Process for preparing a powder of water-insoluble polymer which can be redispersed in a liquid phase, the resulting powder and utilization thereof |
| 10/09/1990 | US4962140 Process for producing cellulosic dialysis membranes having improved biocompatibility and device for carrying out the process |
| 10/04/1990 | CA2013706A1 Decolorized crosslinked products and method for decolorization of crosslinked products |
| 09/12/1990 | CN1009555B Method for improring moisture permeability of polyvinyl chloride products |
| 09/05/1990 | EP0385396A1 Organosiloxane-containing polysaccharides |
| 08/16/1990 | EP0382208A2 Fluorine-containing cellulose derivative |
| 08/08/1990 | CN1009094B Prodn. of sodium carboxy methylcellulose |
| 07/04/1990 | EP0376069A2 Biocompatible dialysis membrane consisting of a mixed polysaccharide ester |
| 06/28/1990 | WO1990006955A1 Cellulose acetate bound photosensitizer for producing singlet oxygen |
| 05/09/1990 | EP0367002A1 Carbonic-acid esters of polysaccharides and process for their preparation |
| 05/08/1990 | CA1268760A1 Method for producing cellulose triacetate from mercerized or unmercerized bleached cellulose produced from dissociated lignocellulosic material |
| 04/18/1990 | EP0363549A1 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 |
| 03/21/1990 | EP0359458A1 Production of cellulose acetate |
| 03/06/1990 | US4906579 New catalytically oxidized polyglucosic units and methods of making same leading to aldehyde groups on the C-6 position of polyglucosic product and new products therefrom |
| 03/06/1990 | CA1266467A1 Procedure for precipitating cellulose carbamate |
| 02/14/1990 | CN1039598A Method of producing destructurized amylum |
| 02/07/1990 | CN1039426A Treating cellulosic sheet material |
| 02/06/1990 | CA1265413A1 Process of making gelled cellulose triacetate product |
| 01/17/1990 | EP0351226A2 Treating cellulosic sheet material |
| 12/19/1989 | US4888420 Water soluble cellulose acetate microspheres |
| 11/23/1989 | EP0342557A1 New polysaccharide esters |
| 11/16/1989 | WO1989010941A1 Cross-linked carboxy polysaccharides |
| 11/16/1989 | WO1989010940A1 New polysaccharide esters |
| 11/15/1989 | EP0341745A1 Crosslinked carboxy polysaccharides |
| 11/02/1989 | EP0339502A2 Process for modifying cellulosic membrances for the improvement of their biocompatibility, and apparatus for carrying out the process |
| 11/02/1989 | EP0339200A1 Modified cellulose for biocompatible dialysis membranes II, and method for its preparation |
| 09/08/1989 | WO1989008119A1 High molecular weight prodrug derivatives of anti-inflammatory drugs |
| 09/07/1989 | DE3901947A1 Modified cellulose for biocompatible dialysis membranes II and process for production thereof |
| 09/06/1989 | EP0331471A1 High molecular weight prodrug derivatives of antiinflammatory drugs |
| 08/30/1989 | EP0330134A1 Modified cellulose for biocompatible dialysis membranes IV, and method for its preparation |
| 08/30/1989 | EP0330106A1 Modified cellulose for biocompatible dialysis membranes II, and method for its preparation |
| 08/02/1989 | EP0326517A1 Method of producing destructurized starch |
| 07/11/1989 | US4846968 Cellulose triacetate and carrier; chromatographic elution |
| 05/17/1989 | EP0316270A2 Finely divided cellulosic esters of aromatic or aromatic-aliphatic carboxylic acids, process for their preparation and their use |
| 04/05/1989 | EP0309527A1 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. |
| 04/04/1989 | US4818394 Separating agent |
| 03/14/1989 | US4812495 Anaerobic adhesive compositions |
| 02/14/1989 | US4804384 Acetylation of lignocellulosic materials |
| 01/31/1989 | US4801699 Polysaccharide esters containing acetal and aldehyde groups |
| 01/10/1989 | US4797481 Detergents, cosmetics |
| 01/10/1989 | CA1248522A1 Carboxylated cellulose ester and manufacture thereof |
| 12/06/1988 | US4789006 Cellulose aminomethanate sausage casings |
| 11/22/1988 | US4786416 Cellulose triacetate |
| 11/02/1988 | CN88101790A New method for producing sodium carboxymethylcellulose |
| 10/20/1988 | WO1988008011A1 Process for preparing a powder of water-insoluble polymer which can be redispersed in a liquid phase, the resulting powder and utilization therof |
| 10/11/1988 | US4777249 Crosslinked cellulose aminomethanate |
| 09/28/1988 | EP0283846A1 Crosslinked cellulose aminomethanate |
| 09/27/1988 | US4773935 Moisture sensor containing cellulose acetate butyrate |
| 09/21/1988 | EP0282881A1 Cellulose aminomethanate sausage casings |
| 07/12/1988 | CA1239237A1 Radiation-curable cellulose coating |
| 06/29/1988 | CN86108562A Preparation technology of cyanoethyl cellulose |
| 06/07/1988 | US4749800 Polysaccharide esters containing acetal and aldehyde groups |
| 05/11/1988 | EP0266795A2 Improved regenerated cellulose membrane and process for preparation thereof |
| 05/03/1988 | CA1236095A1 Cyclic process for producing alkali solution of cellulose carbamate, precipitating the carbamate and recovering the chemicals |
| 05/03/1988 | CA1236094A1 Cyclic process for producing alkali solution of cellulose carbamate, precipitating the carbamate and recovering the chemicals |
| 03/09/1988 | EP0258814A2 Surfactants coming from bi- or tri-carboxylic hydroxyacids |
| 01/19/1988 | US4720544 Process for the preparation of an ester from starch and a monocarboxylic acid, and a composition based on the starch ester thus prepared |
| 11/19/1987 | DE3714784A1 Verfahren zum konzentrieren von alkoholwasserloesungen mittels pervaporation A method of focusing of soft water by pervaporation loesungen |
| 09/29/1987 | US4697007 Preparation of microcrystalline triacetylcellulose |
| 08/19/1987 | CN86108735A Method for improving moisture permeability of polyvinyl chloride prods. |
| 06/16/1987 | EP0225317A1 Carboxylated cellulose ester and manufacture thereof |
| 05/06/1987 | CN85108974A Anisotropy compound of cellulose esters and method of preparing this compound and cellulose esters or cellulose fibres |
| 03/11/1987 | EP0213252A1 A process for improving dimensional stability and biological resistance of lignocellulosic material |
| 02/17/1987 | US4643856 Mixing with a miscible liquid solvent and gelling agent, cooling then evaporation |
| 01/27/1987 | US4639515 Recovery and reuse of chemicals |