| Patents for C08B 11 - Preparation of cellulose ethers (2,701) |
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| 03/17/1981 | US4256877 Method of manufacturing cellulose derivative |
| 03/03/1981 | US4254258 Process for the preparation of cellulose ether derivatives |
| 02/11/1981 | EP0023561A1 Polycarboxyalkyl-cellulose having high fluid absorbing and retaining properties, and process for preparing same |
| 02/10/1981 | US4250306 Process and equipment for preparing swellable cross-linked carboxyalkylcelluloses from natural cellulose or cellulose hydrate and use thereof |
| 02/10/1981 | US4250305 Etherifying a cellulose using aqueous alkali hydroxide, an organic solvent, and a quaternary ammonium or phosphonium salt; uniform distribution |
| 02/04/1981 | EP0023292A1 Process for preparing cellulose derivatives with highly reactive alkali cellulose |
| 02/03/1981 | US4248595 Process for preparing swellable cross-linked carboxyalkylcelluloses, in the form of fibers, from cellulose hydrate and use thereof |
| 02/03/1981 | CA1095029A1 Dihydroxypropyl cellulose |
| 01/28/1981 | EP0022923A1 Continuous process and apparatus for preparing water-soluble hydroxyalkyl cellulose or their mixed ethers |
| 01/27/1981 | US4247688 Composition and process for making precipitated hydroxyethylcellulose |
| 01/13/1981 | US4245064 Activated solid carrier and a method of its preparation |
| 01/06/1981 | USRE30472 Detergent composition with antisoil and antiredeposition properties |
| 01/06/1981 | US4243802 Surfactant-soluble cellulose derivatives |
| 12/23/1980 | CA1092287A1 Method for the preparation of polymers which contain free or salified aminic groups and quaternary ammonium groups and products obtained thereby |
| 12/23/1980 | CA1092083A1 Ionically modified cellulose materials |
| 11/26/1980 | EP0019403A2 Hydroxyalkyl-starch drug carrier |
| 11/13/1980 | WO1980002374A1 Hydroxyalkyl starch drug carrier |
| 11/12/1980 | EP0018547A1 Process for the reduction of the viscosity of water-soluble, non-ionic cellulose ethers by ozone, and its application |
| 10/29/1980 | EP0017799A1 Process for the production of cold water-soluble cellulose ethers for washing and cleaning compositions |
| 10/21/1980 | US4229572 Purification of cellulose ether reaction product |
| 10/14/1980 | US4228277 Modified nonionic cellulose ethers |
| 10/07/1980 | CA1087177A1 Process for the synthesis of hydroxyethyl cellulose with improved resistance to enzyme catalyzed hydrolysis |
| 09/23/1980 | CA1086313A1 Process for the preparation of cellulose alkyl ethers |
| 09/09/1980 | CA1085388A1 Cationically modified cellulose-containing materials and their use for the purification of industrial effluent |
| 09/02/1980 | CA1084912A1 Cellulose ethers and detergent compositions containing same |
| 08/19/1980 | CA1084048A1 Process for the preparation of high d.s. polysaccharides |
| 08/12/1980 | CA1083567A1 Adenine derivatives |
| 07/29/1980 | US4214376 Process and apparatus for the continuous drying and/or granulating of loose material |
| 04/29/1980 | US4200737 Hydrolysis of sodium cmc, crosslinking |
| 04/29/1980 | US4200735 Functional group comprising an iminodicarboxylic acid derivative |
| 04/15/1980 | CA1075403A1 Solvent system for polysaccharides |
| 03/25/1980 | US4195128 Ligand bound to carrier through pyrimidine derivative |
| 02/05/1980 | CA1071232A1 Process for the preparation of polyhydroxy methylene ethers and ion exchangers composed of the same |
| 01/23/1980 | EP0007159A1 A chloral derivative; method for preparing this derivative and a therapeutic composition containing this derivative |
| 01/22/1980 | CA1070299A1 Stabilized solid form choline salicylate compositions |
| 01/08/1980 | US4182804 From hydrolyzed ethylene/vinyl acetate copolymer or polyvinyl alcohol |
| 12/11/1979 | US4178438 Purification of industrial wastes |
| 11/27/1979 | CA1067071A1 Method of preparing polysaccharide ethers and apparatus |
| 11/20/1979 | US4175183 Hydroxyalkylated cross-linked regenerated cellulose and method of preparation thereof |
| 10/30/1979 | CA1065312A1 Viscosity reduction of cellulose derivatives |
| 09/11/1979 | CA1062254A1 Process for the production of water-adsorbing cellulose ethers |
| 09/04/1979 | CA1061782A1 Preparation and purification of cellulose ethers |
| 08/22/1979 | EP0003582A2 Process for preparing a stable cellulose ether suspension and the use thereof |
| 08/14/1979 | CA1060439A1 Bioresistant cellulose ethers |
| 07/31/1979 | CA1059505A1 Process for the production of wateradsorbing cellulose ethers |
| 05/15/1979 | US4154676 Ion exchange process using activated regenerated cellulose |
| 03/13/1979 | US4144128 Polymeric carrier bound ligands |
| 01/30/1979 | US4137399 Cellulose dissolved in dimethylsulfoxide and polyhydroxymethylene |
| 01/16/1979 | CA1046511A1 Process for the manufacture of water-adsorbing cellulose ethers |
| 01/09/1979 | US4133929 Ionically modified cellulose materials for removal of heavy metal ions |
| 01/09/1979 | CA1046055A1 Modified ethyl cellulose |
| 12/12/1978 | US4129722 Process for the preparation of high D. S. polysaccharides |
| 11/21/1978 | CA1042878A1 Method for preparing low-substituted cellulose ethers |
| 11/07/1978 | US4124758 Aminated hydroxyalkyl cellulose |
| 09/26/1978 | US4117223 Process for the preparation of cellulose alkyl ethers |
| 09/26/1978 | CA1039273A1 Crosslinked phosphonoalkyl cellulose and absorbent devices incorporating same |
| 09/26/1978 | CA1039272A1 Water soluble cellulose ethers |
| 09/19/1978 | US4115297 Thermally regenerable amphoteric ion exchangers prepared by sequential treatment of polymeric beads with two reagents of opposing acid base character |
| 09/05/1978 | CA1037951A1 Hydroxyalkylamino glycosides and process of preparation |
| 08/22/1978 | US4109080 Containing metal chelatable (azo-phenyl)sulfonyl-ethyl linkages |
| 07/11/1978 | US4100094 Novel cellulose ethers and detergent compositions containing same |
| 06/27/1978 | US4097667 Hydroxyalkyl cellulose ethers |
| 06/27/1978 | US4097666 Dimethyl sulfoxide and formaldehyde |
| 06/20/1978 | US4096326 Water solubility, thermoplastic, complexes with borate and antimonate ions |
| 06/20/1978 | US4096325 Methyl hydroxypropyl cellulose ethers |
| 05/23/1978 | US4091205 Method for preparing low-substituted cellulose ethers |
| 05/23/1978 | US4091203 Adenine derivatives |
| 04/11/1978 | US4084060 Controlled swelling during hydroxyethylation in aqueous caustic |
| 03/14/1978 | US4079041 Containing photosensitive maleimido groups, photocurable |
| 03/07/1978 | US4078140 2,3-Di-(2,3-diiodopropoxy)-propyl cellulose and method of producing the same |
| 02/28/1978 | US4076930 Polysaccharide polyols |
| 02/21/1978 | US4075279 Etherification of regenerated cellulose film chips with halogen fatty acid, crosslinking |
| 01/10/1978 | US4068068 Process for the manufacture of water-absorbing cellulose ethers |
| 01/10/1978 | US4068067 Process for the production of water-adsorbing cellulose ethers |
| 01/03/1978 | US4066828 Alkalization, etherification, crosslinking in liquid medium |
| 12/13/1977 | US4063018 Process for preparing alkali metal salt of carboxymethyl cellulose ether |
| 12/06/1977 | US4061859 Sulfur dioxide |
| 09/27/1977 | US4051040 Antithrombogenic hemo dialysis membranes |
| 09/13/1977 | US4048433 Soil release agents in detergents |
| 09/13/1977 | US4048416 Thiopolymers, their derivatives and methods for their preparation and use |
| 06/28/1977 | US4032293 Preparation of stable strong base cellulosic anion exchangers with red-ox potentials |
| 05/17/1977 | US4024335 Formaldehyde; alkylene oxide catalyst |
| 05/10/1977 | US4022964 Ion exchanger on the basis of cellulose and process for its manufacture |
| 04/26/1977 | US4020271 Sanitary napkins and tampons |
| 04/19/1977 | US4018681 Filtration of cellulosic solutions |
| 04/12/1977 | US4017671 Process for the continuous manufacture of cellulose glycolate |
| 03/29/1977 | US4015067 Method of preparing polysaccharide ethers and apparatus |
| 03/22/1977 | US4013821 Process for preparation of mixed cellulose ethers containing 2,3-dihydroxypropyl ether groups |
| 02/22/1977 | US4009329 Bioresistant cellulose ethers |
| 01/25/1977 | US4005070 Anesthesia |
| 01/04/1977 | US4001210 Process for manufacturing cellulose containing 2,3-dihydroxypropyl ether groups |
| 11/23/1976 | US3993553 Process for cocrosslinking water soluble polymers and products thereof |
| 11/23/1976 | US3993552 Process for cocrosslinking water soluble polymers and products thereof |
| 11/23/1976 | US3993551 Polyethylene oxide; useful as absorbent articles |
| 08/10/1976 | US3974139 Diethylaminohydroxypropyl cellulose I or II and a method for preparing same |
| 08/03/1976 | US3973007 Local anesthetic |
| 06/22/1976 | US3965091 Process for the production of water-adsorbing but water-insoluble cellulose ethers |
| 05/18/1976 | US3957605 Poly(ethylene oxide), hydrophilic gels |
| 02/24/1976 | US3940384 Methyl hydroxypropyl cellulose acetate and process |
| 02/03/1976 | US3936441 Process for the production of water adsorbing but water-insoluble cellulose ethers |