| Patents for C08B 5 - Preparation of cellulose esters of inorganic acids (387) |
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| 03/03/2004 | CN2605258Y Prenitrating device for refined cotton |
| 02/26/2004 | WO2003018072A3 Superabsorbent polymer |
| 11/27/2003 | US20030220492 Cellulose ethers and cellulose esters, by a chemical reaction of ground, virtually pulverulent or short-fiber cellulose with predominantly liquid reaction partners in more or less solids-rich suspensions |
| 11/19/2003 | CN1456575A Continuous procedure for polysaccharide preparation and/or treatment |
| 11/12/2003 | EP1361230A2 Continuous process for making and /or treating polysaccharide derivatives |
| 10/16/2003 | WO2003084900A1 Method for production of nitrocellulose base for consolidated charges and consolidated propellant charge based thereon |
| 10/16/2003 | US20030192632 Nitrating fine-fiber cellulose stuff; purifying, drying, grinding |
| 09/10/2003 | EP1342731A1 Cosmetic composition, especially nail enamel, comprising a modified nitrocellulose |
| 08/27/2003 | EP1183276B1 Method for producing compacted free-flowing raw materials for varnish |
| 08/20/2003 | CN1436793A Continuous nitrocotton dewatering process and apparatus |
| 08/05/2003 | US6602994 Substituents that provide electrostatic (anionic charge) and/or steric functionality; forms gel in water; cellulose; used in paper and food compositions, non-comestible spreadable compositions, emulsions, dispersion, and foams |
| 07/31/2003 | WO2003062438A1 Method of drying biodegradable polymers |
| 07/31/2003 | CA2473521A1 Method of drying biodegradable polymers |
| 07/23/2003 | CN1431225A Sulfating cellulose and its preparing method as well as application in preparing anti coagulant |
| 06/17/2003 | US6579977 Biosorbents and process for producing the same |
| 03/20/2003 | US20030055211 Anionic polyelectrolyte; may be mixed with other water soluble anionic polyelectrolyte, especially sodium alginate, to form admixtures or blends from which films, fibers, powders, gels sponges can be prepared |
| 03/06/2003 | WO2003018072A2 Superabsorbent polymer |
| 03/06/2003 | US20030045707 Superabsorbent biopolymer for use in cosmetics, toiletries and infant diapers |
| 03/06/2003 | CA2457792A1 Superabsorbent polymer |
| 02/06/2003 | US20030027789 Inhibitors against sodium ion absorption, and preventive or therapeutic agents and foods containing the same |
| 02/05/2003 | CN1395638A Superabsorbent cellulosic fiber |
| 12/31/2002 | US6500947 Superabsorbent polymer |
| 12/26/2002 | US20020197629 Isolation of preferential nucleotide sequences; obtain nucleotide sequence sample, applying mixture to separation column, remove targeted nucleotide sequences |
| 12/11/2002 | EP1264040A2 Superabsorbent cellulosic fiber |
| 10/23/2002 | EP1250359A1 Chitosan condensation products, their preparation and their uses |
| 10/16/2002 | EP1249240A1 Inhibitors against sodium ion absorption, and preventive or therapeutic agents and foods containing the same |
| 09/25/2002 | CN1370602A Steam sterilization utilizing water-free hydrogen peroxide source |
| 08/21/2002 | CN1089251C Vapor sterilization using a non-aqueous source of hydrogen peroxide |
| 07/31/2002 | CN1088462C Method for the preparation of high-water absorbing and salt-absorbing solution material and produced cellulose products |
| 07/16/2002 | US6419824 Apparatus and method for separating and purifying polynucleotides |
| 07/09/2002 | US6417345 Method for producing acetylated pyroxylin |
| 07/09/2002 | US6417339 Core, spacers |
| 03/28/2002 | WO2001052911A3 Superabsorbent cellulosic fiber |
| 03/27/2002 | CN1342168A Method for producing compacted free-flowing raw materials for varnish |
| 03/06/2002 | EP1183276A1 Method for producing compacted free-flowing raw materials for varnish |
| 02/28/2002 | US20020023570 Sugar - inorganic substance composite |
| 02/13/2002 | CN1335856A Derivatized microfibrillar polysaccharide |
| 01/02/2002 | EP1165666A1 Method for making a cellulose or starch fatty ester by esterification or transesterification |
| 08/02/2001 | WO2001055220A1 Chitosan condensation products, their preparation and their uses |
| 07/26/2001 | WO2001052911A2 Superabsorbent cellulosic fiber |
| 07/26/2001 | CA2396683A1 Superabsorbent cellulosic fiber |
| 07/24/2001 | US6265168 Apparatus and method for separating and purifying polynucleotides |
| 07/19/2001 | WO2001051063A1 Inhibitors against sodium ion absorption, and preventive or therapeutic agents and foods containing the same |
| 07/19/2001 | CA2396915A1 Sodium ion absorption inhibitors, and preventive and therapeutic agents and foods containing the same |
| 05/31/2001 | WO2001038398A1 Hydrophobically modified polyols |
| 03/21/2001 | EP1084713A1 Preparation of hydrogen peroxide complexes |
| 02/28/2001 | EP1078008A2 Derivatized microfibrillar polysaccharide |
| 01/23/2001 | US6177033 Pressurization |
| 12/07/2000 | WO2000047628A3 Derivatized microfibrillar polysaccharide |
| 09/20/2000 | EP1036109A1 Biosorbents and process for producing the same |
| 09/08/2000 | WO2000052058A1 Method for producing compacted free-flowing raw materials for varnish |
| 09/07/2000 | DE19909230A1 Verfahren zur Herstellung verdichteter rieselfähiger Lackrohstoffe A process for producing compacted free-flowing coating raw materials |
| 09/05/2000 | US6114407 Sulfonated polymers |
| 08/31/2000 | WO2000050493A1 Method for making a cellulose or starch fatty ester by esterification or transesterification |
| 08/17/2000 | WO2000047628A2 Derivatized microfibrillar polysaccharide |
| 05/23/2000 | US6066286 Exposing sulfur dioxide and oxygen to ultraviolet free radical producing energy and contacting the polymer with this product in a reduced pressure environment. |
| 05/11/2000 | DE19948609A1 Manufacture of acetylated nitrocellulose, involves dehydrating moist nitrocellulose using a solvent that does not dissolve nitrocellulose followed by reacting with acetylating agent |
| 05/04/2000 | DE19850286A1 Production of cellulosic biosorbents, used for removing heavy metals from aqueous solution |
| 03/09/2000 | WO2000012790A1 New regenerated cellulose fiber and process of preparing the same |
| 02/22/2000 | US6027536 Method for the preparation of a material with high water and salt solutions absorbency |
| 01/12/2000 | CN1240793A Process for regenerating nitrocotton with retired single-base propellent |
| 07/08/1999 | DE19753196A1 Production of cellulosic biosorbents, used for removing heavy metals from aqueous solution |
| 06/10/1999 | WO1999028372A1 Biosorbents and process for producing the same |
| 06/10/1999 | CA2312791A1 Biosorbents and process for producing the same |
| 04/07/1999 | EP0906325A1 Dendrimers based on saccharides |
| 03/17/1999 | CN1211257A Method for the preparation of a material with a high water and salt solutions absorbency |
| 03/02/1999 | US5876666 Release from nonaqueous hydrogen peroxide complex, medical instruments |
| 12/16/1998 | CN1202187A Sulfonated polymers and method of sulfonating polymers |
| 12/02/1998 | EP0880545A1 Method for the preparation of a material with a high water and salt solutions absorbency |
| 10/07/1998 | EP0791002A4 Anionic polymer |
| 08/25/1998 | US5798078 Sulfonated polymers and method of sulfonating polymers |
| 07/15/1998 | EP0852598A1 Sulfonated polymers and method of sulfonating polymers |
| 06/23/1998 | US5770739 Non-aqueous hydrogen peroxide complex |
| 01/08/1998 | DE19624705A1 Dendrimere auf Saccharid-Basis Saccharide-based dendrimers |
| 12/24/1997 | WO1997048711A1 Dendrimers based on saccharides |
| 12/10/1997 | EP0750638A4 Chemical modification of shaped hydrogels in non-aqueous medium |
| 10/07/1997 | US5674450 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
| 08/27/1997 | EP0791002A1 Anionic polymer |
| 08/21/1997 | WO1997030090A1 Method for the preparation of a material with a high water and salt solutions absorbency |
| 04/03/1997 | WO1997011989A1 Sulfonated polymers and method of sulfonating polymers |
| 01/02/1997 | EP0750638A1 Chemical modification of shaped hydrogels in non-aqueous medium |
| 11/12/1996 | US5573589 Use of dextran sulfate, starch sulfate, natural gum sulfate, curdlan sulfate or a cellulose sulfate to maintain desired fluidity of composition |
| 06/25/1996 | US5530111 Chemical modification of shaped hydrogels in non-aqueous medium |
| 05/23/1996 | WO1996015137A1 Anionic polymer |
| 05/23/1996 | CA2204889A1 Anionic polymer |
| 05/09/1996 | DE4435180C1 Simple prepn. of very uniform, partly substd., soluble cellulose sulphate |
| 04/18/1996 | DE4435082C1 Controlled prodn. of cellulose acetate-phosphate or -sulphate mixed ester(s) |
| 03/07/1996 | WO1996006864A1 Chemical modification of shaped hydrogels in non-aqueous medium |
| 03/07/1996 | CA2185140A1 Chemical modification of shaped hydrogels in non-aqueous medium |
| 01/16/1996 | US5484903 Process for the production of polysaccharide carbonates |
| 01/16/1996 | US5484826 Free-flowing, quick-dissolving lacquer binder granules |
| 11/29/1995 | CN1112446A Vapor sterilization using a non-aqueous source of hydrogen peroxide |
| 11/02/1995 | EP0679407A2 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
| 10/29/1995 | CA2578119A1 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
| 10/29/1995 | CA2578114A1 Vapor sterilization using a non-aqueous source of hydrogen peroxide |
| 01/03/1995 | US5378828 Process for preparing soluble alkali metal salts of cellulose sulfate using chlorosulfuric acid and pyridine |
| 01/03/1995 | US5378826 Process for the preparation of a storage stable low esterified nitrocellulose moistened with alcohol or water |
| 09/15/1994 | DE4407499A1 Fluidiser for cement mixtures |
| 08/02/1994 | US5334741 Contacting surface of substrate with phosphoramidate solution, heating to thermolyse and generate metaphosphate which phosphorylates substrate |
| 02/09/1994 | EP0582142A1 Process for producing a storage-stable, low esterified, nitrocellulose moistened with alcohol or water |