DOW WOLFF CELLULOSICS GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A61K PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES 1254
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B02C CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN 134
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8973853 Process for dry-grinding a polysaccharide derivativeJul 28, 10Mar 10, 15[C08J, B02C, C08L]
8722092 Nanoparticles made of amorphous celluloseAug 08, 08May 13, 14[A61K]
8338494 Nanoparticles from slightly oxidised celluloseAug 08, 08Dec 25, 12[C08B, B01F]
6885633 Network node and a systemApr 10, 00Apr 26, 05[G01R]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2007/0221,098 METHYL STARCH ETHERS IN MINERAL BUILDING MATERIALSAbandonedMar 22, 07Sep 27, 07[C08B]
2006/0169,432 Method of preparing modified cellulose pulpAbandonedSep 20, 05Aug 03, 06[D21H]
2006/0128,952 Process for the recovery of hemicelluloses from lignocellulosic materialAbandonedDec 13, 05Jun 15, 06[C08B]
2005/0282,939 Storage-stable particle composition of polysaccharides and/or polysaccharide derivatives and at least one synthetic polymer, a process for production thereof and use thereof in construction material mixturesAbandonedNov 04, 04Dec 22, 05[C08K]
6939961 Method for the production of low-viscous water soluble cellulose ethersExpiredNov 15, 99Sep 06, 05[0000]
2004/0225,035 Cellulose ether blends of increased bulk density, their use in construction material systems, and a process for producing cellulose ether blends of increased bulk densityAbandonedJan 30, 04Nov 11, 04[C08L]
6407151 Aqueous coating agent and its use in lacquersExpiredJul 26, 00Jun 18, 02[C08L]
6362330 Polysaccharide-based thermoplastic material, process for preparing the same and method of use thereofExpiredNov 01, 99Mar 26, 02[C07H, C08G, C08B, B32B]
6274653 Bonding agent preparations for paints, the production and use thereofExpiredSep 07, 99Aug 14, 01[C08L]
6146858 Method for producing cellulose derivativesExpiredFeb 14, 00Nov 14, 00[C12P, C12N, C08B, D06M]
5466794 Thermoplastic cellulose ether ester graft copolymers and process for their productionExpiredMay 17, 94Nov 14, 95[C08F, C08B, C08L, D01F]
5062889 Process for the preparation of hydrocolloid mixtures having improved dispersibilityExpiredJun 29, 90Nov 05, 91[C09D]
5001232 Carboxymethylsulphoethyl celluloses and a process for their preparationExpiredDec 09, 88Mar 19, 91[C08B]
4990609 Sulfoethyl cellulose of high solution quality and a process for its productionExpiredDec 09, 88Feb 05, 91[C07H, C08B]

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