DSM FINE CHEMICALS AUSTRIA GMBH

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 1137

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6090975 Process for the preparation of 2-acetylcarboxylic estersDec 29, 98Jul 18, 00[C07C]
6031123 Process for stabilizing cyanohydrinsMay 13, 99Feb 29, 00[C07L]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2003/0031,818 Halogen-free intumescent sheath for wires and optical cablesAbandonedFeb 02, 00Feb 13, 03[B32B]
6395903 Process for the preparation of 2,3-pyridinedicarboxylic acidsExpiredMay 10, 00May 28, 02[C07D]
6319697 (S)-hydroxynitrile lyases with improved substrate acceptance and their useExpiredJul 01, 99Nov 20, 01[C12P]
6225095 Enzymatic process for the preparation of (S)-cyanohydrinsExpiredDec 29, 98May 01, 01[C12P, C12N]
6222063 Process for transesterifying .alpha.-Ketocarboxylic estersExpiredAug 06, 99Apr 24, 01[C07C]
6031040 Intumescent sealing and cover profilesExpiredMay 21, 98Feb 29, 00[C09K, C08J, C08L, C08K]
5993609 Process for the purification of phosphorus oxychlorideExpiredSep 02, 98Nov 30, 99[C01B, B01D]
5952206 Process for preparing L-aspartic acidExpiredDec 29, 98Sep 14, 99[C12P]
5939580 Process for preparing glyoxylic esters and their hydratesExpiredNov 21, 97Aug 17, 99[C07C]
5929251 Process for the preparation of carboxylic acid succinimidyl estersExpiredDec 30, 97Jul 27, 99[C07D]
5902737 Process for the preparation of disodium benzyloxycarbonyl-L-aspartate from fumaric acidExpiredSep 19, 97May 11, 99[C12P, .13/]

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