Rhone-Poulenc S.A.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 1133
 
  
 
C07D HETEROCYCLIC COMPOUNDS 1161

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5453521 Process for obtaining 10-deacetylbaccatin IIISep 17, 93Sep 26, 95[C07D]
RE30632 Separation apparatusJul 11, 78Jun 02, 81[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
6124465 Farnesyl transferase inhibitors, their preparation, the pharmaceutical compositions which contain them and their use in the preparation of medicamentsExpiredJul 02, 99Sep 26, 00[C07F, C07D]
5030404 Water-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articlesExpiredJan 03, 90Jul 09, 91[D01F]
4886664 Low-water-activity inocula for biological controlExpiredJun 08, 83Dec 12, 89[A61K, C12N]
4871410 Method of extruding and blow molding of gas-impermeable composite articles having water-resistant polyvinyl alcohol film layerExpiredOct 30, 87Oct 03, 89[B29C]
4796197 Automated apparatus for carrying out biological, biochemical or physicochemical determinationsExpiredApr 24, 86Jan 03, 89[G01N]
4755468 Inocula of low water activity with improved resistance to temperature and rehydration, and preparation thereofExpiredSep 19, 85Jul 05, 88[C05F, C12N, A01C]
4731266 Water-resistant polyvinyl alcohol film and its application to the preparation of gas-impermeable composite articlesExpiredJul 03, 85Mar 15, 88[B29C, B32B]
4687580 Membrane apparatus/process adapted for plasmapheresisExpiredJan 10, 83Aug 18, 87[B01D]
4655742 Process/apparatus for the withdrawal/return of body fluidsExpiredJul 16, 84Apr 07, 87[A61M]
4648866 Process/apparatus for the withdrawal/return of body fluidsExpiredJul 09, 84Mar 10, 87[A61M]
4499058 Liquid/liquid extraction of acidic aqueous streams comprising sulfate/titanium/iron valuesExpiredMar 16, 83Feb 12, 85[C01B, C01G, B01D]
4474983 Process for preparing compounds having a 1,5-dimethyl-hexa-1,5-dienylene group by desulphonylation of a corresponding sulphoneExpiredFeb 04, 82Oct 02, 84[C07C]
4471677 Device for producing cylindrical cavities in a layer of gelled materialExpiredFeb 08, 83Sep 18, 84[B26F]
4433171 Sulphones having a 1,5-dimethyl-hexa-1,5-dienylene groupExpiredFeb 04, 82Feb 21, 84[C07C]
4331814 Sulphones having a 1,5-dimethyl-hexa-1,5-dienylene groupExpiredFeb 01, 73May 25, 82[C07C]
4284625 Naphthacene pharmaceutical compositions and method of useExpiredJan 27, 76Aug 18, 81[A61K, C07H]
4219667 Sulphones with an alcohol group and their estersExpiredDec 05, 73Aug 26, 80[C07C]
4182873 Process for the preparation of thiazolesulphenamidesExpiredJun 02, 75Jan 08, 80[C07D]

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