Rhone-Poulenc Industries

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01J CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS, COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS 1108
 
  
 
C01F COMPOUNDS OF THE METALS BERYLLIUM, MAGNESIUM, ALUMINIUM, CALCIUM, STRONTIUM, BARIUM, RADIUM, THORIUM, OR OF THE RARE-EARTH METALS 120
 
  
 
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
5244648 Process for the preparation of alumina agglomeratesApr 02, 92Sep 14, 93[B01J, C01F]
RE31812 Catalytic hydroformylation of olefinsJun 29, 82Jan 22, 85[C07C]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5021350 Process for inclusion of mycorrhizae and actinorhizae in a matrixExpiredJun 08, 89Jun 04, 91[C12N]
4997978 Preparation of alkyl carboxylates by hydrocarbonylationExpiredOct 24, 88Mar 05, 91[C07C]
4970030 Process for contacting substances which occur in different phasesExpiredJul 24, 89Nov 13, 90[B01F]
4942697 Rare earth polishing compositionsExpiredJun 25, 87Jul 24, 90[B24D]
4937058 Catalytic oxidation of sulfur compoundsExpiredFeb 15, 89Jun 26, 90[C01B, B01D]
4927609 Recovery of gallium/rare earth values from oxide mixtures thereofExpiredSep 05, 85May 22, 90[C01F]
4748166 RTV storage stable, water-free organopolysiloxanesExpiredMay 28, 86May 31, 88[C08L]
4724129 Method of recovering gallium from very basic solutions by liquid/liquid extractionExpiredDec 03, 86Feb 09, 88[C22B]
4704425 Novel precipitated silica particulatesExpiredNov 20, 84Nov 03, 87[C08K]
4671949 Novel anhydrous sodium tripolyphosphateExpiredDec 27, 85Jun 09, 87[C01B]
4671947 Novel sodium orthophosphateExpiredDec 27, 85Jun 09, 87[C01B]
4629815 Isomerization/rearrangement of polychlorobenzenesExpiredJun 23, 81Dec 16, 86[C07C]
4622393 3-vinyl-cephalosporins and their preparationsExpiredMay 14, 84Nov 11, 86[C07D]
4622425 Process for the preparation of aqueous solutions of low molecular weight polyacrylic acids or their saltsExpiredDec 15, 82Nov 11, 86[C08F]
4618460 Process for the preparation of acetic anhydrideExpiredMar 07, 84Oct 21, 86[C07C]
4612292 Lead/alkaline earth metal silicates and vitrescible compositions comprised thereofExpiredJan 10, 83Sep 16, 86[C03C]
4609504 Process for the preparation of acetic anhydrideExpiredDec 17, 81Sep 02, 86[C07C]
4544698 Polymer coating composition and its use in the manufacture of layered packagingExpiredApr 09, 81Oct 01, 85[C08L]
4529410 Rare earth polishing compositionsExpiredDec 22, 80Jul 16, 85[B24D]
4523959 Purification of sugarcane juiceExpiredSep 27, 83Jun 18, 85[C13D]

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