Societe Atochem

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
C07C ACYCLIC OR CARBOCYCLIC COMPOUNDS 5133
 
 
 
B41M PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING 148
 
 
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115
 
 
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5731481 Process for the manufacture of 1,1,1,2-TetrafluoroethaneDec 24, 96Mar 24, 98[C07C]
5569793 Process for the production of 1,1,1-chlorodifluoroethaneJun 07, 95Oct 29, 96[C07C]
5399796 Purification of 1,1-dichloro-1-fluoroethaneNov 29, 93Mar 21, 95[C07C]
5315045 Manufacture of fluoroethylenes and chlorofluoroethylenesNov 06, 91May 24, 94[C07C]
5242976 Composition for improving adhesion of vinylidene polyfluoride and non-compatible polymeric resinsFeb 21, 91Sep 07, 93[C08L]
5239119 Catalytic synthesis of azines from H.sub.2 O.sub.2 /NH.sub.3 /carbonyl compoundsNov 25, 91Aug 24, 93[C07C]
5188748 Azeotropic mixtures of dimethyl ether and of 1,1,1,2-tetrafluoroethane and their useFeb 20, 91Feb 23, 93[C09K]
5173477 Polyphenylmethane heat-sensitive recording mediaDec 19, 91Dec 22, 92[B41M]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5477898 Method and apparatus for filling drums with immiscible liquids such as white phosphorus and waterExpiredNov 29, 94Dec 26, 95[B67C, B67D]
5458800 Use of (perfluoroalkyl) ethylenes as cleaning or drying agents, and compositions which can be used for this purposeExpiredNov 24, 93Oct 17, 95[C09K, C11D]
5354928 Process for the manufacture of 1,1,1,2-tetrafluorochloroethane and of pentafluoroethaneExpiredMay 24, 93Oct 11, 94[C07C]
5338402 Process for preparing a bleached chemithermomechanical pulpExpiredOct 06, 92Aug 16, 94[D21B, D21C]
5308528 Cleaning composition based on 1,1-dichloro-1-fluoroethane and methyl formateExpiredFeb 07, 91May 03, 94[C23G, C11D, H05K]
5302212 Use of (perfluoroalkyl)ethylenes as cleaning or drying agents, and compositions which can be used for this purposeExpiredFeb 20, 91Apr 12, 94[C23G, C11D, H05K]
5213140 Method and apparatus for filling drums with immiscible liquids such as white phosphorus and waterExpiredNov 22, 91May 25, 93[B67C, B67D]
5202509 Catalysts for liquid phase fluorinationExpiredMay 20, 92Apr 13, 93[C07C]
5171640 Multilayer polymer materials with barrier propertiesExpiredNov 26, 90Dec 15, 92[B32B]
5169978 Naphthyloxybenzoic and naphthloxynaphthoic acid compoundsExpiredDec 16, 91Dec 08, 92[C07C]
5157174 Ternary molybdenum chalcogenide oxychlorination catalystsExpiredOct 02, 91Oct 20, 92[C07C]
5152913 Cleaning composition based on 1,1-dichloro-1-fluoroethane, methyl formate and methanolExpiredFeb 07, 91Oct 06, 92[C23G, C11D]
5124495 Selective hydrogenolysis of perhalogenated ethane derivativesExpiredDec 14, 90Jun 23, 92[C07C]
5107021 Polyfluoroalkyl nitrogen compounds, processes for their preparation and their useExpiredApr 12, 91Apr 21, 92[C07C]
5102563 Cleaning composition based on 1,1,1,2,2-pentafluoro-3,3-dichloropropane and methyl tert-butyl etherExpiredMay 10, 91Apr 07, 92[B08B, C23G, C11D]
5082911 Hardenable, fluorinated copolymer, process for its manufacture and its application in varnishes and paintsExpiredApr 20, 90Jan 21, 92[C08F]
5080823 Azeotropic mixture with 1,1,1-trifluoroethane and propane a low boiling point and its applicatons as a refrigerant fluid, as an aerosol propellant, or as a blowing agent for plastic foamsExpiredApr 02, 91Jan 14, 92[C08J, C09K, C11D]
5079320 Cross-linkable fluorinated copolymer, process for its manufacture and its application in protective coatingsExpiredNov 09, 90Jan 07, 92[C08F]
5066672 Polyfluoroalkyl acetates, thioacetates and acetamides, and their applicationsExpiredDec 27, 89Nov 19, 91[A01N, C07C]
5057633 Synthesis of perfluoroalkyl bromidesExpiredNov 21, 90Oct 15, 91[C07C]

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