Assignee
ATOCHEM ELF SA
FR·445 granted patents·2 pending applications·6,553 citations·filing 1989–2003
Top patents by PatentIndex Score
447 records- 0196US5601893AFlexible metal pipes with a shrinkable polymer sheath, a process for their fabrication, and their utilization as flexible tubular conduitsATOCHEM ELF SA·Filed 1994·Granted Feb 11, 1997·92 cites·29 claims
- 0294US6743951B2Compositions based on dimethyl disulphide with a masked smellATOCHEM ELF SA·Filed 2002·Granted Jun 1, 2004·26 cites·12 claims
- 0394US5767210AProcess for controlled radical polymerization or copolymerization of (meth)acrylic and vinyl monomers and (co)polymers obtainedATOCHEM ELF SA·Filed 1997·Granted Jun 16, 1998·101 cites·22 claims
- 0493US5919871AStabilization of a polymer by a stable free radicalATOCHEM ELF SA·Filed 1996·Granted Jul 6, 1999·96 cites·52 claims
- 0593US5811500AProcess for the controlled radical (CO) polymerization of (Meth) acrylic vinyl vinylidene and diene monomers in the presence of an Rh Co OR IrATOCHEM ELF SA·Filed 1997·Granted Sep 22, 1998·101 cites·21 claims
- 0692US6239059B1Activator solid support for metallocene catalysts in the polymerization of olefins, a process for preparing such a support, and the corresponding catalytic system and polymerization processATOCHEM ELF SA·Filed 1998·Granted May 29, 2001·79 cites·46 claims
- 0792US5854364AProcess for the controlled radical polymerization or copolymerization of (meth)acrylic, vinyl, vinylidene and diene monomers, and (co)polymers obtainedATOCHEM ELF SA·Filed 1997·Granted Dec 29, 1998·243 cites·20 claims
- 0892US5747605AMixtures of polymers including a halogen-containing polymer and compatibilized with a grafted aliphatic polyesterATOCHEM ELF SA·Filed 1995·Granted May 5, 1998·83 cites·12 claims
- 0991US6639110B2Method for making dimethyl disulphide compositions having a masked smellATOCHEM ELF SA·Filed 2002·Granted Oct 28, 2003·19 cites·9 claims
- 1090US6114482AProcess for the controlled radical polymerization or copolymerization of (meth) acrylic and vinyl monomers and (co) polymers obtainedATOCHEM ELF SA·Filed 1997·Granted Sep 5, 2000·91 cites·23 claims
- 1190US6103790ACellulose microfibril-reinforced polymers and their applicationsATOCHEM ELF SA·Filed 1995·Granted Aug 15, 2000·96 cites·28 claims
- 1289US6020529ASynthesis of organic disulphides and polysulphidesATOCHEM ELF SA·Filed 1999·Granted Feb 1, 2000·37 cites·11 claims
- 1389US5213891ABlock copolyetheramidesATOCHEM ELF SA·Filed 1992·Granted May 25, 1993·48 cites·20 claims
- 1489US5166309ABlock polyetheramidesATOCHEM ELF SA·Filed 1992·Granted Nov 24, 1992·58 cites·15 claims
- 1588US6723779B2Low-temperature film-forming latex based on hydrophobic polymers having a core/shell structure without coalescentsATOCHEM ELF SA·Filed 2002·Granted Apr 20, 2004·31 cites·7 claims
- 1688US5800928ABreathable waterproof filmATOCHEM ELF SA·Filed 1995·Granted Sep 1, 1998·52 cites·9 claims
- 1788US5798415ACationic fluoro copolymers for the oleophobic and hydrophobic treatment of building materialsATOCHEM ELF SA·Filed 1995·Granted Aug 25, 1998·65 cites·6 claims
- 1887US5686534AInitiation system for the anionic polymerisation of (meth)acrylic monomersATOCHEM ELF SA·Filed 1994·Granted Nov 11, 1997·44 cites·19 claims
- 1987US5523500AMass catalysts based on chromium and nickel oxides and their application to the fluorination of halogenated hydrocarbonsATOCHEM ELF SA·Filed 1995·Granted Jun 4, 1996·33 cites·17 claims
- 2087US5422418APolyamides and objects obtained from themATOCHEM ELF SA·Filed 1992·Granted Jun 6, 1995·41 cites·18 claims
- 2185US6353065B1Emulsion polymerization in the presence of a stable free radicalATOCHEM ELF SA·Filed 1999·Granted Mar 5, 2002·60 cites·23 claims
- 2285US6194338B1Bimetal supported catalyst based on platinum or silver, its manufacturing process and its use for electrochemical cellsATOCHEM ELF SA·Filed 1999·Granted Feb 27, 2001·86 cites·19 claims
- 2385US5972514ABase paints comprised of polyamide powders for use in coating PVC structuresATOCHEM ELF SA·Filed 1996·Granted Oct 26, 1999·49 cites·9 claims
- 2485US5917098APreparation of 1,1,1,3,3-pentachlorobutane and 1,1,1,3,3-pentafluorobutaneATOCHEM ELF SA·Filed 1997·Granted Jun 29, 1999·27 cites·24 claims
- 2585US5637407ABlends of thermoplastic and rubber which are adherent to thermoplasticsATOCHEM ELF SA·Filed 1994·Granted Jun 10, 1997·31 cites·5 claims
- 2685US5264527AAcrylic triblock copolymers, their preparation and their application to the manufacture of elastomeric articlesATOCHEM ELF SA·Filed 1990·Granted Nov 23, 1993·50 cites·10 claims
- 2784US5935541AProcess for manufacture of lithium hexafluorophosphateATOCHEM ELF SA·Filed 1998·Granted Aug 10, 1999·48 cites·18 claims
- 2884US5626958ABase paints comprised of polyamide powders for use in coating PVC structuresATOCHEM ELF SA·Filed 1994·Granted May 6, 1997·47 cites·10 claims
- 2984US5419374APolyamide-based tube for a gasoline transportATOCHEM ELF SA·Filed 1993·Granted May 30, 1995·67 cites·5 claims
- 3083US5677387AInitiation system for the anionic polymerization of (meth)acrylic monomersATOCHEM ELF SA·Filed 1995·Granted Oct 14, 1997·40 cites·15 claims
- 3183US5453551APurification of pentafluoroethaneATOCHEM ELF SA·Filed 1994·Granted Sep 26, 1995·20 cites·10 claims
- 3282US6475633B1Coextrusion binder based on a mixture of cografted polyolefinsATOCHEM ELF SA·Filed 2000·Granted Nov 5, 2002·30 cites·18 claims
- 3382US6025532AProcess for the manufacture of hydrofluoroalkanesATOCHEM ELF SA·Filed 1998·Granted Feb 15, 2000·23 cites·29 claims
- 3482US5697491AFood conveyor beltsATOCHEM ELF SA·Filed 1994·Granted Dec 16, 1997·35 cites·11 claims
- 3582US5268516ASynthesis of perfluoroalkyl iodidesATOCHEM ELF SA·Filed 1993·Granted Dec 7, 1993·24 cites·11 claims
- 3681US5872183APolyol-based plasticized composition which has a controlled viscosityATOCHEM ELF SA·Filed 1996·Granted Feb 16, 1999·41 cites·16 claims
- 3781US5734075AProcess for recovery of the light noble products present in the distillation residues from the processes for the manufacture of acrylic acid and of its estersATOCHEM ELF SA·Filed 1995·Granted Mar 31, 1998·32 cites·9 claims
- 3881US5383964AProcess for the oxidation of cationic starches and amphoteric starches, containing carboxyl and cationic groups, thus obtainedATOCHEM ELF SA·Filed 1993·Granted Jan 24, 1995·32 cites·19 claims
- 3980US5886112AProcess for the continuous anionic polymerization of at least one (meth)acrylic monomer in order to produce polymers with a high solids contentATOCHEM ELF SA·Filed 1996·Granted Mar 23, 1999·61 cites·20 claims
- 4080US5457172A(Meth)acrylic compounds, process for their preparation and their application to the synthesis of new polymersATOCHEM ELF SA·Filed 1993·Granted Oct 10, 1995·22 cites·46 claims
- 4180US5268121ACompositions based on 1,1,1,3,3-pentafluorobutane and methanol for the cleaning and/or drying of solid surfacesATOCHEM ELF SA·Filed 1992·Granted Dec 7, 1993·39 cites·11 claims
- 4279US5563218ASuperabsorbent polymersATOCHEM ELF SA·Filed 1994·Granted Oct 8, 1996·37 cites·7 claims
- 4379US5488190APrepartion of vinyl chloride by ultrapyrolysis of 1,2-dichloroethaneATOCHEM ELF SA·Filed 1993·Granted Jan 30, 1996·18 cites·15 claims
- 4479US5373066ASuperabsorbent acrylic powders having low residual monomer contentATOCHEM ELF SA·Filed 1993·Granted Dec 13, 1994·31 cites·11 claims
- 4579US5310860AProcess for the preparation of polyamides with oligomer formationATOCHEM ELF SA·Filed 1992·Granted May 10, 1994·27 cites·19 claims
- 4679US5252309AAzine synthesis in the absence of CO2ATOCHEM ELF SA·Filed 1992·Granted Oct 12, 1993·17 cites·15 claims
- 4778US6120619APassivation of stainless steels in organosulphonic acid mediumATOCHEM ELF SA·Filed 1999·Granted Sep 19, 2000·48 cites·23 claims
- 4878US5976696AShell/core particulates of superabsorbent polymersATOCHEM ELF SA·Filed 1997·Granted Nov 2, 1999·37 cites·18 claims
- 4978US5665855APolymers and copolymers originating from the addition of oligomers containing diamino and dihydroxy ends and of bisoxazinones or bioxazolinones, and process for obtaining themATOCHEM ELF SA·Filed 1993·Granted Sep 9, 1997·29 cites·14 claims
- 5077US6875499B1Light diffusing compositesATOCHEM ELF SA·Filed 2000·Granted Apr 5, 2005·25 cites·17 claims
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