Assignee
DEGUSSA
DE·2,251 granted patents·282 pending applications·45,465 citations·filing 1971–2011
Top patents by PatentIndex Score
2,533 records- 0198US6849754B2Organosilicon compoundsDEGUSSA·Filed 2002·Granted Feb 1, 2005·338 cites·1 claims
- 0298US6841197B2n-Propylethoxysiloxanes, their preparation and useDEGUSSA·Filed 2001·Granted Jan 11, 2005·93 cites·36 claims
- 0398US6361871B1Composition of organofluorine-functional silanes and/or siloxanes, process for preparing it and its useDEGUSSA·Filed 2000·Granted Mar 26, 2002·140 cites·20 claims
- 0498US5334778AProcess for the production of 1,3-propanediolDEGUSSA·Filed 1993·Granted Aug 2, 1994·145 cites·15 claims
- 0598US5159009ACarbon blacks modified with organosilicon compounds, method of their production and their use in rubber mixturesDEGUSSA·Filed 1991·Granted Oct 27, 1992·154 cites·7 claims
- 0698US4515758AProcess and catalyst for the reduction of the ignition temperature of diesel soot filtered out of the exhaust gas of diesel enginesDEGUSSA·Filed 1983·Granted May 7, 1985·155 cites·7 claims
- 0798US4072701AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1976·Granted Feb 7, 1978·95 cites·18 claims
- 0898US3997581AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1975·Granted Dec 14, 1976·211 cites·14 claims
- 0997US7255735B2Surface-modified silicon dioxide-titanium dioxide mixed oxidesDEGUSSA·Filed 2005·Granted Aug 14, 2007·44 cites·17 claims
- 1097US7015270B2Cationic mixed-oxide dispersion, coating pigment and ink-absorbing mediumDEGUSSA·Filed 2003·Granted Mar 21, 2006·69 cites·19 claims
- 1197US6685766B2Corrosion inhibitor for steel-reinforced concreteDEGUSSA·Filed 2002·Granted Feb 3, 2004·57 cites·30 claims
- 1297US6635768B1Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesisDEGUSSA·Filed 1999·Granted Oct 21, 2003·93 cites·21 claims
- 1397US6548594B2Rubber mixturesDEGUSSA·Filed 2001·Granted Apr 15, 2003·91 cites·8 claims
- 1497US5658873ACoated sodium percarbonate particles, a process for their production and detergent, cleaning and bleaching compositions containing themDEGUSSA·Filed 1994·Granted Aug 19, 1997·859 cites·27 claims
- 1597US5387720AProcess for the production of acroleinDEGUSSA·Filed 1993·Granted Feb 7, 1995·178 cites·20 claims
- 1697US5364987AProcess for the preparation of 1,3-propanediolDEGUSSA·Filed 1993·Granted Nov 15, 1994·90 cites·13 claims
- 1797US5276201AProcess for the production of 3-hydroxyalkanalsDEGUSSA·Filed 1992·Granted Jan 4, 1994·97 cites·14 claims
- 1897US5157007ACatalyst for purification of exhaust gases of diesel engines and method of useDEGUSSA·Filed 1991·Granted Oct 20, 1992·151 cites·22 claims
- 1997US4963332AMethod for the catalytic removal of nitrogen oxides from exhaust gases by means of a reducing agentDEGUSSA·Filed 1989·Granted Oct 16, 1990·127 cites·5 claims
- 2097US4507490AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1984·Granted Mar 26, 1985·69 cites·7 claims
- 2197US4435216AProcess for the accelerated solidification of hydraulic cement mixtureDEGUSSA·Filed 1982·Granted Mar 6, 1984·163 cites·14 claims
- 2297US4229333ACross-linkable rubber mixtures containing silicate fillers and process for cross-linkingDEGUSSA·Filed 1979·Granted Oct 21, 1980·105 cites·83 claims
- 2397US4152347ASulfur and phosphorus containing organosilicon compounds and process for their production and useDEGUSSA·Filed 1977·Granted May 1, 1979·75 cites·17 claims
- 2497US3978103ASulfur containing organosilicon compoundsDEGUSSA·Filed 1974·Granted Aug 31, 1976·312 cites·28 claims
- 2596US7691529B2Lithium battery separator having a shutdown functionDEGUSSA·Filed 2009·Granted Apr 6, 2010·20 cites·21 claims
- 2696US7652145B2Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesisDEGUSSA·Filed 2004·Granted Jan 26, 2010·67 cites·26 claims
- 2796US7220449B2High-whiteness hydrophobic precipitated silica with ultralow moisture absorptionDEGUSSA·Filed 2005·Granted May 22, 2007·25 cites·10 claims
- 2896US6720462B2Method for producing aromatic alcohols, especially phenolDEGUSSA·Filed 2001·Granted Apr 13, 2004·171 cites·18 claims
- 2996US6579581B2Polymer blend having good low-temperature impact strengthDEGUSSA·Filed 2001·Granted Jun 17, 2003·78 cites·48 claims
- 3096US6552139B1Process for preparing acyclic olefins using homobimetallic and heterobimetallic alkylidene complexes of ruthenium containing N-heterocyclic carbene ligandsDEGUSSA·Filed 2000·Granted Apr 22, 2003·88 cites·10 claims
- 3196US6534667B1Water-based composition of amino-functional silicon compoundsDEGUSSA·Filed 2000·Granted Mar 18, 2003·83 cites·29 claims
- 3296US6500883B1Organosilane-and/or organosiloxane-containing agent for filled polyamideDEGUSSA·Filed 2000·Granted Dec 31, 2002·91 cites·18 claims
- 3396US6486366B1Method for producing alcohols by hydrogenation of carbonyl compoundsDEGUSSA·Filed 2001·Granted Nov 26, 2002·183 cites·35 claims
- 3496US6355358B1Multilayer compositeDEGUSSA·Filed 2000·Granted Mar 12, 2002·81 cites·31 claims
- 3596US5776240AGranules based on pyrogenically prepared silicon dioxide, methods for their preparation and use thereofDEGUSSA·Filed 1996·Granted Jul 7, 1998·132 cites·16 claims
- 3696US5364984AProcess for the preparation of 1,3-propanediol by the hydrogenation of hydroxypropionaldehydeDEGUSSA·Filed 1992·Granted Nov 15, 1994·106 cites·13 claims
- 3796US5116886AMethod for the production of fillers modified with organosilicon compounds, the fillers produced in this manner and their useDEGUSSA·Filed 1991·Granted May 26, 1992·146 cites·2 claims
- 3896US5015789AMethod of preparing 1,3-propanediolDEGUSSA·Filed 1990·Granted May 14, 1991·133 cites·12 claims
- 3996US4704414ASurface modified synthetic, silicatic filler, a process for its production and its useDEGUSSA·Filed 1985·Granted Nov 3, 1987·106 cites·18 claims
- 4096US4643995AAnalgesic pyridine-2-ethers or pyridine-2-thioethers having a nitrogen-containing cycloaliphatic ringDEGUSSA·Filed 1984·Granted Feb 17, 1987·64 cites·13 claims
- 4196US4621072AProcess for preparing abrasion-resistant coated catalystsDEGUSSA·Filed 1985·Granted Nov 4, 1986·61 cites·25 claims
- 4296US4514231ANatural oxidic or silicate filler modified on the surface, a process for its productionDEGUSSA·Filed 1984·Granted Apr 30, 1985·98 cites·10 claims
- 4396US4129585AProcess for the production of sulfur containing organosilicon compoundsDEGUSSA·Filed 1978·Granted Dec 12, 1978·75 cites·12 claims
- 4496US4118199AMonolithic carrier catalyst and arrangements of such a catalyst for the purification of exhaust gases from an internal combustion engineDEGUSSA·Filed 1976·Granted Oct 3, 1978·88 cites·9 claims
- 4596US4076550AReinforcing additiveDEGUSSA·Filed 1976·Granted Feb 28, 1978·167 cites·15 claims
- 4696US3997356AReinforcing additiveDEGUSSA·Filed 1974·Granted Dec 14, 1976·110 cites·20 claims
- 4796US3957718ACompositions containing silica, a phenoplast or an aminoplast, and a silaneDEGUSSA·Filed 1974·Granted May 18, 1976·96 cites·25 claims
- 4895US7294717B2Alkylidene complexes of ruthenium containing N-heterocyclic carbene ligands; use as highly active, selective catalysts for olefin metathesisDEGUSSA·Filed 2003·Granted Nov 13, 2007·56 cites·32 claims
- 4995US7235298B2Doped zinc oxide powder, process for its preparation, and its useDEGUSSA·Filed 2003·Granted Jun 26, 2007·77 cites·20 claims
- 5095US7211313B2Surfaces rendered self-cleaning by hydrophobic structures and a process for their productionDEGUSSA·Filed 2002·Granted May 1, 2007·54 cites·26 claims
Showing the top 50 of 2,533 patent records by PatentIndex Score.
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