Assignee
HUELS CHEMISCHE WERKE AG
1,117 granted patents·1 pending application·19,032 citations·filing 1971–2001
Top patents by PatentIndex Score
1,118 records- 0197US6090459AMultilayer plastic composition having an electrically conductive inner layerHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Jul 18, 2000·125 cites·18 claims
- 0297US4912210AProcess for the preparation of (cyclo)aliphatic uretedionesHUELS CHEMISCHE WERKE AG·Filed 1988·Granted Mar 27, 1990·102 cites·14 claims
- 0396US6054601AFluoroalkyl-functional organopolysiloxane-containing compositions based on water, a process for their preparation and their useHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Apr 25, 2000·102 cites·20 claims
- 0496US5885341AOrganopolysiloxane-containing, water-based compositions containing glycidal ether, acrylic and/or methacrylic functional groups, process for their preparation, and their useHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Mar 23, 1999·108 cites·19 claims
- 0596US5808125AFluoroalkyl-functional organopolysiloxane-containing compositions based on water, a process for their preparation and their useHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Sep 15, 1998·101 cites·8 claims
- 0696US5798048AMultilayer plastic fuel filter having antistatic propertiesHUELS CHEMISCHE WERKE AG·Filed 1996·Granted Aug 25, 1998·89 cites·18 claims
- 0796US5334747AMethod of preparing substituted malonic ester anilides and malonic acid mono-anilidesHUELS CHEMISCHE WERKE AG·Filed 1992·Granted Aug 2, 1994·71 cites·8 claims
- 0896US5117027AProcess for the preparation of organosilanes containing methacryloyloxy or acryloyloxy groupsHUELS CHEMISCHE WERKE AG·Filed 1991·Granted May 26, 1992·240 cites·3 claims
- 0996US5087739ACirculation process for the production of aliphatic and cycloaliphatic diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1991·Granted Feb 11, 1992·165 cites·15 claims
- 1096US4483798APolyaddition products containing uretidione groups and process for their preparationHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Nov 20, 1984·53 cites·13 claims
- 1196US4476054AUretidione dimer of isophorone diisocyanate and method of preparationHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Oct 9, 1984·99 cites·12 claims
- 1296US4208527AProcess for the manufacture of high molecular weight poly-(ethylene terephthalate)HUELS CHEMISCHE WERKE AG·Filed 1979·Granted Jun 17, 1980·103 cites·11 claims
- 1395US6245281B1Use of a nylon-12 for selective laser sinteringHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Jun 12, 2001·158 cites·4 claims
- 1495US6239194B1Surface-modified fillers, process for their preparation and their useHUELS CHEMISCHE WERKE AG·Filed 1999·Granted May 29, 2001·91 cites·19 claims
- 1595US5932757AMixture of oligomers of condensed alkylalkoxysilanesHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Aug 3, 1999·104 cites·13 claims
- 1695US5871823AHydrophilic coating of surfaces of polymeric substratesHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Feb 16, 1999·172 cites·12 claims
- 1795US5009814AUse of n-polyhydroxyalkyl fatty acid amides as thickening agents for liquid aqueous surfactant systemsHUELS CHEMISCHE WERKE AG·Filed 1988·Granted Apr 23, 1991·215 cites·9 claims
- 1895US4544402A4-DL-Alkylester-α-alaninyl-6-chloro-S-triazines and the use thereof as herbicidesHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Oct 1, 1985·46 cites·10 claims
- 1995US4454317AProcess for the trimerization of diisocyanatesHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Jun 12, 1984·81 cites·9 claims
- 2094US5849942AFluoroalkyl-functional organopolysiloxane-containing compositionsHUELS CHEMISCHE WERKE AG·Filed 1997·Granted Dec 15, 1998·77 cites·7 claims
- 2194US5629400AWater-based organopolysiloxane-containing compositions, processes for their preparation and their useHUELS CHEMISCHE WERKE AG·Filed 1995·Granted May 13, 1997·98 cites·17 claims
- 2294US5554426AMultilayer plastic pipeHUELS CHEMISCHE WERKE AG·Filed 1995·Granted Sep 10, 1996·107 cites·22 claims
- 2394US5425817AMultilayer plastic pipe with polyamide inner and outer layers and a linear crystalline polyester intermediate layerHUELS CHEMISCHE WERKE AG·Filed 1992·Granted Jun 20, 1995·103 cites·11 claims
- 2494US5282998AMixtures of linear and cyclic siloxanes or siloxane oligomers and a process for their preparationHUELS CHEMISCHE WERKE AG·Filed 1992·Granted Feb 1, 1994·71 cites·3 claims
- 2594US4328059AHigh-molecular weight linear polyesters and a process for preparing themHUELS CHEMISCHE WERKE AG·Filed 1980·Granted May 4, 1982·67 cites·8 claims
- 2694US4243613AProcess for the manufacture of mixtures of formaldehyde and methanol by partial oxidation of methaneHUELS CHEMISCHE WERKE AG·Filed 1978·Granted Jan 6, 1981·82 cites·10 claims
- 2794US4153772AVulcanizable molding compositionsHUELS CHEMISCHE WERKE AG·Filed 1977·Granted May 8, 1979·79 cites·1 claims
- 2893US6001894AProcess for modifying the surface of polymer substrates by graft polymerizationHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Dec 14, 1999·140 cites·19 claims
- 2993US5886219AProcess for preparing malonic acid and alkylmalonic acidsHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Mar 23, 1999·59 cites·10 claims
- 3093US5863509AFluoroalkyl-functional organopolysiloxane-containing compositionsHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Jan 26, 1999·71 cites·14 claims
- 3193US5679147AWater-based organic polysiloxane-containing compositions, processes for their preparation and their useHUELS CHEMISCHE WERKE AG·Filed 1995·Granted Oct 21, 1997·89 cites·23 claims
- 3293US5177282AOligomerization of olefinsHUELS CHEMISCHE WERKE AG·Filed 1990·Granted Jan 5, 1993·76 cites·12 claims
- 3393US5093534AProcess for the preparation of saturated alcohols from aldehydesHUELS CHEMISCHE WERKE AG·Filed 1991·Granted Mar 3, 1992·59 cites·16 claims
- 3493US4728693AImpact-resistant thermoplastic molding compounds based on polyphenylene ethers, polyoctenylenes and polyamidesHUELS CHEMISCHE WERKE AG·Filed 1986·Granted Mar 1, 1988·71 cites·19 claims
- 3593US4541897ADistillation process for the production of dehydrated ethanolHUELS CHEMISCHE WERKE AG·Filed 1982·Granted Sep 17, 1985·125 cites·25 claims
- 3693US4356307ACyclic imides, their preparation and useHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Oct 26, 1982·54 cites·5 claims
- 3793US4219678AProcess for preparing pure methyl tert.-butyl etherHUELS CHEMISCHE WERKE AG·Filed 1978·Granted Aug 26, 1980·37 cites·5 claims
- 3893US4215165AMethod for coating of glass surfacesHUELS CHEMISCHE WERKE AG·Filed 1978·Granted Jul 29, 1980·57 cites·19 claims
- 3993US3974092ACatalyst for the preparation of polyalkenamersHUELS CHEMISCHE WERKE AG·Filed 1974·Granted Aug 10, 1976·52 cites·10 claims
- 4092US6255513B1Stable compositions of water-soluble amino-and alkenyl-functional organosiloxanes, process for their preparation and their useHUELS CHEMISCHE WERKE AG·Filed 1999·Granted Jul 3, 2001·68 cites·23 claims
- 4192US5967714AProcess for the preparation of antimicrobial plasticsHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Oct 19, 1999·75 cites·16 claims
- 4292US5591818AOrganosilane polycondensation productsHUELS CHEMISCHE WERKE AG·Filed 1995·Granted Jan 7, 1997·73 cites·31 claims
- 4392US4840993AImpact-resistant polyamide molding compoundsHUELS CHEMISCHE WERKE AG·Filed 1987·Granted Jun 20, 1989·60 cites·20 claims
- 4492US4716255AProcess for the production of 3,3-dichloro-2-methylpropeneHUELS CHEMISCHE WERKE AG·Filed 1984·Granted Dec 29, 1987·31 cites·17 claims
- 4592US4517395AProcess for the selective hydrogenation of polyunsaturated hydrocarbons in hydrocarbon mixturesHUELS CHEMISCHE WERKE AG·Filed 1982·Granted May 14, 1985·50 cites·12 claims
- 4692US4463154APolyurethane powder enamels free of cleavage products as well as enamel coatings produced from such powdersHUELS CHEMISCHE WERKE AG·Filed 1983·Granted Jul 31, 1984·59 cites·14 claims
- 4792US4413079APowder enamels free of blocking agentsHUELS CHEMISCHE WERKE AG·Filed 1981·Granted Nov 1, 1983·59 cites·11 claims
- 4892US4334056AMethod for polytropically precipitating polyamide powder coating compositions where the polyamides have at least 10 aliphatically bound carbon atoms per carbonamide groupHUELS CHEMISCHE WERKE AG·Filed 1980·Granted Jun 8, 1982·83 cites·11 claims
- 4991US5932687APreparation of precipitated polyamide powders of narrow particle size distribution and low porosityHUELS CHEMISCHE WERKE AG·Filed 1998·Granted Aug 3, 1999·82 cites·13 claims
- 5091US5146039AProcess for low level desulfurization of hydrocarbonsHUELS CHEMISCHE WERKE AG·Filed 1990·Granted Sep 8, 1992·47 cites·9 claims
Showing the top 50 of 1,118 patent records by PatentIndex Score.
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