Assignee
WITCO GMBH
DE·34 granted patents·343 citations·filing 1991–1997
Top patents by PatentIndex Score
34 records- 0180US5427992AProcess for preparing solutions of oligomeric methylaluminoxanesWITCO GMBH·Filed 1992·Granted Jun 27, 1995·23 cites·27 claims
- 0279US5523435AProcess for the synthesis of monomethylmetallocenes and dimethylmetallocenes and their solutions specifically for use in the polymerization of olefinsWITCO GMBH·Filed 1995·Granted Jun 4, 1996·28 cites·7 claims
- 0373US6124229AProcess for the preparation of metallocene catalyst systems on inert support material using gas phase reactorWITCO GMBH·Filed 1996·Granted Sep 26, 2000·39 cites·34 claims
- 0473US5543535AOrganotin compounds useful in preparing bridged stereorigid metallocenesWITCO GMBH·Filed 1995·Granted Aug 6, 1996·16 cites·8 claims
- 0571US5726332ASynthesis of novel organometallics and their use in olefin polymerizationWITCO GMBH·Filed 1996·Granted Mar 10, 1998·19 cites·7 claims
- 0670US5336795AProcess for the preparation of transition metal complexes having monosubstituted cyclopentadienyl ligandsWITCO GMBH·Filed 1994·Granted Aug 9, 1994·14 cites·5 claims
- 0767US5534474AProcess for preparing aluminoxane on inert support materialWITCO GMBH·Filed 1995·Granted Jul 9, 1996·24 cites·11 claims
- 0863US5625086AProcess for the preparation of cyclopentadienyltrialkoxytitanium derivativesWITCO GMBH·Filed 1996·Granted Apr 29, 1997·10 cites·4 claims
- 0963US5474716AProcess for the preparation of bridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenesWITCO GMBH·Filed 1995·Granted Dec 12, 1995·9 cites·7 claims
- 1062US5891935AProcess for preparing polymeric binders and their use for antifouling paint systemsWITCO GMBH·Filed 1997·Granted Apr 6, 1999·16 cites·14 claims
- 1162US5789332AFluidized bed gas phase process of preparing a supported metallocene catalystWITCO GMBH·Filed 1996·Granted Aug 4, 1998·20 cites·10 claims
- 1259US5446001AProcess for the preparation of alkylaluminoxanes on inert support materialsWITCO GMBH·Filed 1994·Granted Aug 29, 1995·19 cites·20 claims
- 1359US5414158AMethod of preparing alkoxy-magnesium halidesWITCO GMBH·Filed 1993·Granted May 9, 1995·8 cites·7 claims
- 1459US5314971AUrethane-modified polyoxyalkylene epoxy resinsWITCO GMBH·Filed 1993·Granted May 24, 1994·10 cites·2 claims
- 1556US5821300AProcess for preparing polymeric binders and their use for antifouling paint systemsWITCO GMBH·Filed 1997·Granted Oct 13, 1998·12 cites·8 claims
- 1655US5298641AMethod of preparing distannanesWITCO GMBH·Filed 1993·Granted Mar 29, 1994·7 cites·15 claims
- 1753US5274012AHydroxyl group-containing epoxy resin reacted with polyoxyalkylene (urethane)-isocyanateWITCO GMBH·Filed 1992·Granted Dec 28, 1993·8 cites·2 claims
- 1850US5403942AProcess for the preparation of aluminoxanesWITCO GMBH·Filed 1994·Granted Apr 4, 1995·13 cites·8 claims
- 1948US5380898AProcess for preparing trimethylaluminum by reacting methylaluminum chlorides with sodium in solids reactorsWITCO GMBH·Filed 1993·Granted Jan 10, 1995·4 cites·12 claims
- 2046US5344482AUse of thiadiazoles as biocides for material protectionWITCO GMBH·Filed 1993·Granted Sep 6, 1994·6 cites·40 claims
- 2145US5612462AProcess for preparing bridged stereorigid metallocenesWITCO GMBH·Filed 1995·Granted Mar 18, 1997·12 cites·20 claims
- 2241US5453221ABridged cyclopentadienylmagnesium compounds and use thereof for preparing metallocenesWITCO GMBH·Filed 1995·Granted Sep 26, 1995·2 cites·2 claims
- 2340US5332430AUse of thiadiazole compounds as an antifouling active ingredientWITCO GMBH·Filed 1993·Granted Jul 26, 1994·11 cites·39 claims
- 2440US5292491AProcess for the solvent extraction of palladium from aqueous solutionsWITCO GMBH·Filed 1991·Granted Mar 8, 1994·4 cites·10 claims
- 2538US5708150AProcess for preparing transition metal complexes containing disubstituted cyclopentadienyl ligandsWITCO GMBH·Filed 1995·Granted Jan 13, 1998·2 cites·12 claims
- 2635US5856541AProcess for preparing 1 3-disubstituted cyclopentadienyl ligands and transition metal complexes thereofWITCO GMBH·Filed 1996·Granted Jan 5, 1999·1 cites·11 claims
- 2735US5359116AProcess for preparing trimethylaluminum by reducing methylaluminum chlorides with sodium using high shearing forcesWITCO GMBH·Filed 1993·Granted Oct 25, 1994·4 cites·16 claims
- 2832US5288886AMethod of preparing trialkyl-tin hydridesWITCO GMBH·Filed 1993·Granted Feb 22, 1994·1 cites·13 claims
- 2931US5290453AProcess for preparing chelating ion exchanger resins and the use thereof for the extraction of metalsWITCO GMBH·Filed 1991·Granted Mar 1, 1994·1 cites·10 claims
- 3029US5618956AAsymmetrically substituted metallocenes which are functionalized on one cyclopentadienyl ring, and their preparationWITCO GMBH·Filed 1996·Granted Apr 8, 1997·0 cites·8 claims
- 3128US5545785AProcess for preparing biscyclopentadienyl compoundsWITCO GMBH·Filed 1995·Granted Aug 13, 1996·0 cites·6 claims
- 3227US5756787AProcess for the stabilization of organotin halides by lactams and/or lactones and metal alcoholates and/or semimetal alcoholates and a glass coating formulation for glass or ceramic surfacesWITCO GMBH·Filed 1997·Granted May 26, 1998·0 cites·15 claims
- 3325US5817851AMonovinyltin trihalides and process for their preparationWITCO GMBH·Filed 1997·Granted Oct 6, 1998·0 cites·8 claims
- 3424US5753144AStable homogeneous formulations of oxidaton- sensitive organometallic compounds in paraffins and process for their preparationWITCO GMBH·Filed 1997·Granted May 19, 1998·0 cites·12 claims
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