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
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →