Inventor · disambiguated record
Michael-Joachim Brekner
Also filed as: BREKNER MICHAEL · BREKNER MICHAEL-JOACHIM
31 granted patents·1,346 citations·filing 1990–2002
98Inventor score
Top patents by PatentIndex Score
31 records- 0198US5087677AProcess for the preparation of cycloolefin polymersHOECHST AG·Filed 1990·Granted Feb 11, 1992·268 cites·6 claims
- 0292US5552504ASemi-crystalline cycloolefin copolymer filmHOECHST AG·Filed 1994·Granted Sep 3, 1996·83 cites·21 claims
- 0391US5359001APolymer blends of cycloolefin polymers and polyolefinsHOECHST AG·Filed 1993·Granted Oct 25, 1994·66 cites·17 claims
- 0490US5637400ACycloolefin copolymers having low melt viscosity and low optical attenuationHOECHST AG·Filed 1994·Granted Jun 10, 1997·75 cites·19 claims
- 0590US5428098AFiber-reinforced cycloolefin copolymer material, process for its preparation and shaped articles from the materialHOECHST AG·Filed 1994·Granted Jun 27, 1995·70 cites·16 claims
- 0689US5422409ACycloolefin (co)polymers with a narrow molecular weight distribution and a process for the preparation thereofHOECHST AG·Filed 1993·Granted Jun 6, 1995·59 cites·11 claims
- 0789US5331057ACycloolefin block copolymers and a process for their preparationHOECHST AG·Filed 1993·Granted Jul 19, 1994·60 cites·18 claims
- 0887US6469114B1Metallocene compound and polymerization catalyst comprising heterocyclic groupBASELL POLYOLEFINS GMBH·Filed 2000·Granted Oct 22, 2002·35 cites·10 claims
- 0987US5583192AFlexible cycloolefin copolymer film and method of preparing sameHOECHST AG·Filed 1994·Granted Dec 10, 1996·48 cites·20 claims
- 1087US5371158ABulk polymerization using specific metallocene catalysts for the preparation of cycloolefin polymersHOECHST AG·Filed 1993·Granted Dec 6, 1994·53 cites·6 claims
- 1187US5324801AProcess for the preparation of chemically homogeneous cycloolefin copolymersHOECHST AG·Filed 1993·Granted Jun 28, 1994·63 cites·7 claims
- 1286US5534606ARigid cycloolefin copolymer filmHOECHST AG·Filed 1994·Granted Jul 9, 1996·67 cites·17 claims
- 1385US5498677AProcess for preparation and purification of material of a cycloolefin copolymerHOECHST AG·Filed 1994·Granted Mar 12, 1996·43 cites·12 claims
- 1483US5602219AProcess for preparing cycloolefin copolymersHOECHST AG·Filed 1995·Granted Feb 11, 1997·49 cites·14 claims
- 1583US5475060ACycloolefin block copolymers and a process for their preparationHOECHST AG·Filed 1994·Granted Dec 12, 1995·31 cites·6 claims
- 1682US6169052B1Metallocene and catalyst used for the preparation of chemically homogeneous cycloolefin copolymersTARGOR GMBH·Filed 1997·Granted Jan 2, 2001·36 cites·21 claims
- 1782US5744664ACycloolefin copolymers (COCS) as substrate material for liquid-crystal displaysHOECHST AG·Filed 1994·Granted Apr 28, 1998·40 cites·8 claims
- 1880US5719095ASupported catalyst system, the preparation thereof, and the use thereof for the polymerization of olefinsHOECHST AG·Filed 1994·Granted Feb 17, 1998·32 cites·25 claims
- 1977US5733991AProcess for preparing cycloolefin polymerHOECHST AG·Filed 1996·Granted Mar 31, 1998·35 cites·17 claims
- 2074US5545829AProcess for preparing cycloolefin copolymersHOECHST AG·Filed 1995·Granted Aug 13, 1996·36 cites·18 claims
- 2167US5439722ASubstrate composed of at least one cycloolefin copolymer for recording media and process for producing itHOECHST AG·Filed 1993·Granted Aug 8, 1995·16 cites·20 claims
- 2263US6262197B1Multinuclear metallocene compound, a process for its preparation and its use as catalystTARGOR GMBH·Filed 1996·Granted Jul 17, 2001·17 cites·12 claims
- 2356US5646220ACycloolefin block copolymers and a process for their preparationHOECHST AG·Filed 1995·Granted Jul 8, 1997·11 cites·1 claims
- 2451US5166304AUse of polyaryl ether ketones as alignment layersHOECHST AG·Filed 1991·Granted Nov 24, 1992·11 cites·8 claims
- 2548US5789492AWeathering-resistant polymer alloysHOECHST AG·Filed 1992·Granted Aug 4, 1998·10 cites·15 claims
- 2644US6593452B2Fibers made of cycloolefin copolymersTICONA GMBH·Filed 2002·Granted Jul 15, 2003·0 cites·33 claims
- 2744US6214951B1Cycloolefin copolymers having high tear strength and low optical attenuationHOECHST AG·Filed 1997·Granted Apr 10, 2001·12 cites·18 claims
- 2844US5422397ABinary alloys based on polyether-amides and cycloolefin polymersHOECHST AG·Filed 1992·Granted Jun 6, 1995·8 cites·14 claims
- 2943US6458919B1Fibers made of cycloolefin copolymersTICONA GMBH·Filed 1995·Granted Oct 1, 2002·5 cites·9 claims
- 3033US5707728AMagneto-optical recording mediumTICONA GMBH·Filed 1995·Granted Jan 13, 1998·3 cites·28 claims
- 3131US5373081APolyether ketones and polyether sulfones based on phenylindane, and the use thereof for optical systemsHOECHST AG·Filed 1993·Granted Dec 13, 1994·4 cites·15 claims
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