Purna Chand Sishta

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Whitehouse Station, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for the preparation of polyethylene or polypropylene
- Patent number 6,177,527
- Issue date Jan 23, 2001
- Union Carbide Chemical & Plastics Technology Corporation
- Purna Chand Sishta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymerization catalyst composition having increased activity
- Patent number 6,166,154
- Issue date Dec 26, 2000
- Union Carbide Chemicals & Plastics Technology Corporation
- John Henry Oskam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Olefin polymerization catalyst composition having increased activity
- Patent number 5,912,202
- Issue date Jun 15, 1999
- Union Carbide Chemicals & Plastics Technology Corporation
- John Henry Oskam
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production of polyethylene using stereoisomeric metallocenes
- Patent number 5,852,143
- Issue date Dec 22, 1998
- Union Carbide Chemicals & Plastics Technology Corporation
- Purna Chand Sishta
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...