Janis C. Stevenson

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Langhorne, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for making encapsulated micro-agglomerated core/shell addit...
- Patent number 5,442,012
- Issue date Aug 15, 1995
- Rohm & Haas Company
- James S. Kempner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Encapsulated micro-agglomerated core/shell additives in poly(vinyl...
- Patent number 5,276,092
- Issue date Jan 4, 1994
- Rohm & Haas Company
- James S. Kempner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Co-microagglomeration of emulsion polymers (encapsulated core/shell...
- Patent number 5,221,713
- Issue date Jun 22, 1993
- Rohm & Haas Company
- James S. Kempner
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Poly(vinyl chloride) blends and additives therefor
- Patent number 5,194,498
- Issue date Mar 16, 1993
- Rohm & Haas Company
- Janis C. Stevenson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...