Thomas J. Howell

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Langhorne, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing an expanded seed copolymer and product therefrom
- Patent number 4,582,859
- Issue date Apr 15, 1986
- Rohm & Haas Company
- George M. Lein
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ion exchange resins
- Patent number 4,431,785
- Issue date Feb 14, 1984
- Rohm & Haas Company
- Thomas J. Howell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Copolymer process and product therefrom consisting of crosslinked s...
- Patent number 4,419,245
- Issue date Dec 6, 1983
- Rohm & Haas Company
- James H. Barrett
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ion exchange resins
- Patent number 4,375,519
- Issue date Mar 1, 1983
- Rohm & Haas Company
- Thomas J. Howell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resins
- Patent number 4,283,499
- Issue date Aug 11, 1981
- Rohm & Haas Company
- Thomas J. Howell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Ion exchange resins
- Patent number 4,246,386
- Issue date Jan 20, 1981
- Rohm & Haas Company
- Thomas J. Howell
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...