William H. Harrop

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Downington, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Polymers comprising alkali-insoluble core/alkali-soluble shell and...
- Patent number 4,916,171
- Issue date Apr 10, 1990
- Rohm and Haas Company
- Albert B. Brown
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Process for improving the processability of polyolefins and improve...
- Patent number 4,156,703
- Issue date May 29, 1979
- Rohm & Haas Company
- William H. Harrop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for improving the processability of polyolefins, improved p...
- Patent number 4,094,927
- Issue date Jun 13, 1978
- Rohm & Haas Company
- William H. Harrop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Tackifier for rubber
- Patent number 4,020,048
- Issue date Apr 26, 1977
- Rohm & Haas Company
- William H. Harrop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Tackifier for rubber
- Patent number 3,962,156
- Issue date Jun 8, 1976
- Rohm & Haas Company
- William H. Harrop
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...