Richard A. Prather

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Houston, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Process of making particle board from pyrophosphate treated polyiso...
- Patent number RE31703
- Issue date Oct 9, 1984
- The Upjohn Company
- Richard A. Prather
- 264 - Plastic and nonmetallic article shaping or treating: processes
Information Patent Grant
Process for preparing particle board
- Patent number 4,428,897
- Issue date Jan 31, 1984
- The Upjohn Company
- Steven B. Lowenkron
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process for preparing a particle board using a self-releasing binde...
- Patent number 4,376,088
- Issue date Mar 8, 1983
- The Upjohn Company
- Richard A. Prather
- B27 - WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL NAILING OR STAPLING MACH...
Information Patent Grant
Process and composition
- Patent number 4,352,696
- Issue date Oct 5, 1982
- The Upjohn Company
- Richard A. Prather
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing methylene dianilines
- Patent number 4,294,987
- Issue date Oct 13, 1981
- The Upjohn Company
- Richard A. Prather
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyisocyanate compositions containing in-situ formed pyrophosphate...
- Patent number 4,258,169
- Issue date Mar 24, 1981
- The Upjohn Company
- Richard A. Prather
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...