Thomas A. Washall

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Wilmington, DE, US

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Patents Grantslast 30 patents

Information Patent Grant
Removal of tellurium from glycol ester solutions
- Patent number 4,224,301
- Issue date Sep 23, 1980
- Atlantic Richfield Company
- Thomas A. Washall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Recovery of selenium from urethane solutions
- Patent number 4,041,139
- Issue date Aug 9, 1977
- Atlantic Richfield Company
- Thomas A. Washall
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Process for the recovery of selenium from selenium-containing ureth...
- Patent number 4,038,375
- Issue date Jul 26, 1977
- Atlantic Richfield Company
- James H. Vorachek
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Removal of selenium from urethane solutions
- Patent number 4,038,377
- Issue date Jul 26, 1977
- Atlantic Richfield Company
- Thomas A. Washall
- C01 - INORGANIC CHEMISTRY