Thomas A. Rettig

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West Chester, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Recovery of silver from photographic films by high shear conditions
- Patent number 4,612,057
- Issue date Sep 16, 1986
- E. I. Du Pont de Nemours and Company
- Kenneth R. Buser
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information Patent Grant
Recovery of polyester from scrap by high shear conditions
- Patent number 4,602,046
- Issue date Jul 22, 1986
- E. I. Du Pont de Nemours and Company
- Kenneth R. Buser
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...