Raimund H. Silva

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Hattingen, DE

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Patents Grantslast 30 patents

Information Patent Grant
Electrolytic cell with cation exchange membrane having high equival...
- Patent number 4,544,471
- Issue date Oct 1, 1985
- E. I. Du Pont de Nemours and Company
- Raimund H. Silva
- B32 - LAYERED PRODUCTS
Information Patent Grant
Protective clothing of fabric containing a layer of highly fluorina...
- Patent number 4,518,650
- Issue date May 21, 1985
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- A41 - WEARING APPAREL
Information Patent Grant
Sacrificial reinforcements in cation exchange membrane
- Patent number 4,477,321
- Issue date Oct 16, 1984
- E. I. Du Pont de Nemours and Company
- Thomas C. Bissot
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Protective clothing of fabric containing a layer of highly fluorina...
- Patent number 4,469,744
- Issue date Sep 4, 1984
- E. I. Du Pont de Nemours and Company
- Walther G. Grot
- A41 - WEARING APPAREL
Information Patent Grant
Cation exchange membrane with high equivalent weight component
- Patent number 4,411,750
- Issue date Oct 25, 1983
- E. I. Du Pont de Nemours and Company
- Raimund H. Silva
- B32 - LAYERED PRODUCTS
Information Patent Grant
Cation exchange membrane with high equivalent weight component
- Patent number 4,401,711
- Issue date Aug 30, 1983
- E. I. Du Pont de Nemours and Company
- Raimund H. Silva
- B32 - LAYERED PRODUCTS