David J. Forgach

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Process of preparing a composite membrane
- Patent number 5,580,650
- Issue date Dec 3, 1996
- The Dow Chemical Company
- David J. Forgach
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Rejection enhancing coatings for reverse osmosis membranes
- Patent number 4,909,943
- Issue date Mar 20, 1990
- The Dow Chemical Company
- Richard F. Fibiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rejection enhancing coatings for reverse osmosis membranes
- Patent number 4,894,165
- Issue date Jan 16, 1990
- The Dow Chemical Company
- Richard F. Fibiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Novel polyamide reverse osmosis membranes
- Patent number 4,859,384
- Issue date Aug 22, 1989
- Filmtec Corp.
- Richard F. Fibiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Rejection enhancing coatings for reverse osmosis membranes
- Patent number 4,828,700
- Issue date May 9, 1989
- The Dow Chemical Company
- Richard F. Fibiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Novel polyamide reverse osmosis membranes
- Patent number 4,769,148
- Issue date Sep 6, 1988
- The Dow Chemical Company
- Richard F. Fibiger
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL