Joel R. Racchini

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St. Louis Park, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Microporous peek membranes and the preparation thereof
- Patent number 4,992,485
- Issue date Feb 12, 1991
- The Dow Chemical Company
- Ja-Young Koo
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Use of treated composite polyamide membranes to separate concentrat...
- Patent number 4,964,998
- Issue date Oct 23, 1990
- Filmtec Corporation
- John E. Cadotte
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Treatment of composite polyamide membranes with compatible oxidants
- Patent number 4,960,518
- Issue date Oct 2, 1990
- The FilmTec Corporation
- John E. Cadotte
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL