Paul R. Alexander Jr.

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Charlotte, NC, US

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Patents Grantslast 30 patents

Information Patent Grant
High efficiency air filtration media
- Patent number 5,336,286
- Issue date Aug 9, 1994
- Hoechst Celanese Corporation
- Paul R. Alexander
- D04 - BRAIDING LACE-MAKING KNITTING TRIMMINGS NON-WOVEN FABRICS
Information Patent Grant
Liquid/liquid extractions with microporous membranes
- Patent number 4,966,707
- Issue date Oct 30, 1990
- Celanese Corporation
- Edward L. Cussler
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL