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John Tomaschke
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San Diego, CA, US
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Patents Grants
last 30 patents
Information
Patent Grant
Ultrafiltration membranes for dairy protein separation
Patent number
11,872,532
Issue date
Jan 16, 2024
Campbell Membrane Technologies, Inc.
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Low pressure reverse osmosis and nanofiltration membranes and metho...
Patent number
7,001,518
Issue date
Feb 21, 2006
Hydranautics
John Edward Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Interfacially polymerized, bipiperidine-polyamide membranes for rev...
Patent number
6,464,873
Issue date
Oct 15, 2002
Hydranautics
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Amine monomers and their use in preparing interfacially synthesized...
Patent number
5,922,203
Issue date
Jul 13, 1999
Hydranautics
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Interfacially synthesized reverse osmosis membranes and processes f...
Patent number
5,254,261
Issue date
Oct 19, 1993
Hydranautics
John E. Tomaschke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Interfacially synthesized reverse osmosis membranes and processes f...
Patent number
5,246,587
Issue date
Sep 21, 1993
Hydranautics
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Stable membranes from sulfonated polyarylethers
Patent number
4,990,252
Issue date
Feb 5, 1991
Hydanautics
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Interfacially synthesized reverse osmosis membrane containing an am...
Patent number
4,948,507
Issue date
Aug 14, 1990
Hydranautics Corporation
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Grant
Interfacially synthesized reverse osmosis membrane containing an am...
Patent number
4,872,984
Issue date
Oct 10, 1989
Hydranautics Corporation
John E. Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Patents Applications
last 30 patents
Information
Patent Application
ULTRAFILTRATION MEMBRANES FOR DAIRY PROTEIN SEPARATION
Publication number
20210178341
Publication date
Jun 17, 2021
Campbell Membrane Technologies, Inc.
John Tomaschke
B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information
Patent Application
POLYENE PIGMENT COMPOSITIONS FOR TEMPORARY HIGHLIGHTING AND MARKING...
Publication number
20090324846
Publication date
Dec 31, 2009
B&T TECHNOLOGIES, LLC
John Tomaschke
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...