PUROPORE INC

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TUSTIN, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
High strength nylon blend membranes
- Patent number 4,477,598
- Issue date Oct 16, 1984
- Puropore, Inc.
- Robert E. Kesting
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
High strength nylon blend membranes
- Patent number 4,450,126
- Issue date May 22, 1984
- Puropore, Inc.
- Robert E. Kesting
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Highly anisotropic membranes
- Patent number 4,333,972
- Issue date Jun 8, 1982
- Puropore, Inc.
- Robert E. Kesting
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Polyoxyethylene grafted membrane materials with grafting links deri...
- Patent number 4,280,970
- Issue date Jul 28, 1981
- Puropore Inc.
- Robert E. Kesting
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for spinning dense hollow fiber cellulosic membrane
- Patent number 4,219,517
- Issue date Aug 26, 1980
- Puropore Inc.
- Robert E. Kesting
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING