Leo E. Nagan

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Mercer Island, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
Method of water treatment using zeolite crystalloid coagulants
- Patent number 6,190,561
- Issue date Feb 20, 2001
- Sortwell & Co., part interest
- Leo E. Nagan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of making paper
- Patent number 6,183,600
- Issue date Feb 6, 2001
- Sortwell & Co.
- Leo E. Nagan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of making paper
- Patent number 5,900,116
- Issue date May 4, 1999
- Sortwell & Co.
- Leo E. Nagan
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Method of water treatment using polyacrylamide-phosphonate flocculants
- Patent number 5,393,436
- Issue date Feb 28, 1995
- Diatec Polymers
- Leo E. Nagan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyacrylamide-phosphonate flocculants and methods of making
- Patent number 5,342,539
- Issue date Aug 30, 1994
- Diatec Polymers
- Leo E. Nagan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...