Edwin Lee Johnson

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Issaquah, WA, US

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Patents Grantslast 30 patents

Information Patent Grant
High tap density chitosan, and methods of production
- Patent number 6,130,321
- Issue date Oct 10, 2000
- Vanson, Inc.
- Edwin Lee Johnson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Process for the recovery of chemicals from the shells of crustacea
- Patent number 4,199,496
- Issue date Apr 22, 1980
- Quintin P. Peniston
- A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information Patent Grant
Process for the manufacture of chitosan
- Patent number 4,195,175
- Issue date Mar 25, 1980
- Quintin P. Peniston
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for activating chitin by microwave treatment and improved a...
- Patent number 4,159,932
- Issue date Jul 3, 1979
- Quintin P. Peniston
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Process for demineralization of crustacea shells
- Patent number 4,066,735
- Issue date Jan 3, 1978
- Quintin P. Peniston
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method of and apparatus for fluid filtration and the like with the...
- Patent number 4,018,678
- Issue date Apr 19, 1977
- Quintin P. Peniston
- A24 - TOBACCO CIGARS CIGARETTES SMOKERS' REQUISITES