Thomas C. Johnson

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Water absorbent resin particles of crosslinked carboxyl containing...
- Patent number 5,629,377
- Issue date May 13, 1997
- The Dow Chemical Company
- Josef H. Burgert
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Water-swellable polymers having improved color
- Patent number 5,416,160
- Issue date May 16, 1995
- The Dow Chemical Company
- Thomas C. Johnson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a superabsorbent polymer
- Patent number 5,075,344
- Issue date Dec 24, 1991
- The Dow Chemical Company
- Thomas C. Johnson
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Crosslinker stabilizer for preparing absorbent polymers
- Patent number 4,833,222
- Issue date May 23, 1989
- The Dow Chemical Company
- Jonathan H. Siddall
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE