Roger C. Zillmer

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Bloomington, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Urea-based solid cleaning compositions free from or containing mino...
- Patent number 5,698,513
- Issue date Dec 16, 1997
- Ecolab Inc.
- Rhonda Kay Schulz
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Method of making urea-based solid cleaning compositions
- Patent number 5,674,831
- Issue date Oct 7, 1997
- Ecolab Inc.
- Rhonda Kay Schulz
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information Patent Grant
Process for retarding fluid flow
- Patent number 4,796,700
- Issue date Jan 10, 1989
- Cities Service Oil and Gas Corporation
- Burton B. Sandiford
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Gel and process for preventing carbon dioxide break through
- Patent number 4,673,038
- Issue date Jun 16, 1987
- Cities Service Oil and Gas Corporation
- Burton B. Sandiford
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Gel and process for preventing loss of circulation, and combination...
- Patent number 4,643,255
- Issue date Feb 17, 1987
- Cities Service Oil and Gas Corporation
- Burton B. Sandiford
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...