Richard B. Greenwald

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Eagan, MN, US

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Patents Grantslast 30 patents

Information Patent Grant
Storage stable aqueous soluble germicidal film forming composition
- Patent number 5,158,766
- Issue date Oct 27, 1992
- Ecolab, Inc.
- Richard B. Greenwald
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Antimicrobial film-forming compositions containing polymers having...
- Patent number 5,108,740
- Issue date Apr 28, 1992
- Ecolab Inc.
- Richard B. Greenwald
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Detersive system with an improved hardness ion complexing agent
- Patent number 4,971,714
- Issue date Nov 20, 1990
- Ecolab Inc.
- Keith D. Lokkesmoe
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Antimicrobial film-forming compositions
- Patent number 4,908,381
- Issue date Mar 13, 1990
- Ecolab Inc.
- Richard B. Greenwald
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Graft copolymers of a polyether moiety on a polycarboxylate backbone
- Patent number 4,874,540
- Issue date Oct 17, 1989
- Ecolab Inc.
- Richard B. Greenwald
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Two-package co-sprayable film-forming sanitizer
- Patent number 4,783,340
- Issue date Nov 8, 1988
- Ecolab Inc.
- James A. McDonell
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE