Philip H. Steiger

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Powell, OH, US

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Patents Grantslast 30 patents

Information Patent Grant
Amine and quaternary ammonium compounds made from ketones and aldeh...
- Patent number 6,235,914
- Issue date May 22, 2001
- Goldschmidt Chemical Company
- Philip Howard Steiger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Diquaternary compounds useful as bleach activators
- Patent number 5,705,681
- Issue date Jan 6, 1998
- Witco Corporation
- Philip H. Steiger
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Diquaternary compounds useful as bleach activators, and composition...
- Patent number 5,662,827
- Issue date Sep 2, 1997
- Witco Corporation
- Philip H. Steiger
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Diquaternary bleach activators and compositions containing them
- Patent number 5,399,746
- Issue date Mar 21, 1995
- Witco Corporation
- Philip H. Steiger
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...