Donald P. Hsu

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Monmouth Junction, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Multilayer bicarbonate/peroxide dentifrice
- Patent number 5,690,913
- Issue date Nov 25, 1997
- Colgate Palmolive Company
- Donald P. Hsu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stabilized dentifrice compositions containing reactive ingredients
- Patent number 5,614,174
- Issue date Mar 25, 1997
- Colgate Palmolive Company
- Donald P. Hsu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Stabilized dentifrice compositions containing reactive ingredients
- Patent number 5,599,525
- Issue date Feb 4, 1997
- Colgate Palmolive Company
- Donald P. Hsu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Dentifrice compositions having improved anticalculus properties
- Patent number 5,599,527
- Issue date Feb 4, 1997
- Colgate Palmolive Company
- Donald P. Hsu
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE