David A. Chang

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Waldwick, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
Pigmented rheopectic cleaning compositions with thixotropic properties
- Patent number 5,688,435
- Issue date Nov 18, 1997
- Reckitt & Colman Inc.
- David A. Chang
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...