Roy E. Smith

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Toms River, NJ, US

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Patents Grantslast 30 patents

Information Patent Grant
.beta.-crystalline modification of diasazo acid dyestuff
- Patent number 4,876,333
- Issue date Oct 24, 1989
- Ciba-Geigy Corporation
- Alfred Hoehener
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Trisazo black dyes from 2-(4'-aminophenylazo)-7-amino-1-naphthol-3-...
- Patent number 4,737,240
- Issue date Apr 12, 1988
- Ciba-Geigy Corporation
- Herbert S. Davis
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...