Inventor · disambiguated record
Robert P. Huth
Also filed as: HUTH ROBERT P
2 granted patents·5 citations·filing 1984–1986
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2 records- 0140US4675389A(2-alkoxy-4-sulfonyl-5-alkylphenyl)azo-1-hydroxynaphthalene sulfonic acidsHILTON DAVIS CHEMICAL CO·Filed 1984·Granted Jun 23, 1987·2 cites·7 claims
- 0228US4707373AEdible compositions colored with (2-alkoxy-4-sulfonyl-5-alkyphenyl)azo-1-hydroxynaphthalene sulfonic acidsHILTON DAVIS CO·Filed 1986·Granted Nov 17, 1987·3 cites·7 claims
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