Inventor · disambiguated record
Philip A. Berke
Also filed as: BERKE PHILIP A
11 granted patents·272 citations·filing 1979–1995
91Inventor score
Top patents by PatentIndex Score
11 records- 0195US5244653AGlycine anhydride dimethylol as a biocide and preservativeISP CHEMICALS INC·Filed 1991·Granted Sep 14, 1993·115 cites·11 claims
- 0290US4454133AAntimicrobial compoundsSUTTON LAB INC·Filed 1981·Granted Jun 12, 1984·24 cites·9 claims
- 0387US4581351AComposition of matter containing imidazolidinyl urea and pyrithione and its derivativesSUTTON LAB INC·Filed 1984·Granted Apr 8, 1986·55 cites·11 claims
- 0480US4525480AComposition of matter containing cinnamaldehyde and parabensSUTTON LAB INC·Filed 1983·Granted Jun 25, 1985·12 cites·8 claims
- 0580US4337269APreservative compositionsSUTTON LAB INC·Filed 1979·Granted Jun 29, 1982·35 cites·3 claims
- 0678US4980176APreservative compositions and uses thereofSUTTON LAB INC·Filed 1987·Granted Dec 25, 1990·19 cites·5 claims
- 0750US4271176AN-(Hydroxymethyl)-N-(1,3-dihydroxymethyl-2,5-dioxo-4-imidazolidinyl)-N'-(hydroxymethyl)urea used as a preservative agentSUTTON LAB INC·Filed 1979·Granted Jun 2, 1981·7 cites·2 claims
- 0849US4459303AAntimicrobial preservative compoundsSUTTON LAB INC·Filed 1980·Granted Jul 10, 1984·2 cites·15 claims
- 0941US5593681AGlycine anhydride dimethylol as a biocide and preservativeISP CHEMICALS INC·Filed 1995·Granted Jan 14, 1997·3 cites·9 claims
- 1029US5707993AGlycine anhydride dimethylol as a biocide and preservativeISP CHEMICALS INC·Filed 1993·Granted Jan 13, 1998·0 cites·5 claims
- 1129US4487939AN-(hydroxymethyl)-N-(1,3-dihydroxymethyl-2,5-dioxo-4-imidazolidinyl)-N'-(hydroxymethyl)ureaSUTTON LAB INC·Filed 1980·Granted Dec 11, 1984·0 cites·1 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →