Inventor · disambiguated record
Robert A. Scherrer
Also filed as: FLETCHER VERNON R · HAMMAR WALTON J · SCHERRER ROBERT · SCHERRER ROBERT A
47 granted patents·3 pending applications·696 citations·filing 1974–2005
98Inventor score
Files withRIKER LABORATORIES INC39MINNESOTA MINING & MFG43M INNOVATIVE PROPERTIES CO3ENVIROTROL INC2SAHOUANI HASSAN1
Top patents by PatentIndex Score
50 records- 0196US4713446AViscoelastic collagen solution for ophthalmic use and method of preparationMINNESOTA MINING & MFG·Filed 1986·Granted Dec 15, 1987·159 cites·31 claims
- 0295US4526896ATetrazol-5-yl 2-nitro-3-phenylbenzofurans and antimicrobial use thereofRIKER LABORATORIES INC·Filed 1981·Granted Jul 2, 1985·35 cites·15 claims
- 0394US4851513AViscoelastic collagen solution for opthalmic use and method of preparationMINNESOTA MINING & MFG·Filed 1987·Granted Jul 25, 1989·106 cites·12 claims
- 0493US4067993AAntimicrobial 2-nitro-3-phenylbenzofurancarboxylic acidsRIKER LABORATORIES INC·Filed 1976·Granted Jan 10, 1978·25 cites·12 claims
- 0590US4066782AAntimicrobial (2-nitro-3-benzofuranyl)phenylacetic acidsRIKER LABORATORIES INC·Filed 1976·Granted Jan 3, 1978·18 cites·8 claims
- 0690US4048323AAntimicrobial (2-nitro-3-benzofuranyl)-benzoic acidsRIKER LABORATORIES INC·Filed 1976·Granted Sep 13, 1977·19 cites·10 claims
- 0789US5750134ABioadhesive composition and patchRIKER LABORATORIES INC·Filed 1995·Granted May 12, 1998·99 cites·24 claims
- 0888US4124704A2-Nitro-3-phenylbenzofuran alkanoic (or propenoic) acidsRIKER LABORATORIES INC·Filed 1977·Granted Nov 7, 1978·16 cites·40 claims
- 0985US5750136ABioadhesive composition and patchRIKER LABORATORIES INC·Filed 1995·Granted May 12, 1998·85 cites·52 claims
- 1078US4716178ASubstituted di-t-butylphenolsRIKER LABORATORIES INC·Filed 1986·Granted Dec 29, 1987·15 cites·9 claims
- 1177US4212865AAmine derivatives of 2-nitro-3-phenylbenzofuranRIKER LABORATORIES INC·Filed 1978·Granted Jul 15, 1980·10 cites·24 claims
- 1272US5049572ASubstituted di-t-butylphenols and anti-allergic use thereofRIKER LABORATORIES INC·Filed 1990·Granted Sep 17, 1991·14 cites·26 claims
- 1372US4143154AAnti-microbial 2-nitro-3-phenyl benzofurans substituted by carboxy containing groupRIKER LABORATORIES INC·Filed 1977·Granted Mar 6, 1979·6 cites·7 claims
- 1471US4128659AAntimicrobial polycyclic nitrofuransRIKER LABORATORIES INC·Filed 1977·Granted Dec 5, 1978·5 cites·3 claims
- 1570US7186402B2Medicinal aerosol compositions with an amide and/or ester containing excipient compound3M INNOVATIVE PROPERTIES CO·Filed 2002·Granted Mar 6, 2007·1 cites·12 claims
- 1669US4710515ASubstituted biphenyl derivativesRIKER LABORATORIES INC·Filed 1987·Granted Dec 1, 1987·14 cites·5 claims
- 1766US7300586B2pH stable activated carbonENVIROTROL INC·Filed 2005·Granted Nov 27, 2007·3 cites·20 claims
- 1862US6946077B2pH stable activated carbonENVIROTROL INC·Filed 2001·Granted Sep 20, 2005·7 cites·11 claims
- 1961US2008039533A1Bioactive Compositions Comprising Triazines3M INNOVATIVE PROPERTIES CO·Filed 2004·Application pending·0 cites
- 2060US5244997ACatalysts, catalysis method, casting article, and method of orthopedic castingMINNESOTA MINING & MFG·Filed 1992·Granted Sep 14, 1993·11 cites·7 claims
- 2158US5347036ASubstituted di-t-butylphenolsRIKER LABORATORIES INC·Filed 1993·Granted Sep 13, 1994·8 cites·7 claims
- 2258US4153716AOxy, thio, sulfenyl and sulfonyl derivatives of 2-nitro-3-phenylbenzofuranRIKER LABORATORIES INC·Filed 1977·Granted May 8, 1979·3 cites·15 claims
- 2358US4013692ACertain 3-phenyl-benzofuran lower alkanoic acids and esters thereofRIKER LABORATORIES INC·Filed 1975·Granted Mar 22, 1977·3 cites·22 claims
- 2457US5237070ASubstituted DI-t-butylphenolsRIKER LABORATORIES INC·Filed 1991·Granted Aug 17, 1993·5 cites·12 claims
- 2555US2008063714A1Compositions for Encapsulation and Controlled ReleaseSAHOUANI HASSAN·Filed 2004·Application pending·0 cites
- 2651US4022908AUse of certain 2-nitro-3-phenyl-alkoxybenzofurans in inhibiting growth of microorganisms and intermediates in the synthesis of said benzofuransRIKER LABORATORIES INC·Filed 1975·Granted May 10, 1977·2 cites·12 claims
- 2751US2003147814A1Medicinal aerosol formulations comprising ion pair complexes3M INNOVATIVE PROPERTIES CO·Filed 2002·Application pending·0 cites
- 2850US4464536AEnamines, pharmaceutical compositions, methods, synthetic processes and intermediatesRIKER LABORATORIES INC·Filed 1982·Granted Aug 7, 1984·2 cites·16 claims
- 2949US5225513ACasting article and compositionMINNESOTA MINING & MFG·Filed 1991·Granted Jul 6, 1993·7 cites·9 claims
- 3047US5527824ASubstituted Di-T-Butlyphenols useful for inhibiting leukotriene synthesisRIKER LABORATORIES INC·Filed 1995·Granted Jun 18, 1996·4 cites·1 claims
- 3145US4124605A2-Nitro or 2-bromo-(3-cyanomethylphenyl)benzofuransRIKER LABORATORIES INC·Filed 1977·Granted Nov 7, 1978·1 cites·3 claims
- 3244US5498745ASubstituted di-t-butylphenolsRIKER LABORATORIES INC·Filed 1995·Granted Mar 12, 1996·3 cites·1 claims
- 3343US4298532A3-Naphthyl benzofuransRIKER LABORATORIES INC·Filed 1980·Granted Nov 3, 1981·1 cites·2 claims
- 3442US4141990AAnti-microbial alkyl substituted-2-nitro-3-phenylbenzofuransRIKER LABORATORIES INC·Filed 1974·Granted Feb 27, 1979·1 cites·13 claims
- 3541US5495043ASubstituted di-t-butylphenolsRIKER LABORATORIES INC·Filed 1995·Granted Feb 27, 1996·2 cites·1 claims
- 3640US8173113B1Bioadhesive composition and patchSCHOLZ MATTHEW T·Filed 1997·Granted May 8, 2012·5 cites·6 claims
- 3738US5416113ASubstituted di-t-butylphenolsRIKER LABORATORIES INC·Filed 1994·Granted May 16, 1995·1 cites·3 claims
- 3838US4208335AAcidic 3-phenylbenzofuransRIKER LABORATORIES INC·Filed 1978·Granted Jun 17, 1980·0 cites·3 claims
- 3938US4154848A3-Naphthyl-2-nitrobenzofuransRIKER LABORATORIES INC·Filed 1978·Granted May 15, 1979·0 cites·3 claims
- 4037US4174403A5,6-Methylenedioxy-2-nitro-3-phenylbenzofuransRIKER LABORATORIES INC·Filed 1978·Granted Nov 13, 1979·0 cites·7 claims
- 4137US4154847ADerivatives of 2-nitro-3-phenylbenzofurancarboxaldehydesRIKER LABORATORIES INC·Filed 1978·Granted May 15, 1979·0 cites·5 claims
- 4236US4124603A4-(or 5 or 6 or 7)cyano-2-nitro-3-phenylbenzofuransRIKER LABORATORIES INC·Filed 1977·Granted Nov 7, 1978·0 cites·11 claims
- 4336US4124602AOptionally sunbstituted 3-(cyanophenyl)benzofuransRIKER LABORATORIES INC·Filed 1977·Granted Nov 7, 1978·0 cites·2 claims
- 4435US4231965APhenoxy phenyl ethanonesRIKER LABORATORIES INC·Filed 1979·Granted Nov 4, 1980·0 cites·2 claims
- 4535US4208336ACertain 3-bromomethylphenyl-2-bromo-benzofuransRIKER LABORATORIES INC·Filed 1978·Granted Jun 17, 1980·0 cites·2 claims
- 4635US4153619AIntermediates for 2-nitro-3-phenylbenzofuran alkan(and-en)oic acidsRIKER LABORATORIES INC·Filed 1978·Granted May 8, 1979·0 cites·3 claims
- 4734US4260547A5H-Indeno[5,6-b]furansRIKER LABORATORIES INC·Filed 1980·Granted Apr 7, 1981·0 cites·2 claims
- 4833US4452979AProcess for making enaminesRIKER LABORATORIES INC·Filed 1982·Granted Jun 5, 1984·0 cites·11 claims
- 4932US5103037ASubstituted di-t-butylphenolsRIKER LABORATORIES INC·Filed 1991·Granted Apr 7, 1992·0 cites·3 claims
- 5031US4675320AAminoalkyl and aminoalkoxy derivatives of 2-nitro-3-phenylbenzofuranRIKER LABORATORIES INC·Filed 1985·Granted Jun 23, 1987·0 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →