Inventor · disambiguated record
Frank F. Loffelman
Also filed as: LOFFELMAN FRANK F · LOFFELMAN FRANK FRED
20 granted patents·355 citations·filing 1974–1986
95Inventor score
Files withAMERICAN CYANAMID CO20
Top patents by PatentIndex Score
20 records- 0194US4013404AMethod of dyeing hair with indolines, indoles and indazolesAMERICAN CYANAMID CO·Filed 1975·Granted Mar 22, 1977·125 cites·7 claims
- 0293US4778837ALow basicity hindered amine light stabilizersAMERICAN CYANAMID CO·Filed 1986·Granted Oct 18, 1988·52 cites·17 claims
- 0392US3986972AAcyl nitrile compounds as peroxygen bleach activatorsAMERICAN CYANAMID CO·Filed 1975·Granted Oct 19, 1976·43 cites·10 claims
- 0474US4356287ANovel polymeric light stabilizers for polymersAMERICAN CYANAMID CO·Filed 1981·Granted Oct 26, 1982·20 cites·12 claims
- 0573US3947374ASubstituted halotriazines as peroxygen bleach activatorsAMERICAN CYANAMID CO·Filed 1974·Granted Mar 30, 1976·14 cites·16 claims
- 0672US4017486ACationic alpha-cyano-p-dimethylaminocinnamoyl dyes and paper dyed therewithAMERICAN CYANAMID CO·Filed 1976·Granted Apr 12, 1977·8 cites·3 claims
- 0766US4348493ANovel light stabilizers for polymersAMERICAN CYANAMID CO·Filed 1981·Granted Sep 7, 1982·15 cites·15 claims
- 0864US4400505ATriazinyl-piperidines as light stabilizers for polymersAMERICAN CYANAMID CO·Filed 1981·Granted Aug 23, 1983·14 cites·9 claims
- 0958US4461861APolymer compositions stabilized with triazinyl-piperidine compoundsAMERICAN CYANAMID CO·Filed 1983·Granted Jul 24, 1984·11 cites·7 claims
- 1056US4412020ANovel light stabilizers for polymersAMERICAN CYANAMID CO·Filed 1981·Granted Oct 25, 1983·10 cites·20 claims
- 1155US4670491AStabilized titanium dioxide-pigmented polyolefin compositionsAMERICAN CYANAMID CO·Filed 1985·Granted Jun 2, 1987·10 cites·18 claims
- 1251US3986973ACyanoformates and cyanoformamides as bleach activatorsAMERICAN CYANAMID CO·Filed 1975·Granted Oct 19, 1976·6 cites·9 claims
- 1348US4293467AIsopropylidenedicyclohexylene esters and their use as light stabilizersAMERICAN CYANAMID CO·Filed 1980·Granted Oct 6, 1981·2 cites·16 claims
- 1448US3986974AAroyl-n-hydroxyformimidoyl halides as bleach activatorsAMERICAN CYANAMID CO·Filed 1975·Granted Oct 19, 1976·5 cites·7 claims
- 1546US4386177ALight stabilizers for polymers containing hindered piperidinyl-substituted 1,3,5 triazine groupsAMERICAN CYANAMID CO·Filed 1981·Granted May 31, 1983·6 cites·13 claims
- 1643US4435555ANovel polymeric light stabilizers for polymersAMERICAN CYANAMID CO·Filed 1983·Granted Mar 6, 1984·5 cites·6 claims
- 1740US4413093AMethod of stabilizing a polymer from degradation by UV radiationAMERICAN CYANAMID CO·Filed 1983·Granted Nov 1, 1983·4 cites·6 claims
- 1833US3986971A2,4-diisocyanato-6-halo-s-triazines as peroxygen bleach activatorsAMERICAN CYANAMID CO·Filed 1975·Granted Oct 19, 1976·4 cites·5 claims
- 1930US4381372APolymers derived from 4-bis(carbalkoxyethyl)-phosphinoxy-2,2,6,6-tetramethylpiperidineAMERICAN CYANAMID CO·Filed 1981·Granted Apr 26, 1983·0 cites·12 claims
- 2029US4125557AHydrosulfite-bleachable ketonimine dyes for paperAMERICAN CYANAMID CO·Filed 1977·Granted Nov 14, 1978·1 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →