Inventor · disambiguated record
Allan J. Robertson
Also filed as: ROBERTSON ALLAN J · ROBERTSON ALLAN JAMES
24 granted patents·285 citations·filing 1973–2014
96Inventor score
Top patents by PatentIndex Score
24 records- 0192US4374780ADi-2,4,4'-trimethylpentylphosphinic acid and its preparationAMERICAN CYANAMID CO·Filed 1981·Granted Feb 22, 1983·29 cites·1 claims
- 0286US4348367ASelective removal of cobalt(II) from aqueous solutions with phosphinic extractantsAMERICAN CYANAMID CO·Filed 1981·Granted Sep 7, 1982·27 cites·44 claims
- 0384US4382016AExtractant for the selective removal of cobalt(II) from aqueous solutionsAMERICAN CYANAMID CO·Filed 1982·Granted May 3, 1983·24 cites·3 claims
- 0483US4308214APreparation of dialkyldithiophosphinatesCANADA CYANAMID·Filed 1981·Granted Dec 29, 1981·25 cites·10 claims
- 0581US4353883ASelective extraction of cobalt(II) from aqueous solutions with phosphinic acid extractantsAMERICAN CYANAMID CO·Filed 1981·Granted Oct 12, 1982·22 cites·31 claims
- 0679US7638636B2Phosphonium and imidazolium salts and methods of their preparationCYTEC TECH CORP·Filed 2003·Granted Dec 29, 2009·14 cites·13 claims
- 0778US4080501AMelamine phosphateAMERICAN CYANAMID CO·Filed 1973·Granted Mar 21, 1978·15 cites·5 claims
- 0875US5028403AMetal recovery with monothiophosphinic acidsAMERICAN CYANAMID CO·Filed 1990·Granted Jul 2, 1991·19 cites·16 claims
- 0975US4555368AProcess for synthesizing diorganomonothiophosphinatesAMERICAN CYANAMID CO·Filed 1984·Granted Nov 26, 1985·10 cites·10 claims
- 1067US4909939AProcess for solvent extraction using phosphine oxide mixturesAMERICAN CYANAMID CO·Filed 1987·Granted Mar 20, 1990·28 cites·17 claims
- 1159US4855507A1,4-Disubstituted-2,3,5,6-tetrahydroxy-1,4-diphosphorinanes and their oxides or sulfidesAMERICAN CYANAMID CO·Filed 1989·Granted Aug 8, 1989·14 cites·3 claims
- 1258US4537993ABis(β-carboxyethyl)isobutyl, sec. butyl and t-butyl phosphine oxide and polyamides containing the sameAMERICAN CYANAMID CO·Filed 1984·Granted Aug 27, 1985·4 cites·4 claims
- 1356US8764880B2Phosphinic acids and their sulfur derivatives and methods for their preparationZHOU YUEHUI·Filed 2007·Granted Jul 1, 2014·1 cites·10 claims
- 1456US4260592AManufacture of water-insoluble ammonium polyphosphateCANADA CYANAMID·Filed 1979·Granted Apr 7, 1981·10 cites·1 claims
- 1555US9102695B2Phosphinic acids and their sulfur derivatives and methods for their preparationCYTEC TECH CORP·Filed 2014·Granted Aug 11, 2015·0 cites·9 claims
- 1653US4163820AFlame-retardant particleboardAMERICAN CYANAMID CO·Filed 1974·Granted Aug 7, 1979·11 cites·5 claims
- 1751US3976752AManufacture of water-insoluble ammonium polyphosphateAMERICAN CYANAMID CO·Filed 1974·Granted Aug 24, 1976·8 cites·4 claims
- 1847US5250736AMethod of preparing a phosphine compoundCANADA CYANAMID·Filed 1992·Granted Oct 5, 1993·6 cites·16 claims
- 1944US4929393A1,4-Disubstituted-2,3,5,6-tetrahydroxy-1,4-diphosphorinanes and their oxides or sulfidesCANADA CYANAMID·Filed 1989·Granted May 29, 1990·2 cites·7 claims
- 2041US4321213A2,4,4'-Trimethylpentyl, cyclohexylphosphinic acid and its preparationCANADA CYANAMID·Filed 1981·Granted Mar 23, 1982·4 cites·1 claims
- 2139US5149878A1,4-disubstituted-2,3,5,6-tetrahyddroxy-1,4-diphosphorinanes and their oxides or sulfidesROBERTSON ALLAN J·Filed 1990·Granted Sep 22, 1992·6 cites·4 claims
- 2239US4117200AFire retardant wood productsAMERICAN CYANAMID CO·Filed 1977·Granted Sep 26, 1978·3 cites·5 claims
- 2333US5077437A1,4-disubstituted-2,3,5,6-tetrahydroxy-1,4-diphosphorinane and their oxides or sulfidesAMERICAN CYANAMID CO·Filed 1990·Granted Dec 31, 1991·3 cites·3 claims
- 2427US4968416A1,4-disubstituted-2,3,5,6-tetrahydroxy-1,4-diphosphorinanes and their oxides or sulfides and their use in froth flotationAMERICAN CYANAMID CO·Filed 1990·Granted Nov 6, 1990·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →