Inventor · disambiguated record
John D. Pera
Also filed as: PERA JOHN D
28 granted patents·611 citations·filing 1974–1994
97Inventor score
Files withBUCKMAN LABOR INC28
Top patents by PatentIndex Score
28 records- 0197US4778813APolymeric quaternary ammonium compounds, their preparation and useBUCKMAN LABOR INC·Filed 1985·Granted Oct 18, 1988·86 cites·6 claims
- 0297US4506081APolymeric quaternary ammonium compounds and their usesBUCKMAN LABOR INC·Filed 1982·Granted Mar 19, 1985·79 cites·11 claims
- 0392US4970211AIonene polymeric compositions, their preparation and useBUCKMAN LABOR INC·Filed 1989·Granted Nov 13, 1990·37 cites·1 claims
- 0492US4176107AWater-soluble dispersions of high molecular water-soluble polymers containing a surfactant and a water-soluble organic carrier which is a hydroxy compound containing repeating alkylene oxide unitsBUCKMAN LABOR INC·Filed 1978·Granted Nov 27, 1979·42 cites·19 claims
- 0591US5051124AMicrobicidal compositions of dimethylamine-epichlorohydrin aminesBUCKMAN LABOR INC·Filed 1989·Granted Sep 24, 1991·44 cites·16 claims
- 0690US4581058APolymeric quaternary ammonium compounds and their usesBUCKMAN LABOR INC·Filed 1984·Granted Apr 8, 1986·47 cites·11 claims
- 0790US4293559ASlime control compositions and methods of using the sameBUCKMAN LABOR INC·Filed 1978·Granted Oct 6, 1981·27 cites·8 claims
- 0890US4054542AAmine-epichlorohydrin polymeric compositionsBUCKMAN LABOR INC·Filed 1976·Granted Oct 18, 1977·54 cites·32 claims
- 0988US4250269AWater-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactantsBUCKMAN LABOR INC·Filed 1979·Granted Feb 10, 1981·51 cites·14 claims
- 1083US4505831AMethod of preservation of aqueous systems by addition to said systems of quaternary ammonium salts of hexamethylenetetramineBUCKMAN LABOR INC·Filed 1983·Granted Mar 19, 1985·15 cites·11 claims
- 1180US4157364AProcess for preparing dimethylaminomethylenebis(phosphonic acid)BUCKMAN LABOR INC·Filed 1978·Granted Jun 5, 1979·11 cites·6 claims
- 1278US3959328AHalogenated propyl esters of cyanodithioimidocarbonic acidBUCKMAN LABOR INC·Filed 1975·Granted May 25, 1976·10 cites·6 claims
- 1369US3976495AMethods of inhibiting the growth and proliferation of fungi using 3',5'-dihalo-4'-hydroxyacetophenoneBUCKMAN LABOR INC·Filed 1974·Granted Aug 24, 1976·13 cites·60 claims
- 1467US4163733ASynergistic compositions for corrosion and scale controlBUCKMAN LABOR INC·Filed 1977·Granted Aug 7, 1979·19 cites·20 claims
- 1564US4181806AAminoalkylenephosphonic acids and salts thereof and their use in aqueous systemsBUCKMAN LABOR INC·Filed 1978·Granted Jan 1, 1980·5 cites·17 claims
- 1661US3933472ASubstituted alkylaryl ketones and methods of use as herbicidesBUCKMAN LABOR INC·Filed 1974·Granted Jan 20, 1976·5 cites·4 claims
- 1759US4285765ASlime control compositions and methods of using the sameBUCKMAN LABOR INC·Filed 1980·Granted Aug 25, 1981·20 cites·8 claims
- 1854US3973034ACertain stabilized dithiocarbomate pesticidal compositions and methods of using sameBUCKMAN LABOR INC·Filed 1974·Granted Aug 3, 1976·6 cites·15 claims
- 1950US5424007A1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosionBUCKMAN LABOR INC·Filed 1994·Granted Jun 13, 1995·2 cites·5 claims
- 2045US5245031A1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosionBUCKMAN LABOR INC·Filed 1991·Granted Sep 14, 1993·2 cites·1 claims
- 2142US5073638AProcess for the production of 2-thiocyanomethylthiobenzothiazoleBUCKMAN LABOR INC·Filed 1990·Granted Dec 17, 1991·4 cites·14 claims
- 2238US4920107A1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, and their use in the control of microorganisms in aqueous systemsBUCKMAN LABOR INC·Filed 1988·Granted Apr 24, 1990·7 cites·25 claims
- 2337US4851532AIonene polymeric compositions, their preparation and useBUCKMAN LABOR INC·Filed 1986·Granted Jul 25, 1989·3 cites·6 claims
- 2436US5061797A1-methyl-3,5,7-triaza-1-azoniatricyclodecane compoundsBUCKMAN LABOR INC·Filed 1988·Granted Oct 29, 1991·4 cites·6 claims
- 2536US4243524AAminoalkylenephosphonic acids and salts thereof and their use in aqueous systemsBUCKMAN LABOR INC·Filed 1979·Granted Jan 6, 1981·4 cites·17 claims
- 2634US4374040AAminoalkylenephosphonic acids and salts thereof and their use in aqueous systemsBUCKMAN LABOR INC·Filed 1980·Granted Feb 15, 1983·5 cites·17 claims
- 2733US5066334AFungicidal and corrosion inhibiting paint pigmentsBUCKMAN LABOR INC·Filed 1989·Granted Nov 19, 1991·7 cites·16 claims
- 2832US5356548A1-methyl-3,5,7-triaza-1-azoniatricyclodecane compounds, a method for preparing these compounds, their use in the control of microorganisms in aqueous systems, and their use in the inhibition of corrosionBUCKMAN LABOR INC·Filed 1993·Granted Oct 18, 1994·2 cites·13 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →