Inventor · disambiguated record
Hermann O. Wirth
Also filed as: OTTO EBERHARD · WEHNER HERMANN W · WIRTH HERMANN · WIRTH HERMANN O
63 granted patents·746 citations·filing 1974–1996
99Inventor score
Top patents by PatentIndex Score
63 records- 0195US5002698ASulfur- and nitrogen-containing lubricant additivesCIBA GEIGY CORP·Filed 1989·Granted Mar 26, 1991·78 cites·6 claims
- 0292US4656209AChlorinated thermoplastics stabilized with aminouracilsCIBA GEIGY CORP·Filed 1982·Granted Apr 7, 1987·43 cites·10 claims
- 0390US4404408AComplexed compounds, processes for their manufacture and their useCIBA GEIGY CORP·Filed 1977·Granted Sep 13, 1983·36 cites·6 claims
- 0488US5350785AStabilized chlorine-containing polymer compositionsCIBA GEIGY CORP·Filed 1993·Granted Sep 27, 1994·37 cites·24 claims
- 0588US4425278AComplex compounds, process for their preparation, and their useCIBA GEIGY CORP·Filed 1981·Granted Jan 10, 1984·55 cites·8 claims
- 0686US5283273AStabilized chlorine-containing polymersCIBA GEIGY CORP·Filed 1993·Granted Feb 1, 1994·32 cites·18 claims
- 0785US4244827AMixture of di- or trithiophosphoric acid diesters, processes for producing it and its useCIBA GEIGY CORP·Filed 1978·Granted Jan 13, 1981·16 cites·35 claims
- 0884US4290940APyrrole stabilizers for chlorine-containing thermoplasticsCIBA GEIGY CORP·Filed 1980·Granted Sep 22, 1981·14 cites·13 claims
- 0983US4396552ANovel metal mercaptides of esters of β-mercaptoalkanolsCIBA GEIGY CORP·Filed 1981·Granted Aug 2, 1983·14 cites·5 claims
- 1081US4772405ALubricant compositions which contain sulfur-containing phenol derivatives, and novel sulfur-containing phenol derivativesCIBA GEIGY CORP·Filed 1986·Granted Sep 20, 1988·27 cites·22 claims
- 1178US4369276APyrrole stabilizers for chlorine-containing thermoplasticsCIBA GEIGY CORP·Filed 1981·Granted Jan 18, 1983·10 cites·6 claims
- 1276US5177135Aβ-keto esters as stabilizers for chlorinated polymersCIBA GEIGY CORP·Filed 1990·Granted Jan 5, 1993·20 cites·9 claims
- 1376US5071898APropane-1,3-dione derivatives and their use as stabilizers for polymers containing chlorineCIBA GEIGY CORP·Filed 1989·Granted Dec 10, 1991·12 cites·14 claims
- 1476US4336148AComplex compound, process for their preparation, and their useCIBA GEIGY CORP·Filed 1978·Granted Jun 22, 1982·24 cites·6 claims
- 1575US4762628ANitrogen-containing additives for non-aqueous functional fluidsCIBA GEIGY CORP·Filed 1986·Granted Aug 9, 1988·21 cites·10 claims
- 1673US5244949AStabilized chlorine-containing polymersCIBA GEIGY CORP·Filed 1991·Granted Sep 14, 1993·19 cites·16 claims
- 1773US4886610ALubricant compositions, novel glucamine derivatives and complex compounds containing sameCIBA GEIGY CORP·Filed 1988·Granted Dec 12, 1989·8 cites·14 claims
- 1870US3988378AReaction product of mercaptans, alkylene oxides and glycidolCIBA GEIGY CORP·Filed 1975·Granted Oct 26, 1976·8 cites·10 claims
- 1965US5550276APhosphonic acid derivatives and thionophosphonic acid derivativesCIBA GEIGY CORP·Filed 1995·Granted Aug 27, 1996·13 cites·10 claims
- 2064US4743640AAlpha, beta-unsaturated carbonyl-containing carbonate stabilizers for chlorinated polymersCIBA GEIGY CORP·Filed 1986·Granted May 10, 1988·14 cites·6 claims
- 2163US4992504AEther-containing or thioether-containing 1,3-diketones and the use thereof as stabilizers for chlorine-containing polymersCIBA GEIGY CORP·Filed 1990·Granted Feb 12, 1991·12 cites·14 claims
- 2262US4889938A1,4-Oxathianones and 1,4-oxathiepanonesCIBA GEIGY CORP·Filed 1988·Granted Dec 26, 1989·13 cites·7 claims
- 2361US5073277ALubricants containing ammonium salts of methylphosphonic acidCIBA GEIGY CORP·Filed 1990·Granted Dec 17, 1991·5 cites·1 claims
- 2461US4732691ALubricant compositions, novel glucamine derivatives and complex compounds containing sameCIBA GEIGY CORP·Filed 1986·Granted Mar 22, 1988·10 cites·7 claims
- 2560US4962227AMethylphosphonic acid amine salt lubricant additivesCIBA GEIGY CORP·Filed 1989·Granted Oct 9, 1990·4 cites·6 claims
- 2660US4847457AMethylphosphonic acid amine salt lubricant additivesCIBA GEIGY CORP·Filed 1988·Granted Jul 11, 1989·4 cites·5 claims
- 2759US4245125ANovel adductsCIBA GEIGY CORP·Filed 1979·Granted Jan 13, 1981·4 cites·4 claims
- 2858US4931576AProcess for producing glycidyl thioethersCIBA GEIGY CORP·Filed 1988·Granted Jun 5, 1990·13 cites·7 claims
- 2958US4859354ANitrogen-containing additives for non-aqueous functional fluidsCIBA GEIGY CORP·Filed 1988·Granted Aug 22, 1989·5 cites·22 claims
- 3057US5059313AConveyor rake sieve with hook-like platesE & M MASCHINENBAU·Filed 1990·Granted Oct 22, 1991·24 cites·13 claims
- 3157US3936422AAnti-static modified thermoplasticsCIBA GEIGY CORP·Filed 1975·Granted Feb 3, 1976·10 cites·16 claims
- 3256US5618778AAdditives for lubricantsCIBA GEIGY CORP·Filed 1995·Granted Apr 8, 1997·13 cites·6 claims
- 3355US4210595AProcess for the production of organo-tin compoundsCIBA GEIGY CORP·Filed 1979·Granted Jul 1, 1980·3 cites·10 claims
- 3454US3931262AHydrophilic and difficultly volatile biocidal triorganotin compoundsCIBA GEIGY CORP·Filed 1974·Granted Jan 6, 1976·3 cites·34 claims
- 3553US4943381ANitrogen-containing additives for non-aqueous functional fluidsCIBA GEIGY CORP·Filed 1989·Granted Jul 24, 1990·10 cites·8 claims
- 3653US4778612ABoric acid complexesCIBA GEIGY CORP·Filed 1986·Granted Oct 18, 1988·8 cites·18 claims
- 3752US4147666AAdditives for lubricantsCIBA GEIGY AG·Filed 1977·Granted Apr 3, 1979·7 cites·14 claims
- 3851US4863621ASulfur-and nitrogen-containing lubricant additivesCIBA GEIGY CORP·Filed 1987·Granted Sep 5, 1989·9 cites·6 claims
- 3951US4188334AOrganotin compoundsCIBA GEIGY CORP·Filed 1978·Granted Feb 12, 1980·2 cites·6 claims
- 4050US3933877AHydrophilic and difficultly volatile biocidal triorganometallic compoundsCIBA GEIGY CORP·Filed 1974·Granted Jan 20, 1976·2 cites·8 claims
- 4149US5892051AAdditives for lubricantsCIBA SC HOLDING AG·Filed 1996·Granted Apr 6, 1999·9 cites·4 claims
- 4247US4246127AAdditives for lubricantsCIBA GEIGY CORP·Filed 1979·Granted Jan 20, 1981·5 cites·13 claims
- 4347US4196137AProcess for the production of organo-tin compoundsCIBA GEIGY CORP·Filed 1978·Granted Apr 1, 1980·2 cites·16 claims
- 4446US4925887ALatent hardeners for melamine resin moulding compositionsCIBA GEIGY CORP·Filed 1989·Granted May 15, 1990·6 cites·9 claims
- 4546US4830770AHydraulic fluid compositions, novel glucamine derivatives and complex compounds containing sameCIBA GEIGY CORP·Filed 1987·Granted May 16, 1989·5 cites·7 claims
- 4646US4808755ALubricant compositions, novel glucamine derivatives and complex compounds containing sameCIBA GEIGY CORP·Filed 1987·Granted Feb 28, 1989·3 cites·4 claims
- 4745US4369277APyrrole-stabilized chlorine-containing thermoplasticsCIBA GEIGY CORP·Filed 1981·Granted Jan 18, 1983·6 cites·9 claims
- 4844US4689162ABoron-containing compoundsCIBA GEIGY CORP·Filed 1985·Granted Aug 25, 1987·7 cites·7 claims
- 4943US4835310AReaction products of bisglycidyl thioethersCIBA GEIGY CORP·Filed 1987·Granted May 30, 1989·7 cites·14 claims
- 5043US4385147AStabilization of chlorine-containing thermoplastics with m-aminophenol derivativesCIBA GEIGY CORP·Filed 1981·Granted May 24, 1983·5 cites·11 claims
Showing the top 50 of 63 patent records by PatentIndex Score.
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