Inventor · disambiguated record
Fritz Lange
Also filed as: LANGE FRITZ · LANGE FRITZ W · LANGE FRITZ-WALTER
19 granted patents·975 citations·filing 1975–1991
95Inventor score
Top patents by PatentIndex Score
19 records- 0198US4874554AQuaternary ammonium compoundsHENKEL KGAA·Filed 1987·Granted Oct 17, 1989·725 cites·5 claims
- 0285US4069336A(2-oxo-pyrrolidines)-acetic hydrazidesCHEMISCHES LAB FRITZ WALTER LA·Filed 1976·Granted Jan 17, 1978·13 cites·5 claims
- 0384US4650865AProcess for preparing tertiary ether aminesHENKEL KGAA·Filed 1986·Granted Mar 17, 1987·21 cites·11 claims
- 0483US4832868ALiquid surfactant mixturesHENKEL KGAA·Filed 1987·Granted May 23, 1989·40 cites·7 claims
- 0579US5164124AAlkaline earth metal salts of vicinally hydroxy, alkoxy-substituted C16 -C22 fatty acids, a process for their production and their use as alkoxylation catalystsHENKEL KGAA·Filed 1988·Granted Nov 17, 1992·15 cites·11 claims
- 0674US4820436ADetergents for low laundering temperaturesHENKEL KGAA·Filed 1986·Granted Apr 11, 1989·36 cites·7 claims
- 0767US4919923ACosmetic emulsions having improved flow behaviorHENKEL KGAA·Filed 1989·Granted Apr 24, 1990·30 cites·18 claims
- 0865US4883604ASmoothing compositions for textile fibers containing dialkyl ethers of (poly)alkylene glycolsHENKEL KGAA·Filed 1988·Granted Nov 28, 1989·21 cites·15 claims
- 0957US4820511AHair care and aftertreatment preparationsHENKEL KGAA·Filed 1987·Granted Apr 11, 1989·20 cites·13 claims
- 1052US4745231AAlkylene oxide block polymers usable as defoamersHENKEL KGAA·Filed 1986·Granted May 17, 1988·14 cites·14 claims
- 1149US5114428AHair dye preparationHENKEL KGAA·Filed 1989·Granted May 19, 1992·13 cites·20 claims
- 1247US4621573AApparatus for cleaning fruits and vegetablesLANGE FRITZ·Filed 1984·Granted Nov 11, 1986·14 cites·12 claims
- 1347US4010160AProcess for the manufacture of 1,3-bis-(β-ethylhexyl)-5-amino-5-methyl-hexahydropyrimidineMEDITEST INST·Filed 1975·Granted Mar 1, 1977·3 cites·5 claims
- 1443US4123548A(2-Oxo-pyrrolidines)-acetic hydrazidesCHEMISCHES LAB FRITZ WALTER LA·Filed 1977·Granted Oct 31, 1978·1 cites·2 claims
- 1539US4784801AHair treatment preparationsHENKEL KGAA·Filed 1987·Granted Nov 15, 1988·7 cites·9 claims
- 1630US5304669AProcess for the production of alkyl sulfate pastes having improved flow propertiesHENKEL KGAA·Filed 1991·Granted Apr 19, 1994·2 cites·8 claims
- 1730US4357277ANovel process for the preparation of N,N'-bisacyl hydrazidesRUETGERSWERKE AG·Filed 1981·Granted Nov 2, 1982·0 cites·9 claims
- 1830US4332728AProcess for the preparation of bisacyl hydrazinesRUETGERSWERKE AG·Filed 1981·Granted Jun 1, 1982·0 cites·7 claims
- 1926US4048169A1,3-Bis-(β-ethylhexyl)-5-nitro-5-methyl-hexahydropyrimidine-naphthalene-1,5-disulphonateMEDITEST INST·Filed 1976·Granted Sep 13, 1977·0 cites·1 claims
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