Inventor · disambiguated record
Klaus Hestermann
Also filed as: HESTERMANN KLAUS
20 granted patents·89 citations·filing 1975–1980
93Inventor score
Files withHOECHST AG20
Top patents by PatentIndex Score
20 records- 0181US4122123AProduction of quaternary phosphonium halidesHOECHST AG·Filed 1975·Granted Oct 24, 1978·13 cites·13 claims
- 0266US4294621AProduction of an anticorrosive pigment on phosphate basisHOECHST AG·Filed 1980·Granted Oct 13, 1981·15 cites·8 claims
- 0363US4073810AProduction of organophosphinesHOECHST AG·Filed 1975·Granted Feb 14, 1978·5 cites·18 claims
- 0455US4337092ACorrosion-inhibiting pigment and paint compositionHOECHST AG·Filed 1980·Granted Jun 29, 1982·13 cites·5 claims
- 0552US3998886AProduction of halogen-containing tertiary phosphine oxidesHOECHST AG·Filed 1975·Granted Dec 21, 1976·3 cites·13 claims
- 0649US4308158ADetergent and cleaning compositions containing polymeric phosphate buildersHOECHST AG·Filed 1979·Granted Dec 29, 1981·11 cites·6 claims
- 0747US4020110AProduction of tertiary methylphosphine oxidesHOECHST AG·Filed 1975·Granted Apr 26, 1977·2 cites·4 claims
- 0846US3997611AProduction of tertiary phosphine oxidesHOECHST AG·Filed 1975·Granted Dec 14, 1976·2 cites·9 claims
- 0945US4091012AProduction of tertiary phosphine oxidesHOECHST AG·Filed 1977·Granted May 23, 1978·2 cites·7 claims
- 1043US4150058AProduction of alkyl phosphinesHOECHST AG·Filed 1978·Granted Apr 17, 1979·5 cites·11 claims
- 1136US4265776ADetergent and cleaning compositionsHOECHST AG·Filed 1980·Granted May 5, 1981·5 cites·1 claims
- 1236US4156697AProduction of alkylphosphinesHOECHST AG·Filed 1977·Granted May 29, 1979·3 cites·10 claims
- 1336US4076755AProduction of hydroxyalkylphosphine oxidesHOECHST AG·Filed 1976·Granted Feb 28, 1978·5 cites·16 claims
- 1435US4136155AProduction of phosphineHOECHST AG·Filed 1978·Granted Jan 23, 1979·2 cites·9 claims
- 1533US4189449AProduction of quaternary phosphonium hydroxidesHOECHST AG·Filed 1978·Granted Feb 19, 1980·1 cites·6 claims
- 1633US4118590APhosphorbetaines and process for making themHOECHST AG·Filed 1976·Granted Oct 3, 1978·0 cites·15 claims
- 1731US4028421AProduction of tertiary (hydroxymethyl)-methylphosphine oxidesHOECHST AG·Filed 1975·Granted Jun 7, 1977·0 cites·3 claims
- 1830US3980711AProduction of methylphosphine oxidesHOECHST AG·Filed 1975·Granted Sep 14, 1976·0 cites·9 claims
- 1929US4091078AProduction of phosphineHOECHST AG·Filed 1976·Granted May 23, 1978·2 cites·7 claims
- 2029US4080384AProduction of (hydroxymethyl)-alkyl, cycloalkyl and aralkylphosphinesHOECHST AG·Filed 1975·Granted Mar 21, 1978·0 cites·4 claims
Join the waitlist — get patent alerts
Get an alert when Klaus Hestermann files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →