Inventor · disambiguated record
Hartmut Wiezer
Also filed as: KNORR HARALD · KORBANKA HELMUT · MAYER NORBERT · WIEZER HARTMUT
41 granted patents·433 citations·filing 1976–2009
98Inventor score
Top patents by PatentIndex Score
41 records- 0196US4340534AEthers based on polyalkyl-1-oxadiazaspirodecanesHOECHST AG·Filed 1980·Granted Jul 20, 1982·49 cites·13 claims
- 0292US4110334ADerivatives of 1-oxa-3,8-diaza-spiro-[4,5]-decanesHOECHST AG·Filed 1977·Granted Aug 29, 1978·24 cites·6 claims
- 0391US4433145ATriazine stabilizersHOECHST AG·Filed 1980·Granted Feb 21, 1984·25 cites·1 claims
- 0488US4335242ATriazine derivativesHOECHST AG·Filed 1980·Granted Jun 15, 1982·44 cites·2 claims
- 0586US4689416AProcess for the preparation of 1-oxa-3,8-diaza-4-oxo-spiro(4.5)decane compoundsHOECHST AG·Filed 1986·Granted Aug 25, 1987·26 cites·6 claims
- 0686US4405735ASubstituted diazaspirodecanes, their preparation and their use as stabilizers for organic polymers, and the polymers thus stabilizedHOECHST AG·Filed 1982·Granted Sep 20, 1983·37 cites·4 claims
- 0782US4107139A1-Oxa-4,8-diazaspiro[4,5]decanes and polymers stabilized against UV light with these compoundsHOECHST AG·Filed 1977·Granted Aug 15, 1978·11 cites·9 claims
- 0877US4308362ACopolymers of substituted piperidines, their manufacture and useHOECHST AG·Filed 1980·Granted Dec 29, 1981·24 cites·2 claims
- 0975US8563129B2Polysilazane-containing coatings for increasing the conversion efficiency of encapsulated solar cellsRODE KLAUS·Filed 2009·Granted Oct 22, 2013·6 cites·25 claims
- 1073US4247449AUrea derivatives, process for their manufacture and their use as light protecting agents for polymersHOECHST AG·Filed 1979·Granted Jan 27, 1981·7 cites·5 claims
- 1170US4220773AProcess for the manufacture of aza-spirodecanesHOECHST AG·Filed 1979·Granted Sep 2, 1980·6 cites·3 claims
- 1269US4207270APhosphites of polyalcoholsHOECHST AG·Filed 1978·Granted Jun 10, 1980·6 cites·1 claims
- 1369US4082723AAza-adamantane compound stabilizers for organic polymer compositionsHOECHST AG·Filed 1976·Granted Apr 4, 1978·13 cites·3 claims
- 1468US4376836ATriazylaminotriazines, their preparation and their use for stabilizing synthetic polymersHOECHST AG·Filed 1981·Granted Mar 15, 1983·16 cites·9 claims
- 1568US4239891ASubstituted piperidine hydroxamides, their preparation, and their use as light stabilizersHOECHST AG·Filed 1978·Granted Dec 16, 1980·5 cites·1 claims
- 1668US4229382AGlycerol phosphites esterified with phenolcarboxylic acidsHOECHST AG·Filed 1979·Granted Oct 21, 1980·6 cites·3 claims
- 1767US4356308AProcess for the preparation of 2,2,6,6-tetramethylpiperidone-4HOECHST AG·Filed 1981·Granted Oct 26, 1982·6 cites·8 claims
- 1866US5085669AProcess for stabilizing a leuco-dye solution by means of a piperidine derivativeHOECHST AG·Filed 1989·Granted Feb 4, 1992·7 cites·14 claims
- 1963US4319030AAlkylated diaza-spirodecanesHOECHST AG·Filed 1980·Granted Mar 9, 1982·14 cites·1 claims
- 2062US4104251ASubstituted tetraalkylpiperidone-4-oximesHOECHST AG·Filed 1976·Granted Aug 1, 1978·4 cites·6 claims
- 2161US4496726APolytriazinyl alcohols, esters and urethanes, a process for their preparationWIEZER HARTMUT·Filed 1982·Granted Jan 29, 1985·7 cites·3 claims
- 2260US4562220APolyalkyldiazaspirodecanylacetic acid derivatives, a process for their preparation and their use as light stabilizers for organic polymersHOECHST AG·Filed 1983·Granted Dec 31, 1985·4 cites·11 claims
- 2358US4162247ABis-(alkylphenyl)-alkanecarboxylic acid hydrazides, their preparation and useHOECHST AG·Filed 1978·Granted Jul 24, 1979·4 cites·6 claims
- 2456US4191684AUrea derivatives, their preparation, and their use as light stabilizersHOECHST AG·Filed 1978·Granted Mar 4, 1980·3 cites·5 claims
- 2556US4168260AN-substituted triaza-adamantanyl ureas as stabilizers for thermoplastic materialsHOECHST AG·Filed 1978·Granted Sep 18, 1979·8 cites·5 claims
- 2655US4940647APhotopolymerizable compositions a leuco dye and a leuco dye stabilizerHOECHST AG·Filed 1988·Granted Jul 10, 1990·15 cites·27 claims
- 2755US4526966APolyalkyldiazaspirodecane derivativesHOECHST AG·Filed 1983·Granted Jul 2, 1985·3 cites·3 claims
- 2855US4476302AHigh-molecular esters and urethanes containing piperidine groups, a process for their preparationHOECHST AG·Filed 1982·Granted Oct 9, 1984·11 cites·4 claims
- 2954US4409348APoly-bis-triazinylaminotriazinylamines, their preparation and their use as light stabilizers for plastics, and plastics which have been stabilized with themHOECHST AG·Filed 1982·Granted Oct 11, 1983·9 cites·5 claims
- 3049US4504661APolytriazinylamines, process for their preparationHOECHST AG·Filed 1981·Granted Mar 12, 1985·8 cites·6 claims
- 3148US8482106B2Method for producing ceramic passivation layers on silicon for solar cell manufactureRODE KLAUS·Filed 2009·Granted Jul 9, 2013·0 cites·9 claims
- 3245US4097452A14-Substituted 7,15-diazadispiro- 5.1.5.3!-hexadecanes as UV stabilizersHOECHST AG·Filed 1977·Granted Jun 27, 1978·4 cites·7 claims
- 3344US4267322AProcess for the manufacture of 7-nitro-1,3,5-triaza-adamantaneHOECHST AG·Filed 1979·Granted May 12, 1981·1 cites·4 claims
- 3441US4093592ANovel phenolic antioxidants, their preparation and their useHOECHST AG·Filed 1977·Granted Jun 6, 1978·6 cites·5 claims
- 3538US4471417APoly-bis-triazinylimides, their preparationHOECHST AG·Filed 1982·Granted Sep 11, 1984·4 cites·3 claims
- 3637US4451400APhosphazenes useful as stabilizers in polymersHOECHST AG·Filed 1982·Granted May 29, 1984·5 cites·1 claims
- 3736US5648535AProcess for preparing acyl aminophenolsHOECHST CELANESE CORP·Filed 1995·Granted Jul 15, 1997·1 cites·31 claims
- 3834US4223148APolyalkyl-piperidine diols and process for their preparationHOECHST AG·Filed 1979·Granted Sep 16, 1980·0 cites·5 claims
- 3934US4142047ASubstituted triazaadmantane compoundsHOECHST AG·Filed 1977·Granted Feb 27, 1979·1 cites·3 claims
- 4032US4234471ANovel polyalkyl-piperidine polymers, their preparation and useHOECHST AG·Filed 1979·Granted Nov 18, 1980·2 cites·4 claims
- 4130US5182187ARadiation-polymerizable composition and recording material prepared from this compositionHOECHST AG·Filed 1990·Granted Jan 26, 1993·1 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →