Inventor · disambiguated record
Karlfried Wedemeyer
Also filed as: EVERTZ WERNER · FIEGE HELMUT · MOLLEKEN REINER · WEDEMEYER KARLFRIED
65 granted patents·468 citations·filing 1973–1989
99Inventor score
Top patents by PatentIndex Score
65 records- 0195US4820871AProcess for the preparation of N,N-diaryl-ureasBAYER AG·Filed 1987·Granted Apr 11, 1989·55 cites·10 claims
- 0294US4489210AProcess for the halogenation of organic compoundsBAYER AG·Filed 1982·Granted Dec 18, 1984·45 cites·14 claims
- 0384US4013473ARecording materials and image receiving materials for producing copies in a dry wayAGFA GEVAERT NV·Filed 1975·Granted Mar 22, 1977·17 cites·13 claims
- 0483US4304940APreparation of 2-alkyl- and 2-aryl-thiomethylphenolsBAYER AG·Filed 1980·Granted Dec 8, 1981·17 cites·9 claims
- 0582US4358616AProcess for the preparation of alkylthiomethylphenols and arylthiomethylphenolsBAYER AG·Filed 1980·Granted Nov 9, 1982·16 cites·29 claims
- 0681US4238625AProcess for the preparation of aryloxyacetic acidBAYER AG·Filed 1979·Granted Dec 9, 1980·13 cites·19 claims
- 0780US4192959AProcess for the preparation of pure 2-hydroxybenzyl alcohol, pure 4-hydroxybenzyl alcohol or a mixture of both hydroxy-benzyl alcoholsHAARMANN & REIMER GMBH·Filed 1978·Granted Mar 11, 1980·13 cites·15 claims
- 0879US4851596AProcess for nucleus-chlorination of aromatic hydrocarbonsBAYER AG·Filed 1988·Granted Jul 25, 1989·15 cites·18 claims
- 0979US4085141AProcess for the preparation of anilines meta-substituted by chlorineBAYER AG·Filed 1976·Granted Apr 18, 1978·13 cites·30 claims
- 1078US4119671AProcess for the preparation of hydroxybenzaldehydesBAYER AG·Filed 1977·Granted Oct 10, 1978·11 cites·8 claims
- 1178US4088643AProcess for the production of azodicarbonamideBAYER AG·Filed 1976·Granted May 9, 1978·12 cites·14 claims
- 1277US4404400AProcess for the preparation of 4-nitrodiphenylaminesBAYER AG·Filed 1982·Granted Sep 13, 1983·13 cites·12 claims
- 1375US4086283AProcess for preparing thymolBAYER AG·Filed 1976·Granted Apr 25, 1978·10 cites·5 claims
- 1473US4650910AProcess for the preparation of substituted styrenesBAYER AG·Filed 1986·Granted Mar 17, 1987·12 cites·7 claims
- 1571US4827057AProcess for preparing 1,2-dichlorobenzeneBAYER AG·Filed 1988·Granted May 2, 1989·9 cites·17 claims
- 1671US4544372AProcess for improving the light fastness of polyamide dyeingsBAYER AG·Filed 1983·Granted Oct 1, 1985·16 cites·8 claims
- 1770US4588433APhenoxymethane derivatives for regulating plant growthBAYER AG·Filed 1984·Granted May 13, 1986·7 cites·28 claims
- 1865US3954889AProcess for the production of 1,1,3,3-substituted hydroxyindanesBAYER AG·Filed 1974·Granted May 4, 1976·6 cites·11 claims
- 1963US4366325AProcess for the preparation of 3-phenoxy-benzaldehydesBAYER AG·Filed 1980·Granted Dec 28, 1982·16 cites·11 claims
- 2062US4275241AProcess for the preparation of 3-phenoxy-benzaldehydesBAYER AG·Filed 1979·Granted Jun 23, 1981·5 cites·11 claims
- 2161US4294715AImpregnating agent and its useBAYER AG·Filed 1979·Granted Oct 13, 1981·15 cites·5 claims
- 2259US4150243AProcess for the dealkylation of tert.-alkyl substituted phenolsBAYER AG·Filed 1976·Granted Apr 17, 1979·5 cites·20 claims
- 2359US4144400AProcess for the continuous preparation of di-tertiary butylcresolsBAYER AG·Filed 1976·Granted Mar 13, 1979·5 cites·9 claims
- 2459US4045499AProcess for the preparation of 1,1,3,3-substituted hydroxy indanesBAYER AG·Filed 1974·Granted Aug 30, 1977·5 cites·9 claims
- 2558US4218380AProcess for the preparation of arylglyoxylic acidsBAYER AG·Filed 1979·Granted Aug 19, 1980·4 cites·31 claims
- 2657US4107324AIndan-5-yl-N-methylcarbamic acid estersBAYER AG·Filed 1977·Granted Aug 15, 1978·4 cites·8 claims
- 2755US4670608APreparation of 2,4-dichloro-3-alkyl-6-nitrophenolsBAYER AG·Filed 1986·Granted Jun 2, 1987·5 cites·10 claims
- 2855US4401833AProcess for the preparation of 4-chloro-2,6-dialkylanilinesBAYER AG·Filed 1981·Granted Aug 30, 1983·4 cites·20 claims
- 2955US4113975AProcess for purifying alkylphenolzBAYER AG·Filed 1977·Granted Sep 12, 1978·4 cites·16 claims
- 3055US3968173AProcess for the preparation of 5-isopropyl-3-methyl-phenolBAYER AG·Filed 1973·Granted Jul 6, 1976·4 cites·8 claims
- 3154US4238629AProcess for the preparation of a mixture of 2-and 4-hydroxybenzyl alcoholBAYER AG·Filed 1979·Granted Dec 9, 1980·3 cites·4 claims
- 3253US4701515AThermotropic aromatic polyester from 3,3'-diphenyl-4,4'-dihydroxy biphenyl and arylene dicarboxylic acidBAYER AG·Filed 1986·Granted Oct 20, 1987·8 cites·15 claims
- 3353US3978131AProcess for preparing 4-amino-diphenylamineBAYER AG·Filed 1974·Granted Aug 31, 1976·5 cites·9 claims
- 3452US4326080AProcess for the preparation of 4-amino-diphenylaminesBAYER AG·Filed 1980·Granted Apr 20, 1982·4 cites·10 claims
- 3549US4426538AProcess for the preparation of optionally p-chlorine-substituted 2,6-diaminotolueneBAYER AG·Filed 1982·Granted Jan 17, 1984·3 cites·25 claims
- 3649US4034042AProcess for the production of 4-nitroso-diphenylamineBAYER AG·Filed 1973·Granted Jul 5, 1977·10 cites·6 claims
- 3748US4221719AProcess for the preparation of arylglyoxylic acidsBAYER AG·Filed 1979·Granted Sep 9, 1980·2 cites·30 claims
- 3848US4012442AProcess for preparing M-chlorobenzene sulphonyl chlorideBAYER AG·Filed 1975·Granted Mar 15, 1977·3 cites·5 claims
- 3947US4460788AProcess for preparation of anilines which are m-substituted by chlorineBAYER AG·Filed 1982·Granted Jul 17, 1984·3 cites·10 claims
- 4047US4228181ACombating pests with 3,3-dimethylindan-5-yl N-alkyl-carbamic acid estersBAYER AG·Filed 1978·Granted Oct 14, 1980·2 cites·9 claims
- 4145US4755609AProcess for the preparation of thiocyanatomethylthiobenzothiazolesBAYER AG·Filed 1986·Granted Jul 5, 1988·2 cites·6 claims
- 4245US4496763AProcess for the preparation of alkyl-substituted anilinesBAYER AG·Filed 1982·Granted Jan 29, 1985·3 cites·18 claims
- 4344US4060562AProcess for preparing meta-substituted halophenolsBAYER AG·Filed 1975·Granted Nov 29, 1977·6 cites·11 claims
- 4443US4609760AProcess for the preparation of 2,6-xylidineBAYER AG·Filed 1981·Granted Sep 2, 1986·3 cites·14 claims
- 4542US4594467APreparation of 3,5-dichloro-α-methylstyreneBAYER AG·Filed 1985·Granted Jun 10, 1986·2 cites·7 claims
- 4642US4429156AProcess for the preparation of m-halogen-substituted anilinesBAYER AG·Filed 1981·Granted Jan 31, 1984·2 cites·25 claims
- 4742US4193937AProcess for preparing 3-chloro- and 3,5-dichloro-anilinesBAYER AG·Filed 1978·Granted Mar 18, 1980·6 cites·24 claims
- 4840US4760209AProcess for preparing 3,5-dichloro-α-methylstyreneBAYER AG·Filed 1986·Granted Jul 26, 1988·2 cites·17 claims
- 4939US4370505A1,1,3,3-Substituted hydroxyindanesBAYER AG·Filed 1977·Granted Jan 25, 1983·1 cites·11 claims
- 5038US4628097AProcess for the preparation of 2-amino-alkylpyridinesBAYER AG·Filed 1984·Granted Dec 9, 1986·1 cites·3 claims
Showing the top 50 of 65 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →