Inventor · disambiguated record
Rutger Neeff
Also filed as: NEEFF RUETGER · NEEFF RUTGER · THIEM KARL-WERNER
50 granted patents·272 citations·filing 1973–1986
98Inventor score
Files withBAYER AG50
Top patents by PatentIndex Score
50 records- 0198US4225489AHeterocyclic azo dyes and pigments containing 4-quinazolinone moietiesBAYER AG·Filed 1977·Granted Sep 30, 1980·53 cites·4 claims
- 0282US4596666AAryl-mercapto anthraquinone dyestuffs, their preparation and use and dichroic material containing aryl-mercapto anthraquinone dyestuffsBAYER AG·Filed 1983·Granted Jun 24, 1986·15 cites·16 claims
- 0382US4585574AAnthraquinone dyestuffs, processes for their preparation, their use, and liquid-crystalline materials containing anthraquinone dyestuffsBAYER AG·Filed 1981·Granted Apr 29, 1986·20 cites·22 claims
- 0482US4284411AAnthraquinone derivatives for pigmenting organic macromolecular substancesBAYER AG·Filed 1979·Granted Aug 18, 1981·11 cites·11 claims
- 0580US4863634AAnthraquinone dyestuffsBAYER AG·Filed 1984·Granted Sep 5, 1989·13 cites·5 claims
- 0679US4260540AAzo dye pigments containing 4-quinazolinone moietiesBAYER AG·Filed 1979·Granted Apr 7, 1981·10 cites·6 claims
- 0776US4709019AAnthraquinone-azo pyridone-containing compoundsBAYER AG·Filed 1983·Granted Nov 24, 1987·10 cites·4 claims
- 0874US4294769AProcess for the preparation of 1,4-diamino-2,3-dicyano-anthraquinonesBAYER AG·Filed 1980·Granted Oct 13, 1981·11 cites·10 claims
- 0966US4666526AAzine pigments, processes for their preparation, and their useBAYER AG·Filed 1985·Granted May 19, 1987·8 cites·14 claims
- 1066US4246401AAxomethine pigmentsBAYER AG·Filed 1979·Granted Jan 20, 1981·6 cites·7 claims
- 1165US4435589AProcess for the preparation of dimethyl succinylosuccinate, the disodium salt thereof, dianilinodihydroterephthalic acids, the dimethyl esters and salts thereof, and dianilinoterephthalic acids, and the dimethyl esters and salts thereofBAYER AG·Filed 1982·Granted Mar 6, 1984·7 cites·14 claims
- 1261US4721745APigments based on metal complexesBAYER AG·Filed 1986·Granted Jan 26, 1988·6 cites·10 claims
- 1361US4689171AAnthraquinone dyestuffs, their preparation and use and dichroic material containing these anthraquinone dyestuffsBAYER AG·Filed 1985·Granted Aug 25, 1987·17 cites·13 claims
- 1461US4564680AIsoindolazinesBAYER AG·Filed 1983·Granted Jan 14, 1986·6 cites·5 claims
- 1561US4288362AMonoazo pigments containing a quinazo linonylacetoacetanilide coupling componentBAYER AG·Filed 1979·Granted Sep 8, 1981·5 cites·4 claims
- 1660US4014647AExhaust process for the dyeing of synthetic fibre materialsBAYER AG·Filed 1975·Granted Mar 29, 1977·5 cites·7 claims
- 1760US3933867AProcess for the preparation of 1-aminoanthraquinoneBAYER AG·Filed 1974·Granted Jan 20, 1976·4 cites·6 claims
- 1856US4628093ARed nickel azine pigmentBAYER AG·Filed 1984·Granted Dec 9, 1986·4 cites·3 claims
- 1956US3980427AExhaust process for the dyeing of synthetic fiber materialsBAYER AG·Filed 1975·Granted Sep 14, 1976·4 cites·12 claims
- 2055US4422973AProcess for the preparation of 1,4-diamino-2,3-dicyano-anthraquinoneBAYER AG·Filed 1981·Granted Dec 27, 1983·4 cites·10 claims
- 2154US3963763AAnthraquinone dyestuffsBAYER AG·Filed 1974·Granted Jun 15, 1976·4 cites·5 claims
- 2253US4285874A1-Isocyanato-anthraquinonesBAYER AG·Filed 1979·Granted Aug 25, 1981·3 cites·4 claims
- 2353US4163747AProcess for the preparation of 1-alkylamino-anthraquinonesBAYER AG·Filed 1978·Granted Aug 7, 1979·3 cites·10 claims
- 2452US3969374AProcess for preparing amino-anthraquinonesBAYER AG·Filed 1975·Granted Jul 13, 1976·3 cites·19 claims
- 2550US3959317AProcess for the preparation of 1-nitroanthraquinoneBAYER AG·Filed 1975·Granted May 25, 1976·3 cites·5 claims
- 2650US3933868AProcess for the preparation of 1,5- and 1,8-diamino-anthraquinoneBAYER AG·Filed 1974·Granted Jan 20, 1976·3 cites·4 claims
- 2749US4556401AProcess for dyeing amide-containing fibre materialsBAYER AG·Filed 1984·Granted Dec 3, 1985·6 cites·2 claims
- 2847US4614547AAzine pigmentsBAYER AG·Filed 1985·Granted Sep 30, 1986·3 cites·9 claims
- 2945US4031116AProcess for preparing pure 1-nitroanthraquinoneBAYER AG·Filed 1976·Granted Jun 21, 1977·2 cites·19 claims
- 3045US4003924AProcess for preparing 1-amino anthraquinoneBAYER AG·Filed 1975·Granted Jan 18, 1977·2 cites·13 claims
- 3143US4309221AAnthraquinone derivativesBAYER AG·Filed 1979·Granted Jan 5, 1982·2 cites·10 claims
- 3243US4278434ATransfer printing process and printing inks and temporary supports for carrying out this processBAYER AG·Filed 1980·Granted Jul 14, 1981·4 cites·10 claims
- 3343US3980609AProcess for the bulk dyeing of polyestersBAYER AG·Filed 1975·Granted Sep 14, 1976·4 cites·5 claims
- 3439US3996252APreparation of pure 1,8-dinitroanthraquinoneBAYER AG·Filed 1976·Granted Dec 7, 1976·1 cites·11 claims
- 3539US3996251APreparation of pure 1,5-dinitroanthraquinoneBAYER AG·Filed 1976·Granted Dec 7, 1976·1 cites·10 claims
- 3635US4344827AProcess for working up nitric acidBAYER AG·Filed 1980·Granted Aug 17, 1982·5 cites·10 claims
- 3734US4323671AAnthraquinone derivatives, processes for their preparation, processes for pigmenting organic macromolecular substances, and pigmented organic macromolecular materialBAYER AG·Filed 1980·Granted Apr 6, 1982·1 cites·2 claims
- 3834US4290768AProcess for dyeing and printing cellulose fibresBAYER AG·Filed 1980·Granted Sep 22, 1981·1 cites·1 claims
- 3934US4264511AAnthraquinone compoundsBAYER AG·Filed 1979·Granted Apr 28, 1981·0 cites·12 claims
- 4033US4294578AColorantsBAYER AG·Filed 1979·Granted Oct 13, 1981·0 cites·4 claims
- 4133US4102906AProcess for preparing α-amino-β'-nitroanthraquinonesBAYER AG·Filed 1976·Granted Jul 25, 1978·0 cites·11 claims
- 4233US4035398AAnthraquinone dyestuffsBAYER AG·Filed 1975·Granted Jul 12, 1977·0 cites·10 claims
- 4332US3957822AAnthraquinone dyestuffsBAYER AG·Filed 1974·Granted May 18, 1976·0 cites·7 claims
- 4431US4334068AProcess for the preparation of triazinylamino-anthraquinonesBAYER AG·Filed 1980·Granted Jun 8, 1982·0 cites·4 claims
- 4530US4389215AAnthraquinone-azomethine compounds, processes for their preparation and processes for dyeing synthetic fibre materials and for pigmenting organic macromolecular substancesBAYER AG·Filed 1981·Granted Jun 21, 1983·0 cites·6 claims
- 4630US4323670AAnthraquinone-azomethine compounds, processes for their preparation and processes for pigmenting organic macromolecular substancesBAYER AG·Filed 1980·Granted Apr 6, 1982·0 cites·3 claims
- 4730US4319025AAnthraquinone-azomethine compounds, processes for their preparation and processes for dyeing synthetic fibre materials and for pigmenting organic macromolecular substancesBAYER AG·Filed 1980·Granted Mar 9, 1982·1 cites·3 claims
- 4830US4096111ABulk dyeing of polyestersBAYER AG·Filed 1976·Granted Jun 20, 1978·0 cites·6 claims
- 4930US4017524AAnthraquinone dyestuffsBAYER AG·Filed 1975·Granted Apr 12, 1977·1 cites·5 claims
- 5030US3931252AProcess for the preparation of pure 1-nitroanthraquinoneBAYER AG·Filed 1973·Granted Jan 6, 1976·0 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →