Inventor · disambiguated record
Udo Eckstein
Also filed as: ECKSTEIN UDO
23 granted patents·258 citations·filing 1977–1998
96Inventor score
Files withBAYER AG23
Top patents by PatentIndex Score
23 records- 0189US4670882ADyestuff laserBAYER AG·Filed 1982·Granted Jun 2, 1987·26 cites·7 claims
- 0287US4510311AWater-insoluble azolystyryl optical brightenersBAYER AG·Filed 1983·Granted Apr 9, 1985·21 cites·8 claims
- 0384US5097034ATriarylmethane color formersBAYER AG·Filed 1991·Granted Mar 17, 1992·20 cites·1 claims
- 0484US4326066ATriazolyl coumarin compounds, processes for their preparation and their use as whiteners and laser dyestuffsBAYER AG·Filed 1980·Granted Apr 20, 1982·24 cites·2 claims
- 0582US4317782ADistyryl compoundsBAYER AG·Filed 1979·Granted Mar 2, 1982·26 cites·3 claims
- 0680US5094688ATriarylmethane color-forming agentsBAYER AG·Filed 1988·Granted Mar 10, 1992·22 cites·9 claims
- 0778US4783196AHighly concentrated stable solutions of color-forming agents: for pressure-sensitive recording materialsBAYER AG·Filed 1987·Granted Nov 8, 1988·19 cites·5 claims
- 0875US6025490AProcess for the preparation of substituted 4,4'-diaminostilbene-2,2'-disulphonic acidsBAYER AG·Filed 1998·Granted Feb 15, 2000·21 cites·10 claims
- 0975US4923641AHighly concentrated stable solutions of color-forming agent: for pressure-sensitive recording materialsBAYER AG·Filed 1988·Granted May 8, 1990·16 cites·1 claims
- 1065US4888128APaper-coating slips containing fluorescent brightenersBAYER AG·Filed 1987·Granted Dec 19, 1989·23 cites·4 claims
- 1162US4166176AFluorescent dyestuffsBAYER AG·Filed 1978·Granted Aug 28, 1979·4 cites·6 claims
- 1258US4184977AFluorescent dyestuffsBAYER AG·Filed 1978·Granted Jan 22, 1980·4 cites·3 claims
- 1357US4140852ATriazinyl styryl-benzoxazole fluorescent dyestuffsBAYER AG·Filed 1977·Granted Feb 20, 1979·3 cites·4 claims
- 1455US4897223ATri-phenyl methyl color-forming agentsBAYER AG·Filed 1988·Granted Jan 30, 1990·7 cites·2 claims
- 1551US4812569AChromogenic phthalidesBAYER AG·Filed 1987·Granted Mar 14, 1989·4 cites·6 claims
- 1647US4610807ADistyryl compoundsBAYER AG·Filed 1984·Granted Sep 9, 1986·3 cites·7 claims
- 1741US5189188ABis(triarylmethane) compoundsBAYER AG·Filed 1990·Granted Feb 23, 1993·2 cites·5 claims
- 1840US6121444AProcess for preparing substituted 4,4'-diaminostilbene-2,2'-disulphonic acid saltsBAYER AG·Filed 1996·Granted Sep 19, 2000·5 cites·10 claims
- 1935US5233048ATriarylmethane color formersBAYER AG·Filed 1992·Granted Aug 3, 1993·1 cites·5 claims
- 2034US6248887B1Process for preparing bis-alkoxy-triazinyl-amino-containing stilbene disulphonic acids or their derivativesBAYER AG·Filed 1996·Granted Jun 19, 2001·4 cites·7 claims
- 2134US4563532AProcess for the preparation of Δ4 -1,3,4-oxadiazolin-2-one compoundsBAYER AG·Filed 1983·Granted Jan 7, 1986·0 cites·2 claims
- 2231US6339117B2Whitened polymers and the use thereof in coating slips for coating substratesBAYER AG·Filed 1998·Granted Jan 15, 2002·2 cites·15 claims
- 2329US6387296B1Optically brightened plastics for optically brightening paper-coating compounds and paper-coating compounds optically brightened in this mannerBAYER AG·Filed 1995·Granted May 14, 2002·1 cites·2 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →