Inventor · disambiguated record
Dietrich Lach
Also filed as: LACH DIETRICH · MAGERKURTH BERNHARD
19 granted patents·97 citations·filing 1976–1992
93Inventor score
Files withBASF AG19
Top patents by PatentIndex Score
19 records- 0172US4888412ATanning assistantBASF AG·Filed 1988·Granted Dec 19, 1989·18 cites·4 claims
- 0263US4272243ADyeing of grain leatherBASF AG·Filed 1979·Granted Jun 9, 1981·6 cites·3 claims
- 0361US4596581ACarboxyl- and amino-containing copolymer for after-tanning mineral tanned leatherBASF AG·Filed 1985·Granted Jun 24, 1986·13 cites·1 claims
- 0460US5296531APigment preparationsBASF AG·Filed 1992·Granted Mar 22, 1994·13 cites·15 claims
- 0557US4042604AIsolation of dinitroanthraquinone having a high content of α,α-dBASF AG·Filed 1976·Granted Aug 16, 1977·4 cites·8 claims
- 0655US4403993APreparation of water-soluble or self-dispersing resin tanning agentsBASF AG·Filed 1982·Granted Sep 13, 1983·8 cites·10 claims
- 0752US4563520AMetal complexes of dis- or trisazo compounds containing a middle component twice substituted by hydroxy and/or aminoBASF AG·Filed 1982·Granted Jan 7, 1986·4 cites·6 claims
- 0852US4491543ADis-, tris-, and tetrakisazo compounds containing resorcinol, sulfonylamino, and two or three sulfonic acid groupsBASF AG·Filed 1982·Granted Jan 1, 1985·4 cites·14 claims
- 0949US4053488ASeparation of 1,5-dinitroanthraquinone and 1,8-dinitroanthraquinoneBASF AG·Filed 1976·Granted Oct 11, 1977·3 cites·9 claims
- 1048US4936864ACondensates of bis-(4-hydroxyphenyl) sulfone as tanning assistants, their preparation and use in the tanning of leatherBASF AG·Filed 1988·Granted Jun 26, 1990·6 cites·8 claims
- 1145US4213760ADeliming of hidesBASF AG·Filed 1979·Granted Jul 22, 1980·4 cites·3 claims
- 1241US4377387ADeliming hidesBASF AG·Filed 1982·Granted Mar 22, 1983·3 cites·4 claims
- 1340US4629616ABasic chromium aluminum sulfates and their preparationBASF AG·Filed 1984·Granted Dec 16, 1986·3 cites·3 claims
- 1438US4390340ATanning agent, its preparation and its use for retanningBASF AG·Filed 1981·Granted Jun 28, 1983·4 cites·14 claims
- 1534US4322210AAuxiliary, and process, for the soaking of hidesBASF AG·Filed 1980·Granted Mar 30, 1982·1 cites·12 claims
- 1632US4474695AComplex dye mixture containing at least two cobalt 1:2 complexes of azo dyesBASF AG·Filed 1981·Granted Oct 2, 1984·0 cites·7 claims
- 1730US4908239AFinishing of leatherBASF AG·Filed 1988·Granted Mar 13, 1990·2 cites·11 claims
- 1830US4675021AAmphoteric condensates and their use in retanningBASF AG·Filed 1985·Granted Jun 23, 1987·1 cites·2 claims
- 1929US4729768ADeliming of hides and use of cyclic esters of sulfurous acid as deliming agentsBASF AG·Filed 1986·Granted Mar 8, 1988·0 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →