Inventor · disambiguated record
Johannes Dehnert
Also filed as: DEHNERT JOHANNES · DEHNERT JOHANNES DR · KURTZ WALTER · LAMM GUNTHER DR
31 granted patents·372 citations·filing 1971–1989
97Inventor score
Files withBASF AG31
Top patents by PatentIndex Score
31 records- 0197US4042578AAzo dyes having 2,6-diaminopyridine derivatives as coupling componentsBASF AG·Filed 1973·Granted Aug 16, 1977·38 cites·8 claims
- 0297US3998802AAzo dye with a 3-cyano- or 3-carbamoyl-4-methyl-2,6-diamino-pyridine coupling componentBASF AG·Filed 1974·Granted Dec 21, 1976·39 cites·16 claims
- 0396US3950321ADisperse azo dyes of the 2,6-diaminopyridine seriesBASF AG·Filed 1973·Granted Apr 13, 1976·34 cites·2 claims
- 0495US4128545AAzo dyes with 2,6-diamino-pyridine coupling componentBASF AG·Filed 1973·Granted Dec 5, 1978·30 cites·10 claims
- 0595US4016152AAzo dye with a 2,6-diamino-5-cyano-or-5-carbamoyl-pyridine coupling componentBASF AG·Filed 1974·Granted Apr 5, 1977·30 cites·14 claims
- 0693US3979378AWater-soluble azo dyes having a substituted 2-hydroxypyridone (6) coupling componentBASF AG·Filed 1971·Granted Sep 7, 1976·28 cites·2 claims
- 0790US4855413AHeterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling componentsBASF AG·Filed 1988·Granted Aug 8, 1989·25 cites·6 claims
- 0888US4315756AOil-soluble azo dye with N-substituted β-naphthylamine as coupling componentBASF AG·Filed 1974·Granted Feb 16, 1982·15 cites·13 claims
- 0988US4146535AAzo dyes having a 3-cyano- or 3-carbamoyl-2,6-diamino-pyridine coupling componentBASF AG·Filed 1976·Granted Mar 27, 1979·14 cites·1 claims
- 1087US4855412ADiaminopyridine azo dyes having acyloxy radicals substituted on the diaminopyridineBASF AG·Filed 1987·Granted Aug 8, 1989·22 cites·2 claims
- 1187USRE29640ECertain substituted 2,6-diamino-4-methyl-nicotinitriles the corresponding nicotinamides and derivatives thereofBASF AG·Filed 1976·Granted May 23, 1978·14 cites·6 claims
- 1281US4145341AWater-soluble azo dyes containing diaminopyrimidine coupler componentsBASF AG·Filed 1975·Granted Mar 20, 1979·12 cites·12 claims
- 1381US3974123ADyes for thermoplasticsBASF AG·Filed 1975·Granted Aug 10, 1976·11 cites·7 claims
- 1472US4157893AUniformly dyed water-swellable cellulosic fibersBASF AG·Filed 1978·Granted Jun 12, 1979·8 cites·8 claims
- 1572US4150943AUniformly dyed water-swellable cellulosic fibersBASF AG·Filed 1977·Granted Apr 24, 1979·8 cites·11 claims
- 1671US4650860ABenzisothiazolazo, diaminopyridine dyesBASF AG·Filed 1985·Granted Mar 17, 1987·9 cites·13 claims
- 1755US4154577AUniformly disperse dyed water-swellable cellulosic fibersBASF AG·Filed 1978·Granted May 15, 1979·4 cites·7 claims
- 1852US4419290ADiazo dyes having a coupler component attached to a sulfaphenyl-azo-phenyl-azo-radicalBASF AG·Filed 1980·Granted Dec 6, 1983·4 cites·2 claims
- 1952US4344880ADisazo dyestuffs having an acylamino group and an aromatic-oxy group on different terminal moietiesBASF AG·Filed 1980·Granted Aug 17, 1982·4 cites·9 claims
- 2048US4424154AAzo dye having a 3-cyano- or 3-carbamoyl-2,6-diaminopyridine coupling componentBASF AG·Filed 1979·Granted Jan 3, 1984·2 cites·3 claims
- 2144US4965346AHeterocyclic azo dyes containing cyanothiophene derivatives as diazo components and diaminopyridines as coupling componentsBASF AG·Filed 1989·Granted Oct 23, 1990·2 cites·6 claims
- 2243US4203894AAzo dyes containing sulfonic acid groups and oxdiazolyl radicalsBASF AG·Filed 1978·Granted May 20, 1980·2 cites·10 claims
- 2341US4113720ADisperse azo dye with diaminopyrimidine coupling componentBASF AG·Filed 1976·Granted Sep 12, 1978·2 cites·5 claims
- 2439US4724259AAzo dyes and liquid-crystalline materials containing these dyesBASF AG·Filed 1984·Granted Feb 9, 1988·6 cites·13 claims
- 2536US3981873ASulfur containing dyes of the quinonaphthalone seriesBASF AG·Filed 1973·Granted Sep 21, 1976·1 cites·6 claims
- 2635US4231746ADyeing of cellulose-containing textile material and novel dyes for use thereinBASF AG·Filed 1979·Granted Nov 4, 1980·4 cites·9 claims
- 2735US4167394AUniformly dyed water-swellable cellulosic fibersBASF AG·Filed 1978·Granted Sep 11, 1979·1 cites·5 claims
- 2834US4599402AMetal complex dyes containing azo azomethine groupsBASF AG·Filed 1984·Granted Jul 8, 1986·1 cites·7 claims
- 2930US4430267AMetal complex dyes derived from 4-phenylazo-5-aminopyrazolesBASF AG·Filed 1981·Granted Feb 7, 1984·0 cites·6 claims
- 3030US4210583AAzo dyes of the 2,6-di(substituted) amino pyridine seriesBASF AG·Filed 1978·Granted Jul 1, 1980·1 cites·14 claims
- 3126US4285693ADyeing of surface coatings, organic solvents and petroleum productsBASF AG·Filed 1980·Granted Aug 25, 1981·1 cites·3 claims
Join the waitlist — get patent alerts
Get an alert when Johannes Dehnert files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →