Inventor · disambiguated record
Axel Kleemann
Also filed as: KIEL REINHOLD · KLEEMANN AXEL
97 granted patents·656 citations·filing 1975–2001
99Inventor score
Top patents by PatentIndex Score
97 records- 0191US4914208AOptically active salts of a substituted thiazolidine-4-carboxylate and 3-chloro-2-hydroxypropyltrimethyl ammonium, their preparation and useDEGUSSA·Filed 1988·Granted Apr 3, 1990·33 cites·3 claims
- 0288US4824987AMethod of preparing m-trifluoromethylphenyl acetonitrileDEGUSSA·Filed 1988·Granted Apr 25, 1989·25 cites·4 claims
- 0386US4564514AProcess for the production of water-free organic hydrogen peroxide solutionDEGUSSA·Filed 1983·Granted Jan 14, 1986·31 cites·43 claims
- 0485US4424370ACyclic acetals of N-acylglutamic acid-γ-semialdehydes, process for their production and useDEGUSSA·Filed 1981·Granted Jan 3, 1984·17 cites·5 claims
- 0584US4966732AProcess for the production of 1,2-dithiolan-3-pentanoic acid (thioctic acid) and 8-hydrocarbylthio-6-oxooctanoic acidDEGUSSA·Filed 1987·Granted Oct 30, 1990·31 cites·1 claims
- 0683US4800044AIntermediates for the production of 1,2-dithiolan acid (thioctic acid)DEGUSSA·Filed 1987·Granted Jan 24, 1989·28 cites·1 claims
- 0783US4705867AProcess for the production of 1,2-dithiolan-3-pentanoic acid (thioctic acid) and intermediate compounds thereforDEGUSSA·Filed 1986·Granted Nov 10, 1987·30 cites·5 claims
- 0883US4436910AProcess for the production of aqueous solutions of sodium salts of α-aDEGUSSA·Filed 1982·Granted Mar 13, 1984·15 cites·9 claims
- 0983US4335126A1-[3-(3,4,5-Trimethoxyphenoxy)-2-hydroxy-propyl]-4-aryl-piperazine-derivatives having pharmaceutical activityDEGUSSA·Filed 1980·Granted Jun 15, 1982·15 cites·43 claims
- 1081US6448204B1Herbicidal 2-aryloxy-4-methyl-6-pyrazol-1-yl-pyridinesBASF AG·Filed 2000·Granted Sep 10, 2002·10 cites·9 claims
- 1181US4376864ACyclic acetals of glutamic acid-γ-semialdehyde, process for their production and useDEGUSSA·Filed 1981·Granted Mar 15, 1983·12 cites·1 claims
- 1280US4845252AMethod for the catalytic epoxidation of olefins with hydrogen peroxideDEGUSSA·Filed 1988·Granted Jul 4, 1989·35 cites·8 claims
- 1380US4025540AProcess for the production of pure carboxylic acid-1-monoglyceridesDEGUSSA·Filed 1975·Granted May 24, 1977·25 cites·18 claims
- 1478US5849758AHerbicidal 2, 6-disubstituted pyridines and 2, 4-disubstituted pyrimidinesAMERICAN CYANAMID CO·Filed 1996·Granted Dec 15, 1998·25 cites·8 claims
- 1578US4728743AProcess for the production of 3-oxonitrilesDEGUSSA·Filed 1987·Granted Mar 1, 1988·14 cites·6 claims
- 1675US4360697AProcess for the production of 1-amino-propanediol-2,3DEGUSSA·Filed 1981·Granted Nov 23, 1982·12 cites·42 claims
- 1775US4345072AProcess for the production of 5-arylidene hydantoins (B)DEGUSSA·Filed 1981·Granted Aug 17, 1982·9 cites·14 claims
- 1873US6080861AHerbicidal 6-thienyloxypyrid-2-carboxamidesAMERICAN CYANAMID CO·Filed 1998·Granted Jun 27, 2000·13 cites·1 claims
- 1971US4369322AProcess for the production of substituted acetonitrilesDEGUSSA·Filed 1981·Granted Jan 18, 1983·8 cites·31 claims
- 2071US4358615AProcess for the production of 1-amino-propanediol-(2,3) (II)DEGUSSA·Filed 1981·Granted Nov 9, 1982·10 cites·33 claims
- 2171US4009188AContinuous process for recovery of glycideDEGUSSA·Filed 1975·Granted Feb 22, 1977·7 cites·3 claims
- 2270US6313072B1Herbicidal 2-aryloxy-or 2-arylthio-6-arylpyrimidinesAMERICAN CYANAMID CO·Filed 1999·Granted Nov 6, 2001·17 cites·10 claims
- 2370US4533766AProcess for the production of dihydroxybenzenesDEGUSSA·Filed 1984·Granted Aug 6, 1985·9 cites·30 claims
- 2468US4482760AProcess for the production of 1,2-diolsDEGUSSA·Filed 1983·Granted Nov 13, 1984·8 cites·22 claims
- 2568US4228082AN-Substituted α-ketocarboxylic acid amidesDEGUSSA·Filed 1979·Granted Oct 14, 1980·4 cites·12 claims
- 2667US6528456B2Herbicidal 2-pyrazolyl-6-aryloxypyri(mi)dinesBASF AG·Filed 2000·Granted Mar 4, 2003·2 cites·5 claims
- 2766US4520209AProcess for cyclizing upsilon-chlorocarboxylic acidsDEGUSSA·Filed 1984·Granted May 28, 1985·8 cites·10 claims
- 2865US4356323AProcess for the production of 1-amino-propanediol-(2,3) (I)KLEEMANN AXEL·Filed 1981·Granted Oct 26, 1982·9 cites·13 claims
- 2965US4197161AProcess for the recovery of catalysts in the epoxidation and hydroxylation of olefinic compoundsDEGUSSA·Filed 1975·Granted Apr 8, 1980·11 cites·28 claims
- 3063US5041655AMethod of preparing 1,6-di(N3 -cyano-N1 -guanidino) hexaneDEGUSSA·Filed 1988·Granted Aug 20, 1991·7 cites·16 claims
- 3163US4628126AProcess for the production of dihydroxybenzenesDEGUSSA·Filed 1984·Granted Dec 9, 1986·5 cites·43 claims
- 3260US4946836ANitrogen-containing cyclo-aliphatic compounds having an amino radical and a pyridine radicalASTA PHARMA AG·Filed 1989·Granted Aug 7, 1990·5 cites·3 claims
- 3360US4716242ASalts of oxazaphosphorine derivativesASTA WERKE AG CHEM FAB·Filed 1985·Granted Dec 29, 1987·10 cites·7 claims
- 3459US5710106ASubstituted pyridine herbicidal agentsAMERICAN CYANAMID CO·Filed 1997·Granted Jan 20, 1998·6 cites·10 claims
- 3559US5707932AHerbicidal picolinamide derivativesAMERICAN CYANAMID CO·Filed 1993·Granted Jan 13, 1998·5 cites·10 claims
- 3658US4602096AProcess for the racemization of N-acetyl-D,L-α-aminocarboxylic acidsDEGUSSA·Filed 1985·Granted Jul 22, 1986·5 cites·9 claims
- 3757US4827029AProcess for the isolation of L-amino acidsDEGUSSA·Filed 1988·Granted May 2, 1989·9 cites·6 claims
- 3857US4398042AProcess for the production of 3-mercapto-propanediol-(1,2)DEGUSSA·Filed 1981·Granted Aug 9, 1983·5 cites·24 claims
- 3956US4390719A1-Methyl-2-chlorocyclopropanecarboxylic acid and its esterDEGUSSA·Filed 1981·Granted Jun 28, 1983·4 cites·3 claims
- 4056US4175088AProcess for the production of [1,1-dithienyl-(3)-1-hydroxypropyl-(3)]-[1-phenyl-1-hydroxypropyl-(2)]-amine and [1,1-dithienyl-(3)-propen-(1)-yl-(3)]-[1-phenylpropyl-(2)]-amineDEGUSSA·Filed 1978·Granted Nov 20, 1979·3 cites·8 claims
- 4155US6008161AHerbicidal 2-(hetero)aryloxy-6-arylpyridines and 2-aryl-4-(hetero) aryloxypyrimidinesAMERICAN CYANAMID CO·Filed 1998·Granted Dec 28, 1999·7 cites·15 claims
- 4254US4562152AProcess for obtaining pure L-leucineDEGUSSA·Filed 1984·Granted Dec 31, 1985·4 cites·8 claims
- 4354US4511719ANα-(3-Cyanopropanoyl)-aminocarboxylic acid derivatives and their useDEGUSSA·Filed 1983·Granted Apr 16, 1985·3 cites·4 claims
- 4454US4224226AProcess for the production of N-substituted α-ketocarboxylic acid amidesDEGUSSA·Filed 1978·Granted Sep 23, 1980·2 cites·16 claims
- 4553US6066597AHerbicidal 2-(hetero)aryloxy-6-arylpyridines and 2-aryl-4-(hetero)aryloxy-6-arylpyridines and 2-aryl-4-(hetero)aryloxypyrimidinesAMERICAN CYANAMID CO·Filed 1999·Granted May 23, 2000·7 cites·8 claims
- 4653US5807804ASubstituted pyridine herbicidal agentsAMERICAN CYANAMID CO·Filed 1997·Granted Sep 15, 1998·4 cites·17 claims
- 4751US4751298AProduction of 1-(3-hydroxy-propyl)-1,4-diazepane and 1,4-bis(3,4,5-trimethoxy-benzoyloxy)-propyl-diazepane derivatives thereofDEGUSSA·Filed 1985·Granted Jun 14, 1988·3 cites·5 claims
- 4851US4322552AProcess for the production of 4-aminobutyramide hydrochlorideDEGUSSA·Filed 1980·Granted Mar 30, 1982·3 cites·16 claims
- 4950US7008905B2Method of combating undesired plant growth on cerealsBASF AG·Filed 2001·Granted Mar 7, 2006·0 cites·23 claims
- 5049US4590305AProcess for the selective production of dihydroxybenzenesDEGUSSA·Filed 1984·Granted May 20, 1986·6 cites·26 claims
Showing the top 50 of 97 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →