P

Inventor

ERNST HANSGEORG

DE39 patents
⚠️ This page may combine multiple inventors who share the name “ERNST HANSGEORG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BASF AG

31 patents
US5455362AOct 3, 1995

Preparation of astaxanthin novel intermediates therefor and the preparation thereof

BASF AG44 citations96
US6747177B2Jun 8, 2004

Process for the preparation of meso-zeaxanthin

BASF AG16 citations92
US5654488AAug 5, 1997

Preparation of astaxanthin

BASF AG25 citations92
US4645845AFeb 24, 1987

Novel optically active chroman derivatives, their preparation and novel intermediates

BASF AG28 citations91
US4716243ADec 29, 1987

α-(o-chlorophenyl)-aminomethylene-β-formylaminopropionitrile

BASF AG18 citations81
US4778531AOct 18, 1988

Epimerization of sugars, in particular of D-arabinose to D-ribose

BASF AG9 citations74
US4705553ANov 10, 1987

Method of reducing plant growth height using phenylalkylmorpholines

BASF AG12 citations74
US6743954B2Jun 1, 2004

Process for the preparation of meso-zeaxanthin

BASF AG10 citations73
US6673971B2Jan 6, 2004

Preparation of 1,1,4,4-tetramethoxy-2-butene

BASF AG8 citations73
US6610892B2Aug 26, 2003

Process for preparing 2,7-dimethyl-2,4,6-octatrienal monoacetals

BASF AG8 citations72
US4937308AJun 26, 1990

Preparation of alkyl O,O-dialkyl-γ-phosphonotiglates

BASF AG16 citations71
US6699911B2Mar 2, 2004

Catalytic reduction of alkyne compounds

BASF AG3 citations63
US5717128AFeb 10, 1998

Preparation of alkylesters of 0,0-dialkyl-4-phosphono-2-methyl-2-butenoic acid and alkyl esters of 4-halo-2-methyl-2-butenoic acid containing a high percentage of E isomers

BASF AG2 citations63
US5210314AMay 11, 1993

Preparation of canthaxanthin and astaxanthin

BASF AG6 citations63
US7378558B2May 27, 2008

Method for producing carotenoids

BASF AG3 citations62
US6407291B1Jun 18, 2002

Preparation of 1,1,4,4-tetramethoxy-2-butene

BASF AG3 citations62
US4567261AJan 28, 1986

Preparation of riboflavin

BASF AG4 citations62
US7045641B2May 16, 2006

Process for preparing polyenedialdehyde monoacetals

BASF AG3 citations61
US4550182AOct 29, 1985

Preparation of α-tocopherol

BASF AG2 citations61
US5773635AJun 30, 1998

Preparation of polyenecarbonyl compounds having a high content of the all-E isomer, and of their acetals or ketals

BASF AG5 citations59
US5053223AOct 1, 1991

Process and agents for control of white coffee-leaf miners, especially perileucoptera coffeella

BASF AG4 citations58
US6365740B1Apr 2, 2002

Preparation of 2-methyl-4-amino-5-aminomethylpyrimidine

BASF AG1 citations52
US4918191AApr 17, 1990

Preparation of 2-n-propyl-4-amino-5-methoxymethyl-pyrimidine

BASF AG0 citations52
US4656275AApr 7, 1987

Preparation of riboflavin, and 4,5-dimethyl-N-(D)-ribityl-2-(O-alkoxyphenylazo)-aniline intermediates

BASF AG1 citations52
US4518813AMay 21, 1985

Optically active units for the synthesis of the side chain of (R,R,R)-α-tocopherol and their preparation

BASF AG1 citations52
US7271296B2Sep 18, 2007

Method for the production of phytofluene

BASF AG1 citations51
US4806686AFeb 21, 1989

Preparation of ribitylxylidine

BASF AG0 citations50
US7339085B2Mar 4, 2008

Method for producing 2,7-dimethyl-octa-2,4,6-trienedial

BASF AG0 citations41
US6740774B1May 25, 2004

Preparation of N-acylamino acid esters and N-acylamino acetals

BASF AG0 citations40
US7365210B2Apr 29, 2008

Method for the production of chiral imidazolidin-2-ones

BASF AG0 citations36
US6781004B2Aug 24, 2004

Process for the preparation of cis-6-hexadecenoic acid

BASF AG0 citations36

BASF SE

5 patents

SCHRODER HARTWIG

1 patent

(unassigned)

1 patent

ERNST HANSGEORG

1 patent