Inventor

Joachim Paust

Inventor

Neuhofen, DE

Overview

87→

Patents

1976–2006

Patent span

Chemistry

Primary field (CPC C)

Patents· 87 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C07Cprimary

C07CAcyclic or carbocyclic compounds35%

C07DHeterocyclic compounds30%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium15%

C07BGeneral methods of organic chemistry5%

Y02PClimate change mitigation technologies in the production or processing of goods5%

C07HSugars3%

A61KPreparations for medical, dental or toiletry purposes1%

A61QSpecific use of cosmetics or similar toiletry preparations1%

A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for1%

A61PSpecific therapeutic activity of chemical compounds or medicinal preparations1%

PatentTitleYear

7,109,362'Process for the preparation of lipoic acid and dihydrolipoic acid'2006 6,906,210'Method for producing lipoic acid and dihydrolipoic acid'2005 6,740,774'Preparation of N-acylamino acid esters and N-acylamino acetals'2004 6,673,971'Preparation of 1,1,4,4-tetramethoxy-2-butene'2004 6,603,045'Preparation of phosphonium salts'2003 6,441,024'Crystal modification of lipoic acid'2002 6,433,226'Preparation of phosphonium salts'2002 6,407,291'Preparation of 1,1,4,4-tetramethoxy-2-butene'2002 6,348,593'Process for preparing folic acid'2002 6,271,396'Use of organosulfur compounds for effecting a bathocromic shift in the UV/vis absorption bands of carotenoids'2001 6,187,959'Preparation of phosphonium salts'2001 6,111,125'Preparation of (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone and derivatives and stereoisomers of this compound'2000 6,103,940'Preparation of zeaxanthin, intermediates for this preparation, and the preparation thereof'2000 5,777,173'Preparation of pure trans- and cis-4-Hydroxy-2,2,6-trimethylcyclohexan-1-one from isomerc mixtures'1998 5,773,635'Preparation of polyenecarbonyl compounds having a high content of the all-E isomer, and of their acetals or ketals'1998 5,717,128'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'1998 5,689,022'Preparation of .beta.-carotene products with a high 9 (Z) content'1997 5,654,488'Preparation of astaxanthin'1997 5,654,444'Preparation of 5-hydroxy-4-methyl-2(5H)-furanone'1997 5,625,099'Preparation of astaxanthin, novel intermediates therefor and the preparation thereof'1997 5,582,739'Reduction of the phosphate content in waste water from the preparation of metal salts of ascorbic acid 2-monophosphate'1996 5,530,143'Preparation of (6s)-6,8-dihydroxyoctanoic esters'1996 5,504,230'Preparation of 9-(Z)-retinoic acid'1996 5,489,694'Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid'1996 5,455,362'Preparation of astaxanthin novel intermediates therefor and the preparation thereof'1995 5,424,465'Preparation of 13-(Z)-retinoic acid'1995 5,420,302'Preparation of calcium L-ascorbate 2-phosphate'1995 5,382,732'2,5-bis(1,1-dialkoxy-2-propyl)-2,5-dihydrofurans, the preparation thereof and the use thereof for the preparation of carotenoids'1995 5,380,920'Preparation of R/S-.gamma.-lipoic acid or R/S-.alpha.-lipoic acid'1995 5,344,995'Preparation of cyclic acetals of 3-formyl-2-butenyltriphenylphosphonium chloride'1994 5,338,888'Preparation of E,Z-butenedial bis(dialkyl acetals)'1994 5,300,658'2,5-bis(1,1-dialkoxy-2-propyl)-2,5-dihydrofurans, the preparation thereof and the use thereof for the preparation of carotenoids'1994 5,294,731'Preparation of .beta.-hydroxycarboxylates'1994 5,210,314'Preparation of canthaxanthin and astaxanthin'1993 5,202,445'Preparation of potassium magnesium L-ascorbate 2-phosphate'1993 5,196,609'Preparation of 3-alkoxycarbonyl propenals and 3-dialkoxymethyl propenals'1993 5,177,222'1,1-dialkoxy-2-oxo-6-aryl-3,5-alkadienes'1993 5,126,500'Preparation of retinyl glycosides and intermediates therefor'1992 5,118,866'Preparation of polyene aldehydes'1992 5,047,223'Separation of phosphoric acid from aqueous solutions of thiamine phosphates'1991 5,015,296'Continuous epimerization of sugars, in particular D-arabinose to D-ribose'1991 4,999,437'Preparation of ascorbic acid 2-phosphate and of 5, 6-isopropylideneascorbic acid and potassium magnesium l-ascorbate 2-phosphate as an advantageous salt of l-ascorbic acid 2- phosphate'1991 4,999,112'Removal of thiamine monophosphate from a solution of thiamine'1991 4,987,229'Purification of salts of riboflavin 5\'-phosphate, in particular of monosodium riboflavin 5\'-phosphate'1991 4,937,308'Preparation of alkyl O,O-dialkyl-.gamma.-phosphonotiglates'1990 4,918,191'Preparation of 2-n-propyl-4-amino-5-methoxymethyl-pyrimidine'1990 4,806,686'Preparation of ribitylxylidine'1989 4,804,670'Substituted hexatriene derivatives and their use in treating acne and psoriasis'1989 4,778,531'Epimerization of sugars, in particular of D-arabinose to D-ribose'1988 4,725,689'Preparation of 2-amino-3-cyano-5-dialkoxymethylpyrazines and intermediates for this method'1988 4,716,243'.alpha.-(o-chlorophenyl)-aminomethylene-.beta.-formylaminopropionitrile'1987 4,692,527'2-amino-3,5-di-(halomethyl)-pyrazines and their preparation'1987 4,681,936'Preparation of sugar ketals'1987 4,656,275'Preparation of riboflavin, and 4,5-dimethyl-N-(D)-ribityl-2-(O-alkoxyphenylazo)-aniline intermediates'1987 4,650,896'Preparation of 2-alkyl-4,4-diacyloxybut-2-enals'1987 4,645,845'Novel optically active chroman derivatives, their preparation and novel intermediates'1987 4,595,783'Magnesium chloride or phosphonium halide derivatives of 3,7,11-trimethyl-dodeca-2,6(10)-diene(triene)-1-ol'1986 4,594,456'Racemic and optically active 3-hydroxy-alpha-cyclocitral, its acetals and optically active 3-oxo-alpha-cyclocitral acetals, and their preparation'1986 4,567,261'Preparation of riboflavin'1986 4,550,182'Preparation of .alpha.-tocopherol'1985 4,544,758'Vitamin E intermediates and methods for the preparation of (2R,4\'RS,8\'RS)-.alpha.-tocopherol and (all-rac)-.alpha.-tocopherol via the new intermediate products'1985 4,543,417'.omega.,.omega.-Diacyloxy-2,6-dimethyl-octatrienoates and -octatrienals, their preparation and their use for the synthesis of terpene compounds'1985 4,521,342'Preparation of 2-alkyl-4,4-diacyloxybut-2-enals'1985 4,518,813'Optically active units for the synthesis of the side chain of (R,R,R)-.alpha.-tocopherol and their preparation'1985 4,515,975'Chroman derivatives and their preparation'1985 4,506,096'2-Alkyl-2,4-diacyloxy-but-3-enals'1985 4,503,238'Preparation of dihydro-4,4-dimethylfuran-2,3-dione'1985 4,410,719'Preparation of 2-alkyl-4,4-diacyloxybut-2-enals'1983 4,360,669'Preparation of N-(D)-ribityl-2-phenylazo-4,5-dimethylaniline'1982 4,359,582'Extraction of pantolactone from its aqueous solutions'1982 4,336,201'Preparation of electrically conductive carotenoids'1982 4,335,047'Preparation of cyclic acetals of trans-4-chloro-3-methyl-but-2-en-1-al, and preparation of trans-3-methyl-but-2-ene-1,4-dial-1-monoacetals'1982 4,294,766'Preparation of pure potassium ribonate and ribonolactone'1981 4,263,454'Lithium ribonate, lithium arabonate and the preparation and purification of these salts'1981 4,256,643'3-Chloro-3-methyl-butane-1,4-dial-bis-acetals and 3-methyl-but-2-ene-1,4-dial-bis-acetals, a process for the preparation of these compounds and their use'1981 4,212,827'Manufacture of canthaxanthin'1980 4,209,450'Introduction of a carbonyl group into a cyclohexene ring'1980 4,192,806'Methyl fumaraldehyde monoacetals and process'1980 4,191,692'Manufacture of tocopherol'1980 4,120,868'Cyclic 2-methyl-2,4-dialkoxy-3-buten-1-al-acetals, their preparation and use'1978 4,105,855'Manufacture of symmetrical carotenoids'1978 4,100,197'Manufacture of echinenone'1978 4,081,477'Pinane derivatives'1978 4,053,511'Nopinylamines'1977 4,044,026'Substituted succinaldehyde monoacetals'1977 4,009,202'2(OR 3)-Methyl-1-acetoxy-4-alkoxy (or phenoxy)-1,3-butadienes'1977 3,996,246'Resolution of racemic pantolactone'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2006Patents assigned to BASF AG (85)· patent assignee history

1976–2006Based in Neuhofen, DE· patent location history

1986Patents assigned to NUERRENBACH AXEL (1)· patent assignee history

1986Patents assigned to PAUST JOACHIM (1)· patent assignee history

1986Patents assigned to VOGEL FRIEDRICH (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BASF AG	85	1976–2006
NUERRENBACH AXEL	1	1986
PAUST JOACHIMself	1	1986
VOGEL FRIEDRICH	1	1986

Locations

Location	Patents	Span
Neuhofen, DE	87	1976–2006