Patents
Patents for C07C 403 - Derivatives of cyclohexane or of a cyclohexene, having a side-chain containing an acyclic unsaturated part of at least four carbon atoms, this part being directly attached to the cyclohexane or cyclohexene rings, e.g. vitamin a, beta-carotene, beta-ionone (2,683)
10/1997
10/22/1997EP0802181A1 Retinoids
10/22/1997EP0802180A1 Beta-methylene aldehydes particularly useful for the preparation of valuable compounds such as retinoids or carotenoids and preparation of valuable compounds by means of those beta-methylene aldehydes
10/08/1997CN1161251A Use of hydrogen-bis (oxalato) borate
10/07/1997US5675033 For treatment of skin disorders
09/1997
09/23/1997US5670548 Pigmentation with carotenoids
09/12/1997WO1997032839A1 9-cis-retinoic acid esters and amides and uses thereof
09/04/1997WO1997031894A1 New process for preparing carotenoid pigments
09/02/1997US5663459 Intermediates for the preparation of vitamin A and carotenoids and process for their preparation
09/02/1997US5663367 Regulator of cell proliferation and differentiation; treatment of skin disorders, antiinflammatory agents, anticarcinogenic agents
08/1997
08/28/1997WO1997009297A3 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
08/20/1997EP0789686A1 Retinoylamide based derivatives of sphingoid bases
08/20/1997CN1157608A Stable vitamin A
08/05/1997US5654488 Wittig reaction of 3-methyl-5-(2,6,6-trimethyl-3-oxo-4-hydroxy-1-cyclohexenyl)-2 ,4-pentadienyltriarylphosphonium salt with 2,7-dimethyl-2,4,6-octatrienediol
07/1997
07/23/1997CN1035475C Process for directly producing grease suspension of natural beta-carotin
07/16/1997EP0784042A1 Use of hydrogen bis(oxalato)borate
07/15/1997US5648564 Saponification of diesters to form xanthophyll
07/15/1997US5648563 Retro-alpha-retinol derivative and uses of retro-alpha-retinol
07/15/1997US5648550 Beta-keto-alcohols and the process for the manufacture thereof
07/15/1997US5648091 Tocopherol
07/03/1997WO1997023441A1 Hyperabas: biologically active abscisic acid analogs with unsaturated carbon substituents at the 8'-methyl or 9'-methyl carbon atoms
07/03/1997WO1997023436A1 A process for the formation, isolation and purification of comestible xanthophyll crystals from plants
07/03/1997DE19652287A1 Carotinoid oil dry powder preparations
06/1997
06/17/1997US5639919 Rearrangement using hydrobromic acid or potassium carbonate
06/17/1997US5639902 (Cyclohexyl)alkene compounds
06/12/1997WO1997020812A1 RETINYL ESTERS OF α-HYDROXY ACIDS FOR TOPICAL IMPROVEMENT OF SKIN FUNCTION AND APPEARANCE
06/10/1997US5637779 Process for the preparation of vitamin A and new intermediates
05/1997
05/28/1997EP0775111A1 Stable vitamin a
05/07/1997EP0684973B1 Process for the preparation of a water-dispersible carotenoid preparation in powder form
05/01/1997WO1997015554A1 Natural carotenoid concentrates from plant material and a process for preparing the same
04/1997
04/30/1997CN1034730C Method of dunaliella collecting and beta-carotene extracting method
04/29/1997US5625099 Carotenoid dyes
03/1997
03/26/1997CN1145900A Continuous extraction process of carotene, pectin and edible cellulose
03/20/1997WO1997010196A1 Products extracted from a plant of the genus commiphora, particularly the commiphora mukul plant, extracts containing same and applications thereof, for example in cosmetics
03/18/1997US5612485 High cis beta-carotene composition
03/13/1997WO1997009307A1 Retinoylamide based derivatives of sphingoid bases
03/13/1997WO1997009297A2 Synthesis and use of retinoid compounds having negative hormone and/or antagonist activities
03/12/1997EP0761765A1 Process for the extraction of carotene dyes from natural products
03/12/1997EP0760810A1 Methods for the synthesis of 9-cis retinoids and their novel intermediates
03/05/1997CN1144219A Method for preparation of natural carotene
02/1997
02/25/1997US5605699 Pigmentation with carotenoids
02/19/1997CN1143070A Photochemical method for preparation of 13-Cis retinoic acid
02/11/1997US5602286 Process for recovering xanthophylls from corn gluten
01/1997
01/29/1997CN1033912C Method for separating natural cis-beta carotene isomer from the trans-isomer
01/07/1997US5591343 Process for extraction of carotenoids from bacterial cells
01/02/1997EP0751125A1 Esters and amides of 9 (Z)-retinoic acid
12/1996
12/27/1996CA2179314A1 Esters and amides of 9(z)-retinoic acid
12/19/1996WO1996040607A1 Improved process for recovering xanthophylls from corn gluten
12/19/1996WO1996039870A1 Fat substitutes containing water soluble beta-caroten
12/12/1996WO1996039374A1 2,4-pentadienoic acid derivatives having retinoid-like biological activity
11/1996
11/27/1996CN1136557A Para retinoic acid
11/13/1996EP0742205A2 Process for the preparation of beta-carotene with high 9(Z) content
11/13/1996EP0742204A1 Photochemical method for the preparation of 13-cis-retinoic acid
11/13/1996EP0741795A1 Process for the isomerization of lutein
11/13/1996CA2175438A1 Preparation of .beta.-carotene products with a high 9(z) content
10/1996
10/22/1996US5567852 1,1,5-trimethyl-4-cyclohexene-9-methylhexene-6,9,10-triene-al kyl ketone or ester; high retinal yield
10/16/1996CN1133280A Beta-keto-alcohol preparation
10/08/1996US5563297 Catalytic rearrangement of a carbonate compound
09/1996
09/26/1996WO1996029306A1 Process for obtaining carotene from palm oil
09/26/1996DE19510098A1 Verfahren zum Gewinnen von Carotin aus Palmöl A process for recovering carotene from palm oil
09/25/1996EP0733619A1 Process for the preparation of astaxanthin
09/25/1996CN1131939A Oxidizer carotenoids, retinoids and related conjugated polyenes, and derived fractions and compounds useful as cell-differentiation inducers, cytostatic agents, and antitumor agents
09/18/1996EP0732378A2 Method for purifying xanthophyll compound
09/17/1996CA2171780A1 Method for purifying xanthophyll compound
09/04/1996CN1130376A Process for preparation of N-(4hydroxyphenyl)-retinamide
09/04/1996CN1130179A Carotenoid ketones and esters
08/1996
08/29/1996DE19506999A1 Prodn. of poly:ene-carbonyl cpds. with high all-E content
08/28/1996EP0728742A2 Novel retinoids
08/25/1996CA2170227A1 Novel retinoids
08/13/1996CA2112501C Therapeutic composition for treating ent disorders
07/1996
07/24/1996EP0722431A1 Oxidized carotenoids, retinoids and related conjugated polyenes, and derived fractions and compounds useful as cell-differentiation inducers, cytostatic agents, and anti-tumor agents
07/16/1996US5536504 Ultramicroemulsions from spontaneously dispersible concentrates containing xanthophyll esters and having antitumor activity
07/03/1996EP0719866A1 Process for extraction of carotenoids from bacterial cells
07/02/1996US5532009 Complex with a cyclodextrin; bioavailability; foods, drugs
06/1996
06/26/1996EP0718285A2 Restricted 9-cis-retinoids
06/26/1996EP0718284A2 Carotenoid ketones and esters
06/26/1996EP0718283A1 Process for the preparation of retinal by oxidation of retinol with oxygen in the presence of 4-hydroxy-2,2,6,6-tetramethyl-piperidin-1-oxyl and copper(I)chloride
06/20/1996CA2165374A1 Restricted 9-cis-retenoids
06/12/1996EP0716071A2 Preparation of beta-keto-alcohols
06/04/1996US5523494 Reacting marigold, yellow corn with aqueous alkaline solution to form natural yellow pigment feeds
05/1996
05/30/1996WO1996002594A3 Process for the isomerization of lutein
05/28/1996US5521221 Retro-α-retinol (4,14-retro-retinol) derivatives and uses of retro-α-retinol
05/15/1996EP0711276A1 Process for the preparation of n-(4-hydroxyphenyl)-retinamide
05/15/1996DE4440286A1 Prepn. of polyene aldehyde derivs. esp. all-E retinal
05/07/1996US5514821 Ring-labeled retinoids and intermediates, and methods for their synthesis and use
05/01/1996EP0606386B1 Dermatological and/or cosmetological composition containing retinoids
04/1996
04/23/1996US5510551 Separating carrot juice into carotenoid containing liquid fraction and pulp fraction, precipitating liquid fraction with solvent free precipitating agent like potassium hydorxide and magnesium chloride, separating rich portion
04/23/1996US5510111 Therapeutic composition remedying the disorders appearing in the otolaryngological sphere
04/16/1996US5508456 Reducing alkyl ester with carrier-free lithium aluminum tritide, oxidizing ditritium alcohol to monotritium aldehyde, condensing with carbanion equivalent to form mixture of retinoid ester stereoisomers
04/10/1996EP0448697B1 Vitamin a analogues and their applications, in particular as cytotrophic and cytoprotective molecules, and pharmaceutical compositions containing same
04/02/1996US5504230 Preparation of 9-(Z)-retinoic acid
03/1996
03/28/1996CA2159176A1 Process for extraction of carotenoids from bacterial cells
02/1996
02/29/1996WO1996006138A1 Method of extracting natural carotinoid dyes
02/22/1996WO1996005160A1 Oxidized carotenoids, retinoids and related conjugated polyenes, and derived fractions and compounds useful as cell-differentiation inducers, cytostatic agents, and anti-tumor agents
02/22/1996DE4429506A1 Verfahren zur Extraktion natürlicher Carotinoid-Farbstoffe A method for extraction of natural carotenoid pigments
02/15/1996WO1996004243A1 Stable vitamin a
02/07/1996EP0695285A1 Stereospecific synthesis of polyene compounds
02/01/1996WO1996002594A2 Process for the isomerization of lutein
01/1996
01/16/1996CA1337931C Treatment of periodontoclasia with retinoic acid
01/11/1996DE4424294A1 Prodn. of poly:ene-carbonyl cpds. with high all-E content
01/10/1996EP0691329A1 Process for the preparation of polyencarbonyl compounds with high content of the all E-isomer and their acetals or ketales
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