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