| 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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| 10/30/1991 | EP0454002A2 Dehydration process |
| 10/11/1991 | CA2039922A1 Sulfonyl compound and use of said compound as an intermediate in the process of producing vitamin a or its esters |
| 10/02/1991 | EP0449099A2 Retinoide derivatives, their preparation and their use for medicaments |
| 10/02/1991 | EP0449034A1 Cyclic ketones, method for their preparation and their application in perfumery |
| 10/01/1991 | US5053240 Norbixin adducts with water-soluble or water-dispersible proteins or branched-chain or cyclic polysaccharides |
| 08/20/1991 | US5041678 Cycloaliphatic ketones for use as perfuming and flavoring ingredients |
| 08/20/1991 | US5041648 Phenylhydrazones of β-ionone |
| 08/07/1991 | EP0440037A1 Hydroxycarbonyl derivatives and process for making the same |
| 07/24/1991 | EP0438052A1 Process for producing vitamin A aldehyde |
| 07/17/1991 | EP0211954B1 Use of (+/-)-cis-gamma-irone in perfumery and novel process for preparing same |
| 07/10/1991 | EP0436011A1 Compound and method for treating skin for acne or psoriasis |
| 07/02/1991 | US5028733 Prostaglandins |
| 06/27/1991 | DE4040452A1 New polyene cpds. contg. sympathomimetic gps. - are used for carrying and amplifying electrical impulses, as bio-sensors, photovoltaic electrodes, or for information or energy storage |
| 06/18/1991 | US5025034 Prostaglandins |
| 06/12/1991 | EP0432021A1 Intermediates, procedure for their preparation and their use in the synthesis of vitamins A and E |
| 06/11/1991 | US5023232 Mixtures of bicyclic ethers and fragrance compositions containing same |
| 06/05/1991 | EP0430808A1 Dihydropyran derivatives, their processes of preparation and their use |
| 06/05/1991 | EP0430807A1 Process for the preparation of halogeno-acetals from enamines |
| 06/02/1991 | CA2031245A1 Process for producing halogenoacetals from enamines |
| 06/02/1991 | CA2031241A1 Intermediates, process for the preparation thereof and their use for the synthesis of vitamins a and e |
| 06/02/1991 | CA2031240A1 Dihydropyrannic derivatives, their preparation processes and their use |
| 05/29/1991 | CA2004125A1 Phosphonate reagent compositions and methods of making same |
| 05/14/1991 | US5015779 Process for the manufacture of 4-(2-butenylidene)-3,5,5-trimethyl-2-cyclohexen-1-one |
| 04/23/1991 | US5010189 Processes for the preparation of 5-amino-4-hydroxy-valeric acid derivatives |
| 04/14/1991 | WO1991005754A2 Derivatives of long-chain fatty alcohols and their applications, in particular as cytotrophic and cytoprotective molecules, and pharmaceutical compositions containing same |
| 04/14/1991 | CA2044162A1 Long-chained fatty alcohol derivatives, their applications, specifically as cytotrphic and cytoprotecting molecules, and pharmaceutical compounds containing same |
| 03/27/1991 | EP0418690A2 Process for the preparation of irones |
| 03/26/1991 | CA1282079C Process for producing 4,4,7-trimethyl-3,4,7,8-tetrahydro -2(6h)-naphthalen-one in purified form or in a mixture with 3,5,5-trimethyl-4-butenyliden-cyclohex-2-en-1-one, products obtained thereby and their use as aroma chemicals and flavoring agents |
| 03/20/1991 | EP0417214A1 Combined microwave, infrared and convection oven |
| 03/20/1991 | EP0395662A4 Alkyltetramethylcyclohexane derivatives and their use as perfumes |
| 03/07/1991 | WO1991002728A1 Optically active epoxycyclohexane derivative, optically active epoxycyclohexanone derivative, and production of said derivatives |
| 02/26/1991 | CA1280756C Preparation of cyclohexanedione derivatives |
| 02/05/1991 | US4990496 (-)-(1s)-1-(2',2'-6'-trimethyl-2'-cyclo-hexene-1'-yl)-2-butene-1-one |
| 01/30/1991 | EP0410236A2 Process for the production of carotinoid preparations |
| 01/30/1991 | CN1048845A Certain glyoxyl-cyclohexendiones |
| 01/30/1991 | CN1048785A 2-(1-anti-(3-chloroallyloxyamino) propylidene)-5-(2-ethyl-thiopropyl)-3-hydroxycyclohexyl-2-ene-1-one herbicides |
| 01/26/1991 | WO1991001301A1 Compound and method for treating skin for acne or psoriasis |
| 01/26/1991 | CA2035451A1 Compound and method for treating skin for acne or psoriasis |
| 01/23/1991 | EP0409350A2 Certain glyoxyl-cyclohexendiones |
| 01/22/1991 | CA2021499A1 Certain glyoxyl-cyclohexendiones |
| 01/02/1991 | EP0406065A1 Method for the production of pseudo-ionone |
| 12/27/1990 | CA1278310C Process for preparing retinoyl chlorides |
| 12/27/1990 | CA1278308C Alpha-alkyl polyolefinic carboxylic acids and derivatives thereof useful in the treatment of psoriasis |
| 12/22/1990 | CA2019494A1 Process for the preparation of pseudo-ionone |
| 11/29/1990 | WO1990014329A1 Leukotriene b4 derivatives, process for producing them and their use as drugs |
| 11/29/1990 | CA2033187A1 Leukotriene-b derivatives, process for their production and their use as pharmaceutical agents |
| 11/28/1990 | EP0399633A1 Leukotriene B4 derivatives, process for their preparation and their use as medicines |
| 11/28/1990 | EP0399619A1 Process for preparing flavourings and perfumes based on one or more carotenoids as starting materials |
| 11/07/1990 | EP0395662A1 Alkyltetramethylcyclohexane derivatives and their use as perfumes. |
| 11/06/1990 | US4968844 From a cyclohexenylalkadienyl sulfide |
| 11/06/1990 | CA1276032C Polyene compounds |
| 10/31/1990 | CN1046438A 2-(1-(3-chloroallyloxyamino) alkyliaene)-5-alkylthioalkyl-cyclohexane-1,3-dione herbicides |
| 09/19/1990 | EP0388314A1 Retinoic esters of l-cladinose, process for their preparation and their use in human veterinary medicine and in cosmetics |
| 09/16/1990 | CA2012218A1 L-cladinose retinoic esthers, process for their preparation and use in human or veterinary medicine and in cosmetology |
| 08/28/1990 | US4952716 Chemical intermediate for zeaxanthin and its derivatives |
| 08/16/1990 | EP0382075A2 Phenyl hydrazones of beta-jonones, their preparation and pharmaceutical and cosmetic compositions prepared therefrom |
| 08/10/1990 | CA2007933A1 Phenylhydrazones of b-ionone, the preparation thereof and drugs and cosmetics prepared therefrom |
| 08/09/1990 | WO1990008760A1 Use of hexatriene derivatives for the manufacture of preparations for treating acne, psoriasis and light-induced damage to the skin |
| 08/07/1990 | US4947001 Halogenating hydroxysulfone salt |
| 08/01/1990 | CN1044277A Method for extracting carotene from dunaliella and its extract |
| 07/31/1990 | US4945106 Prostaglandins |
| 07/26/1990 | WO1990008449A1 Combined microwave, infrared and convection oven |
| 07/17/1990 | US4942262 Process for producing vitamin A or its carboxylic acid esters |
| 06/06/1990 | EP0371882A2 Abscisic acid-related plant growth regulators - germination promoters |
| 06/06/1990 | EP0371264A2 Phosphonate reagent compositions and methods of making same |
| 06/01/1990 | CA2004450A1 Abscisic acid-related plant growth - germation promoters |
| 04/10/1990 | US4916250 Chemical intermediate for synthesis of retinoids and beta carotene |
| 04/03/1990 | US4914229 Novel preparation of compounds of the 4-oxodamascone series, and novel scents from this class of compounds |
| 03/07/1990 | EP0356869A1 Process for the preparation of a cyclic, unsaturated ketone |
| 03/06/1990 | US4906795 Process for the preparation of vitamin A |
| 03/06/1990 | US4906669 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 02/13/1990 | US4900870 Process for the preparation of cycloaliphatic ketones |
| 02/13/1990 | US4900478 Skin disorders |
| 02/07/1990 | EP0353675A2 Treatment of periodontoclasia with retinoic acid |
| 02/06/1990 | US4898977 Processes for the preparation of 5-amino-4-hydroxyvaleric acid derivatives |
| 01/10/1990 | EP0349991A2 Process for producing vitamin A or its carboxylic acid esters |
| 01/03/1990 | EP0349138A2 Recovery of carotenoids |
| 01/03/1990 | EP0348813A2 Process for producing halogenated sulfone |
| 12/05/1989 | US4885311 Topical transretinoids for treatment of acne and skin diseases |
| 11/28/1989 | US4883887 Sulfone polyene intermediates |
| 10/24/1989 | US4876400 Desulfonation |
| 09/19/1989 | US4868339 Alkyltetramethylcyclohexane derivatives and their use as perfumes |
| 09/06/1989 | EP0330995A2 Bicyclic ethers |
| 08/30/1989 | EP0330496A2 Skin treatment composition |
| 08/15/1989 | US4857525 Quaternary ammonium retinoates, their use in cosmetics and in dermopharmacy |
| 08/09/1989 | EP0326869A2 Cycloaliphatic ketones, process for their preparation and their use as perfuming and aromatising ingredients |
| 07/25/1989 | US4851439 Treatment of psoriasis |
| 06/07/1989 | EP0319407A1 Process for the preparation of vitamin A |
| 05/03/1989 | EP0314575A1 Process for the preparation of retinal |
| 04/25/1989 | US4825006 Process for producing vitamin A or its carboxylic acid esters, and intermediate compounds useful for the process |
| 04/06/1989 | WO1989002885A1 Alkyltetramethylcyclohexane derivatives and their use as perfumes |
| 03/01/1989 | EP0304842A2 Isoprenoid derivatives and anti-ulcer agents containing the same |
| 02/21/1989 | CA1250306A1 Process for the preparation of acetylenic derivatives, derivatives thus made, and their use |
| 01/12/1989 | WO1989000157A1 Esters of 13-trans-retinoic acid |
| 01/11/1989 | EP0298404A2 Sulfon polyenes |
| 12/20/1988 | CA1247114A1 Esters of retinoic acid and pentaerythritol and monobenzal acetals thereof |
| 12/15/1988 | WO1988009788A1 Topical prodrugs for treatment of acne and skin diseases |
| 12/13/1988 | CA1246594A1 Prostaglandins |
| 11/23/1988 | EP0292350A1 Process for the preparation of vitamin A and some of its derivatives |
| 11/09/1988 | EP0290020A1 Quaternary ammonium retinoates, and their cosmetic and dermopharmaceutical use |