|
Match
|
Document |
Document Title |
|
|
RE40938 |
Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other...
|
|
|
RE40931 |
Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other...
|
|
|
RE40912 |
Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other...
|
|
|
7550633 |
Method for the production of isopulegol
The present invention relates to a process for the preparation of isopulegol of formula (I):
comprising the cyclization of citronellal of formula (II):
in the presence of a...
|
|
|
7390869 |
Process for removing metal species in the presence of hydrogen and a porous material and polyester polymer containing reduced amounts of metal species
A process for removing metal species from a composition comprising contacting:
a. an oligomer mixture stream comprising the monomers of a partially aromatic polyester polymer and at least...
|
|
|
7365235 |
Processes for producing branched compounds via condensation and hydrogenation
Processes for producing branched compounds are described wherein a carbonyl compound is condensed in the presence of a catalyst selected from the group consisting of acids and bases, to form an...
|
|
|
7067615 |
Hydrotreating polyester precursors
A process comprising contacting a liquid polyester stream with hydrogen in the presence of a hydrogenation catalyst comprising a metal supported on the surface of silicon carbide at a metal...
|
|
|
6900359 |
Production of 3-alkylcycloalkanols
A method of making a 3-alkylcycloalkanol of formula 2: where R 1 represents a methyl or ethyl group, R 2 represents hydrogen, R 3 represents an ethyl, propyl, butyl, isobutyl or isoamyl group, R...
|
|
|
6639113 |
Production of dry powders of one or more oxygenated carotenoids
A process is described for preparing dry powders of one or more oxygenated carotenoids by a) dispersing one or more oxygenated carotenoids in an aqueous molecular dispersion or colloidal...
|
|
|
6489520 |
Process for the preparation of cis-2-tertiary-butylcyclohexanol by catalytic hydrogenation of 2-tertiary-butylphenol
The present invention relates to a process for the preparation of cis-2-tertiary-butylcyclohexanol, where 2-tertiary-butylphenol is hydrogenated in the presence of a nickel/iron catalyst mixture...
|
|
|
6476278 |
Processes for the preparation of alcohols
Alcohols are produced in a practical and advantageous method, by the hydrogenation of a carbonyl compound under mild conditions, by reacting the carbonyl compounds with hydrogen in the presence of...
|
|
|
6376722 |
Lutein to zeaxanthin isomerization process and product
A lutein to zeaxanthin isomerization process which includes a saponification or alkali treatment of a plant extract containing lutein followed by a heating period under controlled conditions, is...
|
|
|
6329557 |
Purification of xanthophylls from marigold extracts that contain high levels of chlorophylls
The present invention provides an industrial scale process for obtaining lutein and zeaxanthin concentrates of high purity from saponified marigold extracts that may have high levels of chlorophyll.
|
|
|
6262316 |
Oral preparation for the prophylactic and therapeutic treatment of Helicobacter sp. infection
An oral preparation for the prophylactic and/or therapeutic treatment of inflammation in the mucous membrane of mammalian gastrointestinal tract (especially the human stomach) caused by Hicobacter...
|
|
|
6191293 |
Trans-xanthophyll ester concentrates of enhanced purity and methods of making same
Trans-xanthophyll ester concentrates having a trans-xanthophyll ester content of at least four times greater and preferably at least nine times greater than the cis-xanthophyll ester content are...
|
|
|
5977402 |
Processes for preparing 4-tert.-butylcyclohexanol and 4-tert.-butylcyclohexyl acetate
4-tert.-Butylcyclohexanol having a larger content of its cis-isomer is prepared by hydrogenating 4-tert.-butylphenol in a solvent in the presence of a rhodium catalyst and a compound selected from...
|
|
|
5973211 |
Pigmenting efficiency of a natural xanthophyll by isomerization
A method of isomerizing lutein to yield a mixture of epimers of zeaxanthin includes the following steps: mixing a lutein-containing extract in a glycol solution to obtain a mixture, treating the...
|
|
|
5969190 |
Cyclohexanediol derivatives
The compound, (E)-(1R,3R)-5-[(R)-11-hydroxy-7,11-dimethyl-dodec-2-enyliden
e]-cyclohexane -1,3-diol of the formula I: ##STR1## is useful in the treatment or prevention of hyperproliferative skin...
|
|
|
5892133 |
Repellent agent against harmful insects and perfume composition containing the same
A repellent agent containing a 3-substituted p-menthane (or p-menthene) derivative represented by the following formula (1) is disclosed: ##STR1## In the formula, R is a hydroxy group or...
|
|
|
5876782 |
Method for the conversion of xanthophylls in plant material
This invention relates to the in sito process for converting non-free form xanthophylls to free xanthophylls in the biological material of the plant. The method, more particularly, relates to a...
|
|
|
5874622 |
Hydrogenation of an aromatic compound in the presence of a supported catalyst
In a process for hydrogenating an aromatic compound in which at least one hydroxyl group is bonded to an aromatic ring or an aromatic compound in which at least one amino group is bonded to an...
|
|
|
5856590 |
Process for producing cis-4-t-butylcyclohexanol
A process whereby 4-t-butylcyclohexanol with a high content of the cis-isomer, which is useful as a perfume ingredient, can be economically produced on an industrially available scale at a low...
|
|
|
5831134 |
Continuous production process of tertiary alcohols by radical addition of secondary alcohols to alkenes
A process is disclosed for producing tertiary alcohols by radical addition of secondary alcohols to alkenes. The reaction is carried out as a continuous process in the presence of an organic...
|
|
|
5750804 |
Process for producing trans-3-isocamphylcyclohexanol
A process whereby trans-3-isocamphylcyclohexanol, which is useful as a perfume ingredient, can be produced on an industrially available scale, at a low cost and at a high stereoselectivity, is...
|
|
|
5714642 |
Resolution of immixtures of stereoisomeric alcohols
Immixture of stereoisomeric alcohols is resolved by selectively enzymatically acylating one of the stereoisomers thereof, in the presence of a catalytically effective amount of a hydrolase, for...
|
|
|
5648564 |
Process for the formation, isolation and purification of comestible xanthophyll crystals from plants
A process for forming, isolating and purifying xanthophyll crystals, preferably lutein from marigold flower petals, zeaxanthin from wolfberries or capsanthin and capsorubin from red pepper, is...
|
|
|
5523494 |
Process for the isomerization of lutein
A process to obtain a product with a high zeaxanthin content, to be used mainly as an ingredient in poultry feed to enhance the pigmentation of broiler chickens and egg yolk, by reacting at a...
|
|
|
5420366 |
Process for the preparation of optically active 2-arylcyclohexanols
The present invention provides a process for preparing optically active 2-arylcyclohexanol and its esters and ethers and which process comprises the step of subjecting 1-aryl-cyclohexane-1,2 diol...
|
|
|
5414158 |
Method of preparing alkoxy-magnesium halides
It has surprisingly now been discovered that alkoxy-magnesium halides of the general formula ROMgX wherein R is an alkyl having from about 1 to 18 carbon atoms and X is a halide can be synthesized...
|
|
|
5406004 |
Hydrogenation process for the preparation of alcohols and diols utilizing gas and liquid phases
A process is described for the production of a hydroxylic compound selected from alcohols and diols by hydrogenation of a corresponding hydrogenatable material selected from monoesters of...
|
|
|
5382714 |
Process for isolation, purification, and recrystallization of lutein from saponified marigold oleoresin and uses thereof
A method of isolating, purifying and recrystallizing substantially pure lutein, preferably from saponified marigold oleoresin in its pure free form, apart from chemical impurities and other...
|
|
|
5276217 |
Cyclic anti-tumor promoter compounds, compositions and methods for production and use
Novel cyclic anti-tumor promoter compounds and therapeutic compositions are disclosed, along with method for their production and use as anti-cancer and cancer-prevention agents.
|
|
|
5268356 |
Cyclic tertiary alcohols and their use as perfuming ingredients
The cyclic tertiary alcohols of formula ##STR1## wherein the dotted line indicates the location of a single or double bond, symbols R 1 and R 3 represent each a hydrogen atom or a methyl radical...
|
|
|
5262573 |
Halomagnesium hydrocarbyloxide composition and process for preparation
A substantially pure, chemically distinct halomagnesium alkoxide compound is formed by reaction of a dihydrocarbylmagnesium compound with a compound which will replace an hydrocarbyl functionality...
|
|
|
5262571 |
Cycloalkyl-based chiral auxiliaries and method making the same
A process of synthesizing enantiomerically pure compounds defined by Formula V, ##STR1## which are useful as chiral auxiliaries is disclosed. The process comprises, first, combining a base of...
|
|
|
5160498 |
Process for the preparation of cyclohexanol derivatives
A process for the preparation of 4-tert-butyl-cyclohexanol, comprising the hydrogenation of 4-tert-butyl-phenol or of 4-tert-butyl-cyclohexanone in the presence of a catalytic system composed of...
|
|
|
5149889 |
Composition for use in organolithium synthesis reactions
A process is disclosed for the preparation of tertiary alcohols, alpha-alkyl substituted nitriles, alkyl-substituted imines or tertiary amines by alkylation of a starting material that is a...
|
|
|
5057630 |
Synthesis of cyclopentene derivatives
This invention relates to a new process for preparing certain optically active purine substituted cyclopentene derivatives including the antiviral agent, carbovir, and novel intermediates used in...
|
|
|
4990692 |
Removal of cyclohexanol
Cyclohexanol is removed from aqueous solutions containing it and aromatic sulfonic acids by extraction with one or more cyclohexyl ethers liquid under extraction conditions and having the formula...
|
|
|
4933508 |
Method for producing a cycloalkanol
A method for producing a cycloalkanol, which comprises oxidizing a cycloalkane with a molecular oxygen-containing gas in a liquid phase in the presence of a catalyst, wherein an aromatic nitro...
|
|
|
4885409 |
Process for the hydrogenation of bis-phenols
Process for the hydrogenation of bis-phenols by reacting bis-phenols with hydrogen in the presence of a catalytic system consisting of palladium supported on activated carbon.
|
|
|
4820879 |
Preparation of hydrocarbyloxy magnesium halides
The present invention provides a process for making hydrocarbyloxy magnesium halides by reacting in an inert atmosphere under anhydrous conditions activated magnesium metal with an oxygen...
|
|
|
4757051 |
2-tert-butyl-4-methylcyclohexanol derivatives, their preparation and their use as scents
Novel 2-tert-butyl-4-methylcyclohexanol derivatives of the general formula I ##STR1## where R 1 is alkyl of 1 to 3 carbon atoms or an acyl group ##STR2## where R 2 is alkyl of 1 to 5 carbon...
|
|
|
4751214 |
Use of 2-tert-butyl-4-methylcyclohexanol as a scent and as a component of scent compositions
2-tert-butyl-4-methylcyclohexanol is used as a scent and as a component of scent compositions. Scent compositions contain 2-tert-butyl-4-methylcyclohexanol (I), which influences their fragrance. It...
|
|
|
4720558 |
Process for inverting the configuration of secondary alcohols
Process for inverting the configuration of secondary alcohols in which the hydroxyl group is attached to an asymmetric carbon atom, in accordance with which the secondary alcohols are esterified,...
|
|
|
4719041 |
1-alkyl/alkenyl cyclohexan-1-ols as perfumes
The invention relates to the use as perfumes of 1-alkyl/alkenyl cyclohexan-1-ols corresponding to the general formula ##STR1## in which R is a C 1 -4 alkyl or a C 2 -4 alkenyl, 0 to 3 of the 10...
|
|
|
4711875 |
Composition essentially consisting of trans-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol
Composition consisting of from less than 100% to more than about 80% of trans-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol and a definite amount, but not more than about 20%, of...
|
|
|
4631147 |
Cycloalkan-1-ol derivatives and perfume compositions comprising the same
Novel cycloalkan-1-ol derivatives having a formula (I): ##STR1## wherein R represents a hydrogen atom, lower alkyl group or an allyl group, and n is an integer of 3 or 4 provided that when n is 3,...
|
|
|
4626381 |
Process for the preparation of an isomeric mixture of 1-(2,6,6-trimethylcyclohexyl)-hexane-3-ol
Process for the preparation of an isomeric mixture of cis- and trans-1-(2,6,6-trimethylcyclohexyl)-hexan-3-ol according to a three-step pathway starting from trimethylcyclohexanone.
|
|
|
4617145 |
1-methyl-2(2-methylbutyl) cyclohexanol derivatives and organoleptic uses thereof
Described are the 1-methyl-2(2-methylbutyl) cyclohexanol derivatives defined according to the generic structure: ##STR1## wherein R represents hydrogen, MgCl, MgBr, lithium or acetyl; and uses of...
|