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3M employee and church chorister Art Fry needed something to temporarily mark pages in his hymnal. He was in luck because his colleague, Spencer Silver, accidentally developed a glue that was too weak for other purposes. After initially discouraging consumer response, Post-it Notes became a hit in 1979.
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| Number | Title | Issue Date |
| 8097762 | Process for the preparation of β- and α-cryptoxanthin The present invention relates to a process for converting lutein and/or lutein esters to (3R)-β-cryptoxanthin and (3R,6′R)-α-cryptoxanthin, suitable for human consumption as dietary supplements, by employing safe and environmentally friendly reagents. (3R)-β-Cr... | 01/17/2012 |
| 7642385 | Alcohol compounds The present invention relates to alcohol compounds having a scent of natural lily of the valley substantially without any woody scent limiting their applications to raw materials of perfume preparations, and a process for producing the alcohol compounds. The alcohol... | 01/05/2010 |
| 7425657 | Palladium catalyzed hydrogenation of bio-oils and organic compounds The invention provides palladium-catalyzed hydrogenations of bio-oils and certain organic compounds. Experimental results have shown unexpected and superior results for palladium-catalyzed hydrogenations of organic compounds typically found in bio-oils. ... | 09/16/2008 |
| 7323607 | Process for preparation of (+)-p-mentha-2,8-diene-1-ol A process for preparing (+)-p-mentha-2,8-diene-1-ol comprising reacting (+)-limonene oxide with at least one amine in the presence of at least one Lewis acid to form amine adduct intermediates. The amine adduct is then oxidized to form an N-oxide that is pyrolized t... | 01/29/2008 |
| 7115786 | Method for production of β-cryptoxanthin and α-cryptoxanthin from commercially available lutein The present invention relates to a method of reacting (3R,3′R,6′R)-lutein with a catalytic amount of an acid to obtain a mixture of anhydroluteins, rich in anhydrolutein III, with substantially no Z-isomers being formed. The mixture is converted to (3R)-β-crypt... | 10/03/2006 |
| 6894198 | Granular akali metal alkoxides and alkaline earth metal alkoxides An alkali metal alkoxide or alkaline earth metal alkoxide in granular form. ... | 05/17/2005 |
| 6867335 | Uncatalysed addition reactions The present invention relates to process wherein (+)-2-carene epoxide is coupled with a compound X—Y that contains nucleophilic and electrophilic moieties, to produce a compound of formula (5). The reaction mixture consists essentially of a source of (+)-2-carene ... | 03/15/2005 |
| 6559118 | Fragrance compounds Novel compounds having the structure (I) where R1 is a lower alkyl group, R2, R3, R4 and R5 is each independently hydrogen or a lower alkyl group, R6 is hydrogen, a lower alkyl group, an al... | 05/06/2003 |
| 6348622 | Vitamin a related compounds and process for producing the same There is provided a compound of the formula[I]: ##STR1## wherein R represents a hydrogen atom or a protective group for a hydroxyl group; and A represents a hydrogen atom, a halogen atom or a group of the formula A1: ##STR2## Q represents Q3: ##STR3#... | 02/19/2002 |
| 6310262 | Process for preparing retiferol derivatives A new process prepares retiferol derivatives of formula I: ##STR1## wherein A is --C .ident.C-- or --CH.dbd.CH--, and R1 and R2 are independently of each other lower alkyl or lower perfluoroalkyl, one version couples ketones of formula 1I... | 10/30/2001 |
| 6303837 | Process for synthesizing -substituted ring systems Using the process according to the invention, it is possible to provide, with few reaction steps, a novel route to -substituted ring systems, which optionally have further substituents.... | 10/16/2001 |
| 6278031 | Catalyst and process for preparing 2-buten-1-ol compounds The fixed-bed catalyst comprises palladium and selenium or tellurium or a mixture of selenium and tellurium on a silicon dioxide support and has a BET surface area of from 80 to 380 m2 /g and a pore volume of from 0.6 to 0.95 cm3 /g ... | 08/21/2001 |
| 6245952 | Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst The present invention relates to a process for the preparation of alcohols by reduction of the carbonyl function in substrates belonging to the class of aldehydes, ketones, esters or lactones, which substrates may contain unsaturated functions other than ... | 06/12/2001 |
| 6184422 | Cyclohexanediol derivatives Compounds of formula I ##STR1## wherein X is C.dbd.CH2 or CH2 ; Y and Z are independently of each other hydrogen, fluorine or hydroxy; A is --C.tbd.C--, --CH.dbd.CH-- or --CH2 --CH2 --, R1 and R2 are... | 02/06/2001 |
| 6184381 | Process for preparing optically active compounds This document describes a novel and practically excellent process for the preparation of optically active compounds, such as optically active alcohols or amines which are useful for various applications, for example, as synthetic intermediates of pharmace... | 02/06/2001 |
| 6111125 | Preparation of (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone and derivatives and stereoisomers of this compound A process for preparing 4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketones of the general formula I, in particular of the (1R,4S)-4-hydroxy-1,2,2-trimethylcyclopentyl methyl ketone of the formula Ia ##STR1## which is required for preparing the ... | 08/29/2000 |
| 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 mixture with alkali to obtain an alkali-containing mixture, ... | 10/26/1999 |
| 5900513 | Production method of 2-cyclohexene-1-ol The present invention provide a method for producing 2-cyclohexene-1-ol which comprises using a catalyst containing an inetermetallic compound of palladium and lead and/or bismuth when cyclohexenyl hydroperoxide is subjected to hydrogenolysis to produce 2... | 05/04/1999 |
| 5814612 | Retinol derivatives and uses thereof The present invention provides a purified retinoid compound characterized by a molecular mass of about 320 daltons and an atomic composition of C20 H32 O3. The present invention also provides a purified retinoid compound h... | 09/29/1998 |
| 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 disclosed. A xanthophyll diester-containing plant extract is s... | 07/15/1997 |
| 5498805 | High temperature flashpoint, stable cleaning composition The present invention relates to an aqueous based micellar solution in the form of a microemulsion which is an effective all-purpose cleaner and which has a flashpoint in excess of its boiling point which is typically greater than 212 degrees Fahrenheit.... | 03/12/1996 |
| 5329053 | Process for the manufacture of known odorants A novel process is described for the manufacture of a mixture of 6-(2',6',6'-trimethyl-cyclohex-1'-en-1'-yl)-4-methyl-hex-3-en-1-ol and -4-en-1-ol (I) and, respectively, of a mixture of [3a,5aଲ,9a,9bଲ]-dodecahydro-3a,6,6,9a-tetra... | 07/12/1994 |
| 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 R1 and R3 represent each a hydrogen atom or a methyl radical and symbol R2 stands for... | 12/07/1993 |
| 5250739 | Process for catalytically oxidizing cycloolefins, particularly cyclohexene This invention is a process for catalytically oxidizing cycloolefins, particularly cyclohexenes, to form a variety of oxygenates. The catalyst used in the process is a covalently bonded iridium-heteropolyanion species. The process uses the catalyst in con... | 10/05/1993 |
| 5234902 | Compositions containing high proportion of alpha,3,3-trimethyl-1-cyclohexen-1-methanol derivative, organoleptic uses thereof and process for preparing same Described are alpha,3,3-trimethyl-1-cyclohexen-1-methanol derivative-containing composition having from about 85 up to about 90% by weight of a compound having the structure: ##STR1## and from about 10 up to about 15% by weight of a compound having t... | 08/10/1993 |
| 5229425 | Process of producing reference bactericidal endpoint (RBE) limonene A process for producing a stable, bactericidal and fungicidal composition which consists essentially of bubbling air or oxygen into limonene, to produce an oxidized limonene having a rapid bactericidal activity as evidenced by the capability of killing su... | 07/20/1993 |
| 5202502 | Process for producing optically active alcohols A chemically and optically pure B-halodiiso-2-ethylapopinocampheylborane of essentially 100% ee represented by the formula: ##STR1## wherein B is borane and X is halo, and a process of using such for the production of optically active alcohols.... | 04/13/1993 |
| 5153229 | Process for producing reference bactericidal endpoint (RBE) limonene A process for producing a stable, bactericidal and fungicidal composition which consists essentially of bubbling air or oxygen into limonene, to produce an oxidized limonene having a rapid bactericidal activity as evidenced by the capability of killing at... | 10/06/1992 |
| 5132471 | Purification of -bisabolol -Bisabolol is purified by distilling a plant extract containing -bisabolol under reduced pressure and drawing off the purified -bisabolol in the lower half of a distillation column as side product, and feeding in the extract above the... | 07/21/1992 |
| 5091597 | Manufacture of tertiary and secondary alcohols by the action of an organo-metallic compound on a compound carrying a carbonyl group Process of preparation of secondary or tertiary alcohols by the action of an organic halide on metallic manganese, in the presence of a carbonyl compound in a solvent followed by hydrolysis; a compound of a metal of Groups II to VIII of the Periodic Class... | 02/25/1992 |
| 5077394 | Porphyrins and uses thereof Disclosed are tetraphenyl porphyrins which are beta-substituted by fluoro or chloro and/or bear electronegative substituents on the phenyl including one or two water solubilizing substituents. The new porphorins are particularly suitable as catalysts in a... | 12/31/1991 |
| 4952716 | Ethynylcyclohexene compounds A process for the manufacture of compounds of the general formula ##STR1## wherein R1 signifies hydroxy or an etherified hydroxy group, and of zeaxanthin by converting a compound of the general formula ##STR2## wherein R1 h... | 08/28/1990 |
| 4929774 | Stable mixture containing oxidation-sensitive compounds, preparation thereof and use of a combination of substances for stabilizing oxidation-sensitive compounds A stable mixture of an oxidation-sensitive compound contains triglycerides, complexing agents and coating substances as well as the oxidation-sensitive compound.... | 05/29/1990 |
| 4892941 | Porphyrins Disclosed are tetraphenyl porphyrins which are beta-substituted by fluoro or chloro and/or bear electronegative substituents on the phenyl including one or two water solubilizing substituents. The new porphorins are particularly suitable as catalysts in a... | 01/09/1990 |
| 4731488 | Vapor-phase hydrogen transfer reaction of carbonyl compound with alcohol A catalyst for vapor-phase hydrogen transfer reaction between a carbonyl compound having an alkenyl or aryl group and a primary or secondary alcohol, said catalyst having a composition represented by the following general formula wherein X represents at l... | 03/15/1988 |
| 4701540 | Process for carotenoid intermediates A process for producing cycloketones of a 5 or 6 carbon chain length through which said ketones are known intermediates for producing carotenoids.... | 10/20/1987 |
| 4661641 | Substituted alkynes useful as intermediates in the synthesis of carotenoids Compounds of the formula ##STR1## wherein n is either 0 or 1; R1 and R2 is hydrogen and the other is hydrogen, hydroxy, oxo group, a protected hydroxy or protected oxo group; R3 is hydroxy oxo group, .dbd.CH--CH2... | 04/28/1987 |
| 4638104 | Preparation of terpinen-4-ols and intermediates A method of preparing terpinen-4-ols and intermediates thereof, by reacting 1,4-cineole with an alkali metal aryl compound, resulting in an E2 elimination reaction of 1,4-cineole.... | 01/20/1987 |
| 4638103 | Preparation of delta-terpineol A method of preparing delta-terpineol by reacting 1,8-cineole with an alkali metal aryl compound resulting in an E2 elimination reaction of 1,8-cineole.... | 01/20/1987 |
| 4588846 | Process for producing cyclic alcohol A process is provided for producing a cyclic alcohol by catalytic hydration of a cyclic olefin in a liquid phase, which comprises using as a catalyst a zeolite having a population ratio of acid sites on the external surface to total acid sites of 0.07/1 o... | 05/13/1986 |
