U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Quotables

"Man will not fly for 50 years."

Wilbur Wright ; 1901

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 554/7 - Phenolic preservative or stabilizer


Subclass of Class 554 - Organic compounds -- part of the class 532-570 series
Definition: Products wherein the preservative or stabilizer contains
No. of patents: 36
Last issue date: 02/12/2008


NumberTitleIssue Date
7329772Method for the preparation of a hydroxyalkyl hindered phenolic antioxidant
A method of making a hindered phenolic antioxidant is disclosed wherein the method comprises: reacting an ester of the formula: wherein ...
02/12/2008
7223877Uses of hydroquinone substituted polyunsaturated fatty acids as antioxidants
This invention provides novel antioxidants comprising hydroquinone substituted polyunsaturated fatty acids. Such fatty acids can be obtained from crude kombo butter and are suitable for preventing oxidation of various organic materials. In particular, the inv...
05/29/2007
6713512Uses of kombic acid as an anticancer and cholesterol-lowering agent
This invention provides a novel antioxidant, kombic acid or a derivative thereof, obtained from crude kombo butter suitable for preventing oxidation of various organic materials. In particular, the invention relates to the use of kombic acid as an antioxidant in the...
03/30/2004
6489494Uses of kombic acid as an antioxidant
This invention provides a novel antioxidant, kombic acid or a derivative thereof, obtained from crude kombo butter suitable for preventing oxidation of various organic materials. In particular, the invention relates to the use of kombic acid as an antioxi...
12/03/2002
6348610Oil from seeds with a modified fatty acid composition
The invention relates to plant seeds that contain an oil having an oleic acid content of more than 5% and less than 65% by weight based upon the total fatty acid content, a linoleic acid content of more than 1% and less than 65% by weight based upon the t...
02/19/2002
6331643Method for preservation of olive oil
A method is described for preservation of olive oil, and preferably extra-virgin olive oil, which discloses freezing or deep-freezing of the olive oil, as soon as it has been pressed, or within three months after being pressed, at a temperature of between...
12/18/2001
6169190Oil of Brassica napus
Oil produced from the seed of Brassica napus plant has an oleic acid content of 71.4-77.4% and a linoleic acid content of no more than 3%. The oil is useful in food and industrial applications. The oil has substantially improved oxidative stability relati...
01/02/2001
5998641Debittering of olive oil
Olive oil with a high polyphenols content and a low bitterness is obtained by exposing olive oil to an emulsified water phase which exhibits enzymatic debittering activity and/or by emulsifying with a water phase with a high polyphenols content and evapor...
12/07/1999
5965755Oil produced from the Brassica napus
A variety of Brassica napus, designated AG019, and varieties essentially derived therefrom, having oil which combines oxidative stability sufficient for industrial applications with a desirable dietary fatty acid profile. Plants, seeds, tissue cultures, a...
10/12/1999
5948926Method for inhibiting oxidation of oils and fats or fatty acids
A method for inhibiting the oxidation of oils and fats or fatty acids which comprises adding an antioxidant and an oxyacid having an average particle size of 200 μm or less to said oils and fats or fatty acids. According to this method, the oxyacid is ea...
09/07/1999
5614648Antioxidant glyceride derivatives
A method of producing an antioxidant containing derivatives of an organic compound, and in particular, an antioxidant glyceride derivative, comprises reacting a first compound with a second medium. By this reaction, a product is formed whereby an active c...
03/25/1997
5380890Antioxidant glyceride derivatives
A method of producing an antioxidant containing compound, and in particular, an antioxidant glyceride derivative, comprises reacting a first compound with a second medium. By this reaction, a product is formed whereby an active component of the first comp...
01/10/1995
5266344Method for making tetrahydrocurcumin and a substance containing the antioxidative substance tetrahydrocurcumin
The present invention relates to a novel compound tetrahydrocurcumin and a substance containing the same, which are produced from curcumin or a substance containing it as a material. This substance has characteristic properties such as strong antioxidativ...
11/30/1993
5155244Preparation of antioxidant glyceride derivatives utilizing esterification
A method of solubilizing a first compound in a second medium where the first compound has a limited solubility in the second medium. In particular, the method comprises reacting the first compound with the second medium. By this reaction, a product is for...
10/13/1992
4665117Basic metal salts having improved color and stability and vinyl halide polymers containing same
In accordance with the present invention, it has been found that the color and stability of basic alkali and alkaline earth metal salts prepared from mixtures containing a phenol can be improved by conducting the reaction in the absence of free oxygen and...
05/12/1987
4380554Polymeric monohydroxybenzenoid hydroquinoid antioxidants
Compositions of oxidizable organic materials having stabilizing amounts of polymeric monohydroxybenzenoid hydroquinoid antioxidants of from about 500 to about 10,000 molecular weight, and the said polymers which are the reaction products of an alpha, alph...
04/19/1983
4363823Method of frying foods in the presence of a spice antioxidant
Fried foods are produced by adding an antioxidant to a frying oil and then frying a desired food stuff therein at 100°-250° C. The antioxidant is obtained by subjecting a starting material, selected from the group consisting of herb family spices, resid...
12/14/1982
4326978Soap bar with antimicrobial action
A soap bar which contains, as antimicrobial compound, a halogenated o-hydroxydiphenyl ether, as well as a colorless silicate which is virtually insoluble in water and wich diminishes the discoloration of the soap caused by the antimicrobial compound on ex...
04/27/1982
4309336Polymeric compositions containing antioxidants
Composition of matter comprising a polymeric material containing xylene-bis(decahydroquinoxalin-2-one) antioxidant, a mixture thereof, or a synergistic mixture thereof with a hindered phenol antioxidant....
01/05/1982
4307012Polymeric alkylbenzenoid hydroquinoid antioxidants
Compositions of oxidizable organic materials having stabilizing amounts of polymeric alkylbenzenoid hydroquinoid antioxidants of from about 500 to about 50,000 molecular weight, and polymers which are the reaction products of a hydroquinone compound and a...
12/22/1981
4288361Substituted oxazolines as stabilizers
Oxazolines having at least one 3,5-dialkyl-4-hydroxyphenyl alkanoie acid ester substituent are provided. Such oxazolines are found to be useful as antioxidants in organic substances normally susceptible to oxidative deterioration....
09/08/1981
4254020Synergistic antioxidant mixtures
Compounds of the formula: ##STR1## wherein R is selected from (1) alkyl radicals having 6 to 20 carbon atoms; (2) phenyl radicals which may be substituted by 1 or 2 alkyl groups having 1 to 8 carbon atoms; or (3) aralkyl radicals having 7 to 12 carbo...
03/03/1981
42228834,4'-Furfurylidene bis(2,6-di-tert-butylphenol)antioxidant
Organic material is effectively stabilized against oxidative degradation by adding a small amount of 4,4'-furfurylidene bis(2,6-di-tert-butylphenol)....
09/16/1980
42217029-Thiabicyclo [3,3,1] nonanediyl-2,6-bis[3-(3,5-di-tert-butyl-4-hydroxyphenyl) propionate]
A compound of the formula ##STR1## is useful in protecting organic materials normally subject to oxidative degradation. Among the products benefiting from the incorporation of this phenolic antioxidant are synthetic and natural rubbers, petroleum pro...
09/09/1980
4132702Phenol esters and amides and polymers stabilized therewith
Compounds of the formula I ##STR1## in which R1 and R2 independently of one another denote alkyl, cycloalkyl or aralkyl, R3 denotes hydrogen or, conjointly with R1, denotes tetramethylene, R4 den...
01/02/1979
4093587Trisubstituted hydroxyphenylalkanoic acid ester and amide stabilized compositions
The compounds are esters and amides of trialkylhydroxyphenylalkanoic acid having the formula ##STR1## WHEREIN R, R1 and R2 are independently lower alkyl or cycloalkyl groups, R3 is hydrogen, alkyl, cycloalkyl, alkylen...
06/06/1978
4077971Tetrahydrophthalimide methyl-2-phenylbenzatriazoles
A compound of the formula, wherein R1 is hydrogen or a halogen atom, R2 is ##STR1## R3 is hydrogen, an alkyl group, a cycloalkyl group or an aralkyl group, and n is an integer of 1 or 2, which is useful as ultraviole...
03/07/1978
4076690Phosphonates, process for their manufacture and organic materials stabilized therewith
3,5-Dialkyl-4-hydroxyphenylphosphonates or 3,5-dialkyl-4-hydroxyphenylalkylphosphonates are converted into the corresponding 3-halogeno-5-alkyl derivatives by means of a novel process by reacting them with a halogen or a halogenating agent. These compound...
02/28/1978
4066562Antioxidant
Methylenebis(dicyclopentyl phenols) in which at least one cyclopentyl group is ortho to the phenolic hydroxy group are effective antioxidants in a broad range of organic materials including mineral and synthetic lubricating oil and polyolefins....
01/03/1978
4058502Stabilized compositions containing hindered hydroxyalkanoates
The compounds are esters having the formula ##STR1## wherein R1 is alkyl, cycloalkyl, alkylthioethyl or alkylpolyoxyalkylene, Z is oxygen or sulfur, R2 is the group ##STR2## R3 is hydrogen, alkyl, cycloalkyl, or ...
11/15/1977
4038434Antioxidant stabilized edible compositions
N-Acyl-2,6-dialkyl-p-aminophenols wherein each of the 2,6-alkyl groups has a tertiary଱-carbon atom, are used as antioxidants to stabilize edible organic substances subject to deterioration by oxidation, particularly edible fats, fatty oils, fatty al...
07/26/1977
40325623,5-Dialkyl-4-hydroxyphenylalkanoic acid esters of polyalkylene glycols
Esters of polyalkyleneglycols with 3,5-dialkyl-4-hydroxyphenylalkanoic acids were prepared by simple esterification techniques. An example of such compounds is methoxytriethyleneglycol 3-(3',5'-di-t-butyl-4'-hydroxyphenyl)propionate. These compounds are ...
06/28/1977
4003875Asymmetrical oxalic acid diaryl amide stabilizers
The invention concerns specific new oxalic acid diarylamides which are characterized by an asymmetrical substitution with regard to the central oxalic amide moiety of the formula and by substitution with one or two alkoxy, alkenyloxy, aralkenyloxy or acyl...
01/18/1977
3979360Compositions stabilized with benzoyloxybenzamides
Benzoyloxybenzamides having the formula ##SPC1## Wherein R1 and R2 are lower alkyl or cycloalkyl, R3 and R4 are hydrogen, lower alkyl or cycloalkyl, R5 is hydrogen or alkyl, R6 is alkyl when n is 1 a...
09/07/1976
3956427Benzylated phosphoric acid hydrazides
New benzylated phosphoric acid hydrazides are stabilisers for organic material. They are manufactured from corresponding benzyl hydrazides and phosphoric acid monochlorides or thiophosphoric acid monochlorides....
05/11/1976
3947473Antioxidant chroman compounds
The (6-hydroxy-chroman-2-yl) acetic or carboxylic acid derivatives useful as antioxidants and a method for preparing these derivatives from hydroquinones and intermediates in this synthesis as well as the use of these derivatives as intermediates in the p...
03/30/1976
 
Sign InRegister
Username  
Password   
forgot password?