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Class 252/182.31 - Reactant contains phenolic, phenolic ether, or inorganic phenolate group


Subclass of Class 252 - Compositions
Definition: Subject matter wherein the organic reactant is a phenolic,
No. of patents: 29
Last issue date: 09/09/2008


NumberTitleIssue Date
7422701Oxidation resistant organic hydrogen getters
A composition for removing hydrogen from an atmosphere, comprising a mixture of a polyphenyl ether and a hydrogenation catalyst, preferably a precious metal catalyst, and most preferably Pt. This composition is stable in the presence of oxygen, will not polymerize o...
09/09/2008
7323119Color stabilization of hydroquinone hydroxyethyl ether products
The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule. ...
01/29/2008
7262319Phenolic antioxidants in crystalline form
The invention relates to a process for preparing solid particles of a phenolic antioxidant from the IRGANOX series in the form of crystals, particularly IRGANOX 1010 and 1098, the crystal particles obtainable by the process, the further processing of the crystal par...
08/28/2007
7109328Method for producing acrylic acid
A process for the fractional condensation of a hot gas mixture which as well as acrylic acid contains at least one further condensable component in a column in the presence of at least one stabilizer comprises metering in at least a portion of the at least one stabi...
09/19/2006
6994804Color stabilization of hydroquinone hydroxyethyl ether products
The present invention relates to the color stabilization of hydroquinone hydroxyethyl ethers by phosphite compounds containing the bis-cyclic structure of spiro phosphites, both rings being attached to the same tertiary carbon atom in the phosphite molecule. ...
02/07/2006
6773624Process for the preparation of hindered phosphites
A process to produce organic phosphites from the group consisting of: wherein each R1, R2, and R3 is independently selected from the group consisting of hydrogen, methyl, ethyl, n-propyl,...
08/10/2004
6743764Low viscosity alkyl diphenyl oxide sulfonic acid blends
This invention addresses methods and compositions for providing alkyl diphenyl oxide sulfonic acid blends at useful viscosities for use in surfactants such as DOWFAX-containing surfactants. The low viscosity alkyl diphenyl oxide sulfonic acid blend is made by admixi...
06/01/2004
6676849Low yellowing scorch inhibitor composition
A scorch inhibitor composition for use an additive in the manufacture of polyurethane foams is based on a derivatized phenol, 4-tertbutyl catechol, and optionally, phenothiazine. The derivatized phenol is a di-tert-butyl phenol, preferably a 2,6 tert-buty...
01/13/2004
6555019Sulfur free, low color generating scorch time extending compositions for use in compounding and cure of free radical initiator curable polymers
Sulfur free, crosslinking, scorch-retarding compositions for compounding and cure of polymers susceptible to cure by free radical initiators are disclosed....
04/29/2003
6258866Blowing agent compatabilization
Provided herein are subcombinations from which polyurethane foams and polyurethane foams containing polyisocyanurates may be prepared. The subcombinations are unique in that they contain components which synergistically act towards promoting compatibility...
07/10/2001
5958593Hardener for epoxy resins
A hardener for epoxy resins is disclosed the use of which imparts improved resistance in the resins to aging on exposure to ultraviolet radiation. The hardener comprises (a) at least one amine selected from the group consisting of trimethylhexamethylenedi...
09/28/1999
5804688Compounds and compositions for delivering active agents
Carrier compounds and compositions therewith which are useful in the delivery of active agents are provided. Methods of administration and preparation are provided as well....
09/08/1998
5773647Compounds and compositions for delivering active agents
Carrier compounds and compositions therewith which are useful in the delivery of active agents are provided. Methods of administration and preparation are provided as well....
06/30/1998
5643494Process for the preparation of aromatic hydroxy carboxylic acids
A process for the preparation of aromatic hydroxy carboxylic acids by reacting alkali metal phenolates or alkali metal naphtholates with alkali metal carbonates and carbon monoxide, with subsequent acidification, wherein the solid starting materials--alka...
07/01/1997
5631049Process of curing a gasket coating
A formulation for a resilient gasket coating which is curable by ultraviolet radiation without emitting fumes into the surrounding environment. Different portions of the coating are cured by successive exposure to two different wavelengths of ultraviolet ...
05/20/1997
5503937Curable composition which comprises adducts of heterocyclic compounds
A curable composition which comprises: (1) a compound which contains on average more than 1 epoxy group per molecule; (2) a compound which contains on average more than 1 phenolic hydroxyl group per molecule; and (3) a catalytic amount of a catalyst compound w...
04/02/1996
5391681Curable compositions based on epoxy resins or mixtures of epoxy resins and polyisocyanates containing trisimidazolyl triazines
Curable compositions based on epoxy resins or a mixture of epoxy resins and polyisocyanates and containing at least one compound of formula I: ##STR1## wherein R1, R2, R3, R4, R5, R6, R
02/21/1995
5310853Precatalyzed catalyst compositions, process for preparing resins, curable compositions, articles resulting from curing the resultant compositions
The reaction between epoxy compounds and active hydrogen-containing compounds or anhydrides is catalyzed with a phosphine or phosphonium compound containing at least three C1 to C4 alkyl phenyl groups attached to the phosphorous atom...
05/10/1994
5202407Precatalyzed catalyst compositions, process for preparing epoxy resins curable compositions, articles resulting from curing the resultant compositions
The reaction between epoxy compounds and active hydrogen-containing compounds or anhydrides is catalyzed with a phosphine or phosphonium compound containing at least three C1 to C4 alkyl phenyl groups attached to the phosphorus atom ...
04/13/1993
5098603Stabilized phenol solution
A buffered and chelated phenol solution has been stablized by adjusting the pH within a critical range and maintaining the solution under inert gas atmosphere. The solution, which may be combined with chloroform, is useful to denature soluble proteins dur...
03/24/1992
5069821Stable sodium tetraphenylborate solutions
Stable alkaline aqueous solutions of sodium tetraphenylborate....
12/03/1991
4994594Oligomeric carbonate chainstoppers
Oligomeric carbonate dihydroxyaromatic-based chainstoppers are disclosed. One example of this type of chainstopper is a bisphenol A bischloroformate oligomer monocapped with phenol. These chainstoppers may be prepared by phosgenating a dihydroxyaromatic c...
02/19/1991
4948439Composition and process for inflating a safety crash bag
Composition and process for inflating an automobile or aircraft safety crash bag comprising igniting at elevated pressure a pyrotechnic material comprising at least one tetrazole or triazole compound containing hydrogen in the molecule, at least one oxyge...
08/14/1990
4933496Process for producing an aqueous 4-hydroxyacetophenone (4-hap) which is stable at room temperature
A process for preparing a stable 4-hydroxyacetophenone oil by mixing 4-hydroxyacetophenone with an aqueous hydroxylamine salt in the absence of added caustic, at a temperature of 50°-100° C., for about 10-60 minutes and then cooling the same is disclose...
06/12/1990
4847415Methods and composition for deactivating iron in hydrocarbon fluids
Certain Mannich reaction products (i.e., alkylated phenol, polyoxyalkylenediamine, and an aldehyde) are used to deactivate iron species already present in hydrocarbon fluids. Left untreated, such iron species lead to decomposition resulting in the formati...
07/11/1989
4774019Agent for precipitative separation of proteins from blood plasma
An apparatus is provided for reacting a solution of a precipitating medium of alkaline metal chlorides at a fixed rate of delivery with plasma continuously separated from blood, filtering the precipitate formed by the reaction, removing the solution of pr...
09/27/1988
4687593Alkylaryl sulfonate compositions
Alkylarylsulfonate compositions containing low 2-phenyl alkylbenzene sulfonates and alkylated diphenyl oxide sulfonates are provided. The compositions have improved solubility and detergency properties and are useful in aqueous base detergent formulations...
08/18/1987
4231888Composition used for extracting copper from aqueous copper salts
A process for extracting metal values from aqueous solutions of metal salts which comprises the steps of contacting the aqueous solution with a solution in a water-immiscible organic solvent of one or more o-hydroxyaryloximes containing at least 3 aliphat...
11/04/1980
3974084Process for the manufacture of anhydrous alkali metal arylate solutions and separation of the arylates from alkali metal sulfite
Anhydrous organic solutions of alkali metal arylates are prepared by dissolving an alkali metal arylate or reacting an arylhydroxy compound with alkali metal hydroxide in a ketone immiscible or incompletely miscible with water at room temperature and remo...
08/10/1976
 
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