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

Icon_funbox Did You Know...

...that it was melting ice cream that inspired the invention of the outboard motor? It was a lovely August day and Ole Evinrude was rowing his boat to his favorite island picnic spot. As he rowed, he watched his ice cream melt and wished he had a faster way to get to the island. At that moment the idea for the outboard motor was born!

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 252/188.1 - REDUCTIVE BLEACHANT, DEOXIDANT, REDUCTANT, OR GENERATIVE


Subclass of Class 252 - Compositions
Definition: Composition which contains substances for use in bleaching
No. of patents: 74
Last issue date: 11/06/2007


1    
NumberTitleIssue Date
7290959Electrode heating with remediation agent
A remediation method and system is disclosed. A plurality of conductors is installed into the subsurface to introduce electrical current to produce heat in the subsurface. One or more agents are released into the subsurface to cause or accelerate the decomposition o...
11/06/2007
7273567Energy-activated compositions for controlled sustained release of a gas
A composition for energy-controlled generation and release of at least one gas, which includes an energy-activated catalyst capable of being activated by electromagnetic energy, and a solid or a liquid containing anions capable of being oxidized by the activated cat...
09/25/2007
7064231Optically active diamines and their use in catalytic processes
The invention relates to stereoisomerically enriched diamines, to metal complexes comprising these diamines and also to their use in a process for asymmetrically reducing ketones using silanes, in particular polymethylhydrosiloxane, as reducing agents. ...
06/20/2006
6953535Initiator system for acid dental formulations
The invention relates to a redox initiator system which allows dental formulations to be cured in acidic medium by way of a free-radical polymerization and which ensures a high level of adhesion of the polymerizing composition to the hard substances of the teeth, na...
10/11/2005
6911069Stain resistant coating composition
Iodine or iodophor stain resistance is imparted to a surface by applying a hardenable coating composition containing an effective amount of a reducing agent having a redox potential sufficient to decolorize an iodine or iodophor stain. The reducing agent reacts with...
06/28/2005
6863988Oxygen scavenging monolayer bottles
Monolayer packages comprised of an oxygen scavenging composition suitable for direct contact with package contents and recycle with other polyester bottles are disclosed. The oxygen scavenging composition is comprised of a modified copolymer which is comprised of pr...
03/08/2005
6821594Oxygen-absorbing label
The oxygen-absorbing label of the present invention has a laminated structure successively comprising a base layer having a release adhesive layer on its surface, an oxygen-absorbing sheet made from an oxygen-absorbing resin comprising a thermoplastic resin and an o...
11/23/2004
6755990Monopropellant system
“The invention is directed to a monopropellant composition for propulsion and/or gas generation, comprising a solution of hydrazinium nitroformate (HNF) and/or ammonium dinitramide (ADM) in water and/or an alkanol.” ...
06/29/2004
6746622Oxygen scavenging compositions comprising polymers derived from tetrahydrofurfuryl monomers
Herein is disclosed an oxygen scavenging composition, comprising an oxygen scavenging polymer comprising units having structure I: wherein R is selected from the group consisting of —H and —C1-C6
06/08/2004
6642047Exothermic chemistry and method for generating an anaerobic environment
The present invention provides a method and device for creating an environment in a container that is suitable for growing anaerobic bacteria. The device utilizes exothermic chemistry to deplete oxygen and drive the decomposition of a bicarbonate present ...
11/04/2003
6607795Oxygen scavenging compositions comprising polymers derived from aromatic difunctional monomers
Herein is disclosed an oxygen scavenging composition, comprising (i) an oxygen scavenging polymer comprising units having structure I: ##STR1## wherein R1 and R2 are independently selected from the group consisting of --O--, --NCO--,...
08/19/2003
6596190Remediation agent for contaminated soil and method for the remediation of soil
A method for the remediation of contaminated soil directly and effectively removes the contaminants such as organic halides from the contaminated soil, using remediation agents for soil. In more detail, the agents include a slurry of fine iron particles i...
07/22/2003
6592778Method for producing propellant compacts
The invention relates to a method for producing propellant compacts for use in gas generators for safety devices in motor vehicles by extrusion, comprising the following steps: mixing the constituents of the propellant and stirring the mixture into a past...
07/15/2003
6533960Reduction of carbonyl compounds by a silane in the presence of a zinc catalyst
A reductive system including a silane, preferably PMHS, and an active zinc compound, which is monomeric and not a hydride, wherein a reduction of a carbonyl substrate to a corresponding alcohol is achievable....
03/18/2003
6402984Composition for preventing corrosion using a sulfite-based oxygen scavenger
The invention effectively prevents occurrence of corrosion in water tubes or the like of boilers. The invention provides a method for operating a boiler, including regulating a concentration of sulfate ions SO42- in boiler water to u...
06/11/2002
6322656Method and composition for amine borane reduction of copper oxide to metallic copper
An improvement in a method of bonding copper and a resin together wherein a copper oxide layer is formed on the surface of copper by the oxidation of metallic copper, the copper oxide layer is reduced to metallic copper with an aqueous reducing solution c...
11/27/2001
6254803Oxygen scavengers with reduced oxidation products for use in plastic films
An oxygen scavenger composition, for use in or with plastics materials, includes a polymer or oligomer having at least one cyclohexene group or functionality. The composition produces only low levels of volatile or extractable (from a plastics material in...
07/03/2001
6254804Oxygen scavengers with reduced oxidation products for use in plastic films
An oxygen scavenger composition, for use in or with plastics materials, includes a polymer or oligomer having at least one cyclohexene group or functionality. The composition produces only low levels of volatile or extractable (from a plastics material in...
07/03/2001
6171347Compositions, methods and kits for reductively removing color from dyed hair
A multicomponent kit for coloring and later removing color from fibers is described, which consists of a first component and a second component. The first component includes a composition for oxidative dyeing of hair and the second component includes an a...
01/09/2001
6139935Oxygen-absorbing label
An oxygen-absorbing label consisting of a base sheet, adhesive on the base sheet for securing the base sheet to an internal surface of a container, an oxygen-absorbing composition on the base sheet, and a cover sheet secured to the base sheet to confine t...
10/31/2000
6133219Reductive bleaching agent
A reductive bleaching composition containing: (a) from 80 to 90% by weight of a glucose component; (b) from 1 to 5% by weight of a nonionic surfactant; and (c) from 5 to 20% by weight of a buffer salt selected from the group consisting of an inorganic buf...
10/17/2000
6106579Compositions and methods for dyeing and safe decolorizing of fibers, especially hair, and multi-part kit for repeatedly changing dyed fiber color
The method for decolorizing fibers includes applying a decolorizing composition according to the invention to dyed fibers and allowing the composition to act on the fibers for a sufficient time to remove dyed color from the dyed fibers. The decolorizing c...
08/22/2000
6048985Borane-tetrahydrofuran complex method of storing and reacting borane-tetrahydrofuran complex
A method of stabilizing borane-tetrahydrofuran complex comprises the step of maintaining the temperature of the borane-tetrahydrofuran complex at or below 20° C. A method of reacting a borane reagent with a substrate comprises the steps of heating the bo...
04/11/2000
5958254Oxygen scavengers independent of transition metal catalysts
A composition for reducing the concentration of molecular oxygen present in an atmosphere or liquid, comprising at least one reducible organic compound which is reduced under predetermined conditions. The reduced form of the compound being oxidizable by m...
09/28/1999
5922851Methods of chelating or bleaching using phosphonomethylated chitosans
Phosophonomethylated chitosans containing repeating units of formula ##STR1## wherein R1 is hydrogen or a radical of formula ##STR2## R2 is a radical of formula (1a), X1 and X2 are each independently o...
07/13/1999
5777091Phosphonomethylated chitosans
Phosophonomethylated chitosans containing repeating units of formula ##STR1## wherein R1 is hydrogen or a radical of formula ##STR2## R2 is a radical of formula (1a), X1 and X2 are each independently o...
07/07/1998
5753029Method for bleaching kaolin clay
An improved method for improving the brightness of clay of the type that is capable of being bleached by an oxidative reagent, such as Georgia gray kaolin. Such clay, in the form of a dispersed slurry, is treated with a combination of an inorganic condens...
05/19/1998
5736065Chemical reducing solution for copper oxide
A chemical reducing solution obtained by using an alkali boron hydride as a reductant and adding thereto a water-soluble, polyoxyethylene chain-containing organic compound having a molecular weight of 200 or above molecule as an additive has merits in tha...
04/07/1998
5720823Composition and process for desmutting and deoxidizing without smutting
A chromium and ferricyanide free aqueous deoxidizer/desmutter for aluminum and magnesium alloys contains nitric acid, ferric ions, and molybdate and/or condensed molybdate anions and preferably also sulfate and fluoride....
02/24/1998
5707953Fluidized bed coated amidoperoxyacid bleach composition
A coated bleach composition for laundering which contains from 1-97 weight percent of an amidoperoxyacid, and 0-98 weight percent of a hydratable amidoperoxyacid compatible material, less than 2.0 weight percent of water, and a coating of 2-30 weight perc...
01/13/1998
5686161Moisture-sensitive label
An oxygen-absorbing label and a moisture-sensitive label. The oxygen-absorbing label consists of a base sheet, adhesive on the base sheet for securing the base sheet to an internal surface of a container, an oxygen-absorbing composition on the base sheet,...
11/11/1997
5667863Oxygen-absorbing label
An oxygen-absorbing label consisting of a base sheet, adhesive on the base sheet for securing the base sheet to an internal surface of a container, an oxygen-absorbing composition on the base sheet, and a cover sheet secured to the base sheet to confine t...
09/16/1997
5474835Cationic silicones
A cationic silicone compound which can be employed in a variety of environments, such as a fiber lubricant, textile fabric softener, hair conditioner, and skin conditioner is formed from an aminosilicone compound which has the following Formula (I): ...
12/12/1995
5393447Composition and process for desmutting and deoxidizing without smutting
A chromium and ferricyanide free aqueous deoxidizer/desmutter for aluminum and magnesium alloys contains nitric acid, ferric ions, persulfate, and molybdate and preferably also sulfate, fluoride, and ethoxylated acetylenic diol surfactant....
02/28/1995
5366510Process for desizing and color fading garments
A process for desizing an/or color fading of fabrics and garments utilizing a reducing agent. The process is particularly for pretreating fabrics which are subsequently decolorized with oxidizing agents....
11/22/1994
5314987Barrier compositions and film made therefrom having improved optical and oxygen barrier properties
Novel blends of (i) PET, PBT, CoPET, CoPBT or mixtures thereof with (ii) nylon, wherein component (i) is from a catalyst system based on antimony and germanium, or has virtually no residual cobalt and manganese are disclosed and claimed. These blends have...
05/24/1994
5256331Water-in-oil emulsions containing hydroxylamine
Water-in-oil emulsions are disclosed wherein the continuous phase comprises an oil and an emulsifier and the discontinuous phase comprises an aqueous solution of a hydroxylamine or an at least partially neutralized hydroxylamine salt....
10/26/1993
5244582Immobilized reagents for scavenging nitrosating agents
This invention relates to reactive groups immobilized on inorganic substrates such as derivatized glass, silica, ceramics, or metals. The immobilized reactive groups can be used to inactivate or remove nitrosating agents in liquids, thereby reducing the f...
09/14/1993
5234616Method of laundering clothes using a delayed onset active oxygen bleach composition
Peroxygen bleach compositions which can be used together with oxygen-sensitive wash aids are disclosed. Combination products comprising these bleach compositions together with the oxygen sensitive wash aids are disclosed as well as are methods of launderi...
08/10/1993
5227152Radiopharmaceutical bacteriostats
Benzalkonium chloride and benzethonium chloride are each useful in radiopharmaceutical preparations as bacteriostatic agents which are compatible with anti-oxidants....
07/13/1993
1    
 
Sign InRegister
Username  
Password   
forgot password?