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Mark Twain (Samuel L. Clemens) received Patent No. 121,992 for "An Improvement in Adjustable and Detachable Straps for Garments." He later received two more patents: one for a self-pasting scrapbook and one for a game to help players remember important historical dates.

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Class 568/701 - With preservative or stabilizer


Subclass of Class 568 - Organic compounds -- part of the class 532-570 series
Definition: Products under sublcass 700 wherein the -OH or -OM containing
No. of patents: 31
Last issue date: 02/22/2005


NumberTitleIssue Date
6858761Process for preserving resin catalyst for addition reaction of alkylene oxide and utilization of this process
The present invention provides a process and its utilization in a process comprising the step of carrying out an addition reaction of an alkylene oxide to an addition-receiving substance in the presence of a resin catalyst, thereby producing the addition reaction pr...
02/22/2005
6252106Method for stabilizing a sex pheromone compound
An efficient method is proposed for the stabilization of a sex pheromone compound of insect pest, which is a long-chain aliphatic unsaturated ester, alcohol, ketone or hydrocarbon compound having at least ten carbon atoms and at least one double bond in a...
06/26/2001
5874643Hypophosphorous acid to stabilize fatty alcohols
Fatty alcohol containing admixed therewith a small amount on the order of up to 1.0 wt. % of hypophosphorous acid, exhibits markedly reduced oxidation and oxidation-related deterioration such as discoloration and other side effects. This discovery is part...
02/23/1999
5869565Polyether polyol and polyurethane compositions protected against oxidation and core scorching
Described are compositions protected against thermal and oxidative degradation, comprising A) a polyether polyol or mixtures of such polyols, B) at least one benzofuranone derivative of formula I ##STR1## wherein either two of R1, R7...
02/09/1999
5830935Color of basic metal organic salts by employing C7 -C17 alkyl glycidyl esters and stabilized halogen-containing polymers
A light colored basic alkali or alkaline earth metal organic salt is obtained by the reaction of a basic metal compound, an alkyl phenol and/or a carboxylic acid, carbon dioxide, and thereafter post-treating the reaction product with a C7 -C
11/03/1998
5831102Chemiluminescent 3-(substituted adamant-2'-ylidene) 1,2-dioxetanes
Enzymatically cleavable chemiluminescent 1,2-dioxetane compounds capable of producing light energy when decomposed, substantially stable at room temperature before a bond by which an enzymatically cleavable labile substituent thereof is intentionally clea...
11/03/1998
5798412Alkylene glycol production using carbon catalysts
A process in which carbon is used to catalyze production of alkylene glycols from alkylene oxides and water. Using this process, carbon may be employed to selectively catalyze the hydrolysis of alkylene oxides, such as ethylene oxide, to monoalkylene gylc...
08/25/1998
5399789Process and composition
A process comprising the addition of a degradation inhibiting effective amount of an amine having a boiling point above that of the phenol used in the process to a composition comprising the said phenol and a bisphenol, the addition occurring prior to a p...
03/21/1995
5382708Process for inhibiting dihydric phenol degradation and color formation and composition thereof
A process for improving the color of bisphenol-A and improving yields of bisphenol-A comprises the addition of hypophosphorus acid either prior to or concurrent with a distillation step....
01/17/1995
5371284Phenyl acetylenic acetals
Phenyl acetylenic acetals and thioacetals and their use in the treatment of allergy, asthma, inflammation, arthritis, hyperproliferative skin disease, psoriasis or contact dermatitis are disclosed. Also disclosed are intermediates useful for producing sai...
12/06/1994
5288925Method for inhibiting the deposition of ethylene-vinyl alcohol copolymer
A method for preventing the precipitation of ethylene-vinyl alcohol copolymers in a distillation vessel. The vessel contains water, methanol, and ethylene-vinyl alcohol copolymers. The method includes the step of adding to the distillation vessel from 1 t...
02/22/1994
5218008Polyethers stabilized with 6-chromanol derivatives
6-chromanol derivatives are used as antioxidants in polyethers. These, particularly in conjunction with other antioxidants, provide excellent protection against oxidation at very low levels of use. They are particularly useful in polyethers for preparing ...
06/08/1993
4894486Stabilizer for bisphenols and process of using same
Lactic, malic and glyceric acids have been found to be superior to the hydroxy acids here-to-fore employed for the stabilization of bisphenols. These hydroxy carboxylic acids or their ammonium or alkali metal salts can be added to the feed reactants used ...
01/16/1990
4692544Inhibiting polymerization of ethylenically unsaturated monomers
Certain substituted diaryl amines are used to inhibit the polymerization of ethylenically unsaturated monomers; for example, unsaturated carboxylic acids and derivatives thereof....
09/08/1987
4636476Preserving agent and method of use thereof
A tablet for use in preserving samples of milk for analysis comprises bronopol (2-bromo-2-nitropropane-1,3-diol) and a water-soluble solid organic carboxylic acid, the amount of the organic acid being within the range 0.002-0.07 milli-equivalents per mill...
01/13/1987
4593128Stabilized polyhydroxybutadiene compounds
Polyhydroxybutadiene compounds are storage stabilized against reactivity changes by incorporating therein an effective amount of a di or triphenyl phosphine compound of the formula ##STR1## wherein each x is hydrogen, a halogen or an alkyl or alkoxy ...
06/03/1986
4582943Stabilization of polyalkylene glycols
A stabilizer system containing at least one compound of the formula I ##STR1## and one compound of the formula II ##STR2## the substituents R1, R2, R and R' having the meanings defined in the text, and x being 1 to 3. This ...
04/15/1986
4469901Complex formed for separating isopropylated m-cresols
A process is disclosed for separating 5-isopropyl-m-cresol from other isopropylated m-cresols by treating a mixture of the isopropylated m-cresols with a metal halide salt. The metal halide salt preferentially forms a complex with 5-isopropyl-m-cresol ove...
09/04/1984
4469900Complex formed for separating chlorinated phenols
A process is disclosed for separating closely-boiling chlorinated phenolic compounds from other chlorinated and unchlorinated phenolics by treating a mixture of the phenolics with a metal halide salt. The metal halide salt preferentially forms a complex w...
09/04/1984
4435603Method for preventing caking of polyols
A polyol composition comprising a solid polyol which is crystalline under normal conditions and, as an anti-caking agent therefor, a tertiary amine containing at least two identical organic substituents, each having two to twenty carbon atoms. A method of...
03/06/1984
4405817Stabilized hydroxyl terminated reactive liquid polymers
Shelf stability of hydroxyl terminated liquid polymers is vastly improved by mixing a strong inorganic or organic acid, therewith in order to adjust acid number thereof up to about 12. Amount of the acid used is less than 1% by weight of the liquid polyme...
09/20/1983
4362644Arylalkyl silicone sulfonate-silicate copolymers
Novel arylalkyl silicone sulfonate-silicate copolymers are disclosed which are useful in inhibiting the corrosion of metals below sodium in the electromotive series that come in contact with aqueous liquids, especially aqueous alcohol solutions used as he...
12/07/1982
4359590Titanate ester-stabilized bisphenols
A bisphenol is stabilized against thermal decomposition in the molten state in a non-reactive environment by incorporation in the bisphenol of a small stabilizing amount of a quaternary ester of ortho titanic acid and an aliphatic alcohol....
11/16/1982
4344860Stabilization of silicates using salts of substituted nitrogen or sulfur containing siliconates
Salts of substituted nitrogen or sulfur containing siliconates are effective stabilizers for aqueous silicates in such applications as treating boiler water, geothermal water and other aqueous silicates. They are also useful in antifreeze and coolant solu...
08/17/1982
4316996Discoloration prevention of phenolic antioxidants
Detrimental color change of phenolic antioxidants during production, storage and use in rubbers is inhibited by adding during the synthesis of the phenolic antioxidant a disubstituted hydroxylamine to the catalyst neutralization solution and a substituted...
02/23/1982
4299709Tracer fluids for enhanced oil recovery
Disclosed is a tracer fluid for use in connection with surfactant waterflooding or other chemicalized enhanced oil, recovery processes, and an oil recovery process using the fluid. Fluids containing easily identifiable components such as water-soluble, in...
11/10/1981
4260437Stabilizers for solid propellant binders
Metals such as copper and the transition elements may give rise to serious problems in conventional rubber based solid propellant binders. These metals may accelerate the curing action to such a degree that the pot life of the freshly mixed propellant is ...
04/07/1981
4248867Stabilized oily preparation of 1଱-hydroxy-vitamin D and method for manufacturing the same
A stabilized oily preparation of a 1଱-hydroxy-vitamin D for oral administration comprising a 1଱-hydroxy-vitamin D and, as oily diluent, a triglyceride of saturated middle chain fatty acid which has been treated under certain conditions, and a ...
02/03/1981
4181545Hydroxylic aromatic compounds as additives for rubber-based, composite solid propellants
Contaminant metal ions of the transition elements such as copper and iron for example may give rise to serious problems in the curing of polymeric binders for conventional rubber-based solid propellants. These metal ions may accelerate the curing action t...
01/01/1980
4056507Hindered piperidine carboxylic acids, metal salts thereof and stabilized compositions
Compounds having the formula ##STR1## WHEREIN R1 and R2 are lower alkyl or cycloalkyl, R3 is hydrogen, alkyl, methoxyethyl, alkenyl, propargyl, benzyl or alkyl substituted benzyl, R4 is alkylene, alkyl-thio-alk...
11/01/1977
3997679Stabilization of xanthophylls
The xanthophyll esters, that are normally recovered from plant sources such as the marigold plant, Tagetes erecta, are selectively saponified. The neutralized, selectively saponified material, when incorporated into an inert carrier, provides a stable xan...
12/14/1976
 
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