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| Number | Title | Issue Date |
| 4013714 | Substituted bis-(dicarboxymethyl)-ethers Compounds represented by the formula ##EQU1## wherein Rx is ##EQU2## AND A is hydrogen, methyl, ethyl, CH2 OH or RxOH; M being alkali metal, ammonium, alkyl ammonium, or alkanol ammonium and Rz being hydrogen, alkyl, phenyl, phen... | 03/22/1977 |
| 3966802 | Process for preparing acrylic acid and oxidation catalyst The present invention relates to a process for preparing acrylic acid by oxidizing acrolein and to an oxidation catalyst. More particularly, the present invention relates to a catalyst and a process for preparing acrylic acid by oxidizing acrolein or a mixed ... | 06/29/1976 |
| 3966797 | Dinorbornenes Dinorbornene compounds, many of them novel, have been found to form polymers having a ladder structure. The dinorbornene compounds and dinorbornene polymers with other polymers such as the polyolefins, vinyl polymers, acrylic polymers, polyesters, polyami... | 06/29/1976 |
| 3965149 | Method for recovery of methyl methacrylate from mixed polymeric materials A method for recovering methyl methacrylate from a mixture of polymeric materials containing poly (methyl methacrylate) which comprises contacting the mixture with a boiling C5 - C8 alkane, separating an insoluble residue containing ... | 06/22/1976 |
| 3959351 | Haloalkylbenzoyl esters of di-lower alkylamino alkanols and quaternary lower alkyl salts thereof There are provided certain novel halo lower alkyl benzoyl esters of di(lower alkyl amino) lower alkanols and the quaternary salts thereof, in particular the bromomethyl benzoyl esters of dimethyl aminoethanol and choline which possess activity as insectic... | 05/25/1976 |
| 3956382 | Process for the production of ether polycarboxylic acids A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkaline compound selected from the group of alkali metal carbonates, bicarbonates an... | 05/11/1976 |
| 3956378 | Process for the manufacture of unsaturated aldehydes and acids from the corresponding olefins A process for the catalytic oxidation of olefins to unsaturated aldehydes and acids and the ammoxidation of olefins to unsaturated nitriles in which the catalyst comprises a promoted, reduced, antimony oxide-molybdenum oxide-containing catalyst.... | 05/11/1976 |
| 3956366 | N-monohalomonosubstituted ureas A process for making N-monochloro or bromo monosubstituted urea where a urea RNH--CO--NH2 is suspended in liquid water at 0°C-60°C and reacted with free chlorine or free bromine, at least 2 g. atoms per mole of urea, preferably in the presenc... | 05/11/1976 |
| 3956381 | Method for preparation of ether polycarboxylic acids A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alkyl carbonate and (2) optionally, heavy metal catalysts and inert dilu... | 05/11/1976 |
| 3956383 | Method for manufacturing ether polycarboxylic acids A process for the production of ether polycarboxylic acids comprising reacting alkali metal salts of ether carboxylic acids with carbon dioxide in the presence of (1) an alkali metal alcoholate and (2) optionally, heavy metal catalysts and inert diluents ... | 05/11/1976 |
| 3954749 | Beta-amino carbonyl catalysts for polyurethane preparation Provided as catalysts for the formation of cellular urethane polymers ranging from flexible to rigid foams, are beta-amino carbonyl compounds wherein carbonyl is present as an amido or carboxylic acid ester group and the beta-amino group is present as dia... | 05/04/1976 |
| 3953504 | Racemization of optically active tartaric acid An optically active enantiomer of tartaric acid or a salt thereof is racemized by mixing meso-tartaric acid or a salt thereof with a solution of an optically active enantiomer of tartaric acid or a salt thereof in a molar ratio of 0.2 - 0.5 and thereafter... | 04/27/1976 |
| 3952034 | Carbonylation of olefins and acetylenes Olefins and acetylenes are carbonylated to a carboxylic acid or ester using a homogenous catalyst system comprising palladium together with iron or a metal of Groups IVA, VA or IIIB, the catalyst being either a polynuclear complex incorporating both metal... | 04/20/1976 |
| 3951969 | N-substituted-p-(2-chloroethyl)-phosphonamidates Plant growth regulating compounds are N-substituted-P-(2-chloroethyl)-phosphonamidic esters of the formula: ##EQU1## wherein R is cycloalkyl, R1 is hydrogen or cycloalkyl or R and R1 together form a heterocyclic ring such as mor... | 04/20/1976 |
| 3952054 | Process for preparing diglycolic acid Diglycolic acid is prepared by oxidation of p-dioxanone.... | 04/20/1976 |
| 3950410 | Oxidation process In the oxidation of a liquid alcohol and/ketone with nitric acid to a carboxylic acid, especially of a mixture of cyclohexanol and cyclohexanone to adipic acid, temperature is controlled during the reaction in which gas is evolved by contacting the reacti... | 04/13/1976 |
| 3950399 | 1,4-Diacyloxy-2,3-butendiol A new compound, 1,4-diacyloxy-2,3-butanediol, having the general formula ##EQU1## where R is hydrogen atom or methyl group. The compound can be used above all as a crosslinking agent in the preparation of crosslinked hydrophilic polymeric gels. This ... | 04/13/1976 |
| 3950332 | -(N-Substituted amino-N-nitrosoamino)acetamides N-substituted amino-N-nitroso-aminoacetamides, e.g., -(N-morpholino-N-nitrosoamino)acetamide, are prepared by hydrolyzing the corresponding 3-N-substituted amino-sydnonimines and have been found to be useful as hypotensive/anti-hypertensive and ant... | 04/13/1976 |
| 3950388 | Process for making hydroxyether carboxylates Organic compounds having a substituent represented by the formula ##EQU1## wherein M is alkali metal or ammonium which are useful complexing agents for metal and/or alkaline earth metal ions are prepared by reaction of a conjugate base of a hemiketal... | 04/13/1976 |
| 3950405 | Trans-4-aminomethylcyclohexane-1-carboxylic acid A trans isomer of 4-cyanoncyclohexane-1-carboxylic acid or its lower alkyl ester is reduced in a solvent in the presence of a hydrogenating catalyst, and hydrolyzing the produced ester in case the starting trans-isomer is a lower alkyl ester, then the tra... | 04/13/1976 |
| 3950397 | Process for the preparation of citric acid esters, citric acid or citric acid salts A process is provided for making a triester of citric acid wherein the cyanohydrin of an acetone dicarboxylic acid diester is reacted with 1 to 3 molar equivalents of an aliphatic alcohol having 1 to 4 carbon atoms and at least two molar equivalents of an... | 04/13/1976 |
| 3948977 | Alkoxy acid or ester preparation A process for producing an alkoxyacetic acid which comprises contacting carbon monoxide with formaldehyde, an alcohol, water, and a catalyst comprising hydrogen fluoride in a reaction zone and under reaction conditions effective to form an alkoxyacetic ac... | 04/06/1976 |
| 3948910 | Aminohalopyridine-N-oxides Compounds are prepared which correspond to the formula ##SPC1## Wherein X represents chloro or bromo; R represents hydrogen; R1 represents a straight or branched chain alkyl of 3 to 6 carbon atoms or cyclohexyl or R and R1 taken toge... | 04/06/1976 |
| 3948986 | Alpha-hydroxy or alkoxy acid preparation A process for producing an alpha-hydroxy carboxylic acid which comprises contacting carbon monoxide with a saturated C2 -C16 aldehyde, water, and a catalyst comprising hydrogen fluoride in a reaction zone and under conditions effecti... | 04/06/1976 |
| 3948985 | Method of producing carboxymethyloxysuccinic acid Carboxymethyloxysuccinic acid is prepared by acidifying the calcium salt of carboxymethyloxysuccinic acid with sulfuric acid at a temperature of 40°C to 80°C; filtering off the CaSO4 .2H2 O by-product and concentrating the filtrate... | 04/06/1976 |
| 3948979 | Process for synthesis of crystalline 2-methacryloyloxyethyltrimethylammonium chloride A process for preparation of 2-methacryloyloxyethyltrimethylammonium chloride crystals in high yields from dimethylaminoethyl methacrylate and methyl chloride is provided. Reaction takes place in an organic reaction solvent. The product crystals formed ar... | 04/06/1976 |
| 3948976 | Partial esters of hydroxy polycarboxylic acids Partial esters of hydroxy-polycarboxylic acids having at least one unesterified carboxyl group and at least one other carboxyl group esterified with an alcohol having one to 20 repeating oxyalkylene groups and a terminal hydrocarbon radical are useful as ... | 04/06/1976 |
| 3948909 | Ashless detergent dispersant for hydrocarbon oils An ashless detergent dispersant for hydrocarbon oils which comprises a mixture of ester-amide-imide compounds obtained by reacting (A) one mole of an alkenyl dibasic acid or alkenyl dibasic acid anhydride having at least 40 carbon atoms in the alkenyl moi... | 04/06/1976 |
| 3947488 | O-Acylation using organothallium compounds Thallous salts of ଲ-dicarbonyl compounds, prepared by reaction of the ଲ-dicarbonyl compounds with a thallous alkoxide, are treated with alkyl halides to give C-alkyl products in high yield, with acyl halides at room temperature to give C-acyl ... | 03/30/1976 |
| 3946008 | Substituted benzopyrano[3,4-c]pyridines Substituted benzopyrano[3,4-c]pyridines having the following structural formula are disclosed: ##SPC1## In the above formula, R1 and R2 are hydrogen, a hydroxyl group or a lower alkoxyl group of from 1 to 6 carbon atoms; and X is an ... | 03/23/1976 |
| 3944604 | Production of propionic acid The present invention relates to an improved process for the preparation of propionic acid, specifically by the reaction of ethylene with carbon monoxide and water at mild pressure, in the presence of catalyst compositions essentially comprising critical ... | 03/16/1976 |
| 3944606 | Process of producing alkali metal or ammonium citrates Alkali metal or ammonium citrates are produced from solutions of citric acid obtained by chemical reaction or by fermentation by extraction by means of a specific water-immiscible mixture of aliphatic amines and organic solvents and re-extracting the resu... | 03/16/1976 |
| 3944603 | Production of propionic acid Production of propionic acid and propionic anhydride with the repression of polyketone formation by carboxylating ethylene utilizing a catalyst system essentially composed of an iridium compound in the substantial absence of added halide components.... | 03/16/1976 |
| 3943170 | Process for the preparation of halo-methylphosphinic acid halides A process for the preparation of halo-methylphosphinic acid halides of the formula I ##EQU1## where R1 is alkyl, aralkyl or aryl having from 1 to 18 carbon atoms, and X is halogen, which comprises reacting phosphinic acid derivatives of ... | 03/09/1976 |
| 3941783 | Process for the production of N,N-disubstituted carboxylic amides A process for the production of N,N-disubstituted carboxylic amides by reacting carboxylic acid with carbamoyl chloride.... | 03/02/1976 |
| 3939200 | Aliphatic acyl-containing amine hydrochlorides Novel acyl-containing amine hydrochlorides are produced by first converting the amino group or groups of an amino acid to an acid salt by reaction with hydrochloric acid and the resulting product is reacted with an alkanolamine or diol in an inert liquid ... | 02/17/1976 |
| 3936449 | Anti-arrhythmic agents A series of 5-endo-carbamoyloxy-N-[amino(lower)-alkyl]bicyclo[2.2.1]heptane-2,3-di-end o-carboxylic acid imides have been found to possess unique prophylactic and therapeutic activity as anti-arrhythmia agents. An example of such a compound possessing... | 02/03/1976 |
| 3935257 | Chemical compounds Compounds represented by the formula ##EQU1## wherein M is alkali metal and acids thereof are useful intermediates for preparation of sequestrant compounds represented by the formula ##EQU2## and acids thereof.... | 01/27/1976 |
| 3935207 | Conjugate addition Organic compounds are prepared by a novel method of conjugate addition in which a donor compound including a carbanion derived from an activated methylidyne group is treated with an acceptor compound including a carbon-carbon unsaturated bond conjugated w... | 01/27/1976 |
| 3933825 | Amine salts of acyl lactylic acids Organic amine salt of acyl lactylic acids.... | 01/20/1976 |
