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Barts, Samuel


Primary examiner statistics: 1442 patents; average approval time: 1441 days
Assistant examiner statistics: 214 patents; average approval time: 599 days

Patents as Assistant Examiner


1            
NumberTitleIssue Date
5861540Substituted 1,1,1-triaryl-2,2,2-trifuoroethanes and processes for their synthesis
Synthetic procedures to tetraalkyls, tetraacids and dianhydrides substituted 1,1,1-triaryl-2,2,2-trifluoroethanes which comprises: (1) 1,1-bis(dialkylaryl)-1-aryl-2,2,2 -trifluoroethane, (2) 1,1-bis(dicarboxyaryl)-1-aryl-2,2,2-trifluoroethane or (3) cycli...
01/19/1999
5672782Process for producing tertiary alcohol and for preparing catalyst therefor
A process for producing a polymer having sulfonic acid groups is provided which comprises treating a polymer having sulfonate salt groups with a ion-exchange resin to change the sulfonate salt groups into sulfonate acid groups with porous-type strongly ac...
09/30/1997
5599969Process of resolving phenylpropionic acids using ଱-methylbenzylamine
A process for the production of a product which is enriched in a desired enantiomer of a phenylpropionic acid selected from ibuprofen and flurbiprofen, or their pharmaceutically acceptable salts, which comprises a resolution stage, a recrystallization sta...
02/04/1997
5596129Process and apparatus for producing aromatic carboxylic acid
It is contemplated by the present invention to produce a high quality aromatic carboxylic acid by a liquid phase oxidation of an alkylbenzene by contacting it with a molecular oxygen-containing gas in a solvent containing a lower aliphatic carboxylic acid...
01/21/1997
5583250Mixtures of isomeric decyl alcohols, phthalates obtainable therefrom, and their use as plasticizers
Mixtures of isomeric decyl alcohols obtained by oligomerization of propylene in the presence of deactivated zeolites as catalysts, followed by separation of the nine carbon olefins from the oligomer mixture, then hydroformylation of the 9 carbon olefins t...
12/10/1996
5580678Adhesive sealed solid electrolyte cell housed within a ceramic frame and the method for producing it
A solid electrolyte cell and method for producing it in which the cell components are assembled within a ceramic frame which is sealed on the top to a first terminal of the cell using an adhesive and sealed on the bottom to a second terminal of the cell u...
12/03/1996
5552162Method for improvement of scar size and appearance
A method for improving the size and appearance of a scar associated with a fibromatosis, a keloid, or a hypertrophic wound healing disorder comprises stimulating collagenase activity in the scar. Preferably, stimulating collagenase activity is accomplishe...
09/03/1996
5550160Metal complexes of hydroxyaryl containing aminocarboxylic acid chelating agents
A physiologically acceptable, radiolabelled compound of general formula ##STR1## where k is an integer from 2 to 5 l is an integer from 1 to 5 X and Y are independently selected from phenyl or naphthyl radical each of which can be substituted by one or mo...
08/27/1996
5536875Enhanced oxidation of organic chemicals
Organic chemical oxidation reactions are carried out using pure or nearly pure oxygen and evaporative cooling. Advantageous operating results are achieved thereby, and the oxidation of organic chemicals resulting in the production of solid products or byp...
07/16/1996
5534652Preparation of plasticizer esters from phthalic anhydride residue
A process for the formation of esters from at least one phthalic anhydride residue stream produced from the vapor phase oxidation of o-xylene, naphthalene and/or the like which comprises: (a) adding a phthalic anhydride residue stream and a mono-alcohol t...
07/09/1996
5532407Process for recovering L-phenylalanine
An industrial process for recovering L-phenylalanine in high yield from a side stream obtained from ଱-APM is disclosed. L-aspartic acid or an aqueous solution thereof is added to such a side stream when hydrolysis of the side stream is performed und...
07/02/1996
55301412,4-diaryl-1,3-dithiolanes; 2,4-diaryl-1,3-dioxolanes; 2,4-diaryl-1,3-oxathiolanes; and 2,5-diaryl-1,3-oxathiolanes for the treatment of disorders mediated by platelet activating factor or products of 5-lipoxygenase
2,4-Diaryl-1,3-dithiolanes; 2,4-diaryl-1,3-dioxolanes; 2,4-diaryl-1,3-oxathiolanes; and 2,5-diaryl-1,3-oxathiolanes are disclosed that reduce the chemotaxis and respiratory burst leading to the formation of damaging oxygen radicals of polymorphonuclear le...
06/25/1996
5527957Process for the production of terephthalic acid
A terephthalic acid slurry in acetic acid is produced by oxidizing p-xylene in acetic acid, removing water by evaporation of a stream of water and acetic acid, and returning acetic acid to the oxidation step. The terephthalic acid is separated from the re...
06/18/1996
5527956Process for the oxidation of aromatic methyl groups
Fluro-substituted aromatic carboxylic acids, and particular 2- and 4-fluorobenzoic acid can be made from the corresponding fluoro-methyl compound such as fluorotoluene in a single stage by the reaction at elevated temperature, preferably of at least 80° ...
06/18/1996
5525614Substituted 1,2,3,4-tetrahydroisoquinolines with angiotensin II receptor antagonist properties
This invention relates to novel substituted 1,2,3,4-tetrahydroisoquinolines which are useful in the treatment of vascular restenosis, various disorders of the central nervous system, in the regulation of female reproductive functions, in cognitive enhance...
06/11/1996
5525628Salts of a glutathione alkylester and anaminoacids
Crystalline non-hygroscopic salt of glutathione alkylester of the formula (I) ##STR1## wherein AA is an amino acid are disclosed....
06/11/1996
5525629Inhibition of cytokine production
Hydroxamic acid derivatives of formula (I): ##STR1## wherein R1 represents hydrogen or an (C1 -C6)alkyl, (C1 -C6)alkoxycarbonyl(C1 -C6)alkyl, phenyl, substituted phenyl, phe...
06/11/1996
5523473Method of producing naphthalenedicarboxylic acids and diaryldicarboxylic acids
A method of producing naphthalenedicarboxylic acids by the oxidation of dialkyl-substituted naphthalene with a gas containing molecular oxygen in an organic solvent and in the presence of a catalyst comprising copper and bromine, or a catalyst comprising ...
06/04/1996
5523475New compounds
The present invention relates to novel derivatives of 3-hydroxyanthranilic acid, 3-HANA, of the general formula I ##STR1## wherein R1 and R2 are the same or different and selected from H, alkyl, aryl and arylalkyl; X and Y are t...
06/04/1996
5523465Process for producing an unsymmetrical diester of ଱, ଲ-unsaturated dicarboxylic acid
A process for producing a colorless unsymmetrical-diester of maleic acid, useful as a raw material of an emulsifier for emulsion polymerization and as a modifier for a polymer, which comprises: (1) reacting maleic anhydride with a monohydric alcohol in the pre...
06/04/1996
5523280Phenylpyrazole fungicides
Phenylpyrazoles of the formula: ##STR1## in which: X.dbd.H, hal, NO2, CN, SCN, alkyl (C1 -C4), alkenyl (C2 -C4), alkynyl (C2 -C4), alkoxy (C1 -C4), alk...
06/04/1996
5523467Process for the preparation of aliphatic polyisocyanates
A process is provided for the preparation of an aliphatic polyisocyanate. Upon reacting an aliphatic polyamine or its hydrochloride or carbonate with phosgene in an inert liquid medium, the reaction is conducted while charging an inert gas into a reaction...
06/04/1996
5523434Synthesis of bleach activators
The synthesis of phenol sulfonate esters of alkanoyl amino acids is conducted in the presence of aqueous base to provide bleach activator compounds. Thus, the acid chloride of N-nonanoyl-6-aminocaproic acid is reacted with the sodium salt of p-phenol sulf...
06/04/1996
5516938Immunological detection method
The present invention relates to monoclonal antibodies that are distinguished by a high degree of selectivity and affinity towards herbicides from the group of the sulfonylureas, especially towards sulfonylurea herbicides of formula (A) ##STR1## ...
05/14/1996
5516934Process for producing mono-P-nitrobenzyl malonate
The present invention aims at providing a process for economically producing mono-p-nitrobenzyl malonate while recovering the excessive malonic acid and treating the by-product. The process of the present invention for producing mono-p-nitrobenzyl malonat...
05/14/1996
5516935Process for the production of diisocyanates
Diisocyanates are produced by gas-phase phosgenation of aliphatic diamines having two primary amino groups in the 1,2- or 1,3-position to one another or by cycloaliphatic diamines having two primary amino groups in the 1,2- or 1,3-position to one another....
05/14/1996
5516948Process for making a mixture of isomeric decyl alcohols
Mixtures of isomeric decyl alcohols obtained by oligomerization of propylene in the presence of deactivated zeolites as catalysts, followed by separation of the nine carbon olefins from the oligomer mixture, then hydroformylation of the 9 carbon olefins t...
05/14/1996
5514713Amidinophenol derivatives
Disclosed are amidinophenol derivatives of the formula (I) and acid-addition salts thereof (in which R1 and R2 are alkyl, alkoxy, acyl, halogen, nitro, benzoyl, COOR4 ; A is bond, alkylene, group of the formula (II); R
05/07/1996
5510507Selective asymmetric hydrogenation of dehydroamino acid derivatives using rhodium and iridium diphosphinite carbohydrate catalyst compositions
A process and catalyst composition are provided for the highly efficient enantioselective hydrogenation of dehydroamino acid derivatives. The catalyst composition comprises rhodium or iridium and a diphosphinite carbohydrate ligand, wherein the phosphorou...
04/23/1996
5510521Process for the production of aromatic carboxylic acids
Disclosed is an improved process for the continuous production of aromatic carboxylic acids by the liquid-phase oxidation of an alkyl aromatic compound with an oxygen-containing gas in the presence of oxidation catalyst which effectively utilizes the heat...
04/23/1996
5508455Hydrolysis of methyl esters for production of fatty acids
The present invention relates to an improved process for preparing fatty acids from alkyl, preferably methyl esters via acid hydrolysis by using ratios of water/ester/acid catalyst to form single phase reaction mixtures wherein the initial stoichiometric ...
04/16/1996
5508308Use of pyruvylglycine to treat ischemia/reperfusion injury following myocardial infarction
A therapeutic method is provided to reduce ischemia/reperfusion injury to the heart muscle by perfusing pyruvylglycine into the circulatory system of a patient who has had a heart attack or suffered coronary occlusion....
04/16/1996
5506239Carbostyril derivative and platelets aggregation inhibitory agent
A carbostyril derivative or salt thereof of the formula ##STR1## the carbon-to-carbon bond between the 3- and 4-positions of the carbostyril skeleton being a single bond or a double bond. The carbostyril derivatives are useful as a platelets aggregat...
04/09/1996
5504243Method for inhibiting polymerization of (meth) acrylic acid and esters thereof
Disclosed herein is a method for inhibiting polymerizable (meth)acrylic acid and esters thereof from polymerizing during their production, transportation and storage by using as the inhibitor N-oxyl compound and more than one compound selected from the gr...
04/02/1996
5502239Process for recovering dimethyl terephthalate
A process for recovering dimethyl terephthalate (DMT) comprises the steps of: providing a dimethyl terephthalate stream including dimethyl terephthalate, glycols, and coordination compounds; acidifying the coordination compounds to disassociate the ligand...
03/26/1996
5502238Process for the crystallization of aspartame
The invention relates to a process for the crystallisation of aspartame by neutralising an aqueous solution of aspartame, having a pH of less than 3, with a base and homogenising the solution by means of forced convection, characterised in that the soluti...
03/26/1996
5501919Solid ion conducting material, obtained from a polymer and an alkaline cation salt, with application as an electrolyte
A solid ion conductor material is made from branched polyethylene imine and a lithium cation salt in such a manner that the ratio of the number of nitrogen atoms contained in the polymer to the number of lithium cations originating from the salt is optimi...
03/26/1996
5502240Esterification process using a titamium zeolite catalyst
A liquid phase esterification process is described wherein the esterification catalyst is a titanium zeolite....
03/26/1996
5502244Process for producing isocyanates
Provided is a process for producing isocyanates from carbamic acid esters which comprises thermally decomposing carbamic acid esters in the presence of a catalyst containing at least one compound selected from the group consisting of organic sulfonic acid...
03/26/1996
5502245Methods of making intermediate oxidation products by controlling transient conversion in an atomized liquid
Methods of making intermediate oxidation products by atomizing a first liquid containing a reactant into a gas containing an oxidant in a manner to form an intermediate oxidation product different than carbon monoxide and/or carbon dioxide. The oxidation ...
03/26/1996
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