Carboxylic Acid Esters Patents (Class 560/1)
  • Patent number: 4163115
    Abstract: Esters of poly(tetramethylene ether) glycol are prepared by polymerizing tetrahydrofuran in a reaction mixture which contains, in addition to the tetrahydrofuran, and acylium ion precursor such as acetic anhydride, a polymeric catalyst which contains sulfonic acid groups and, optionally, a carboxylic acid such as acetic acid.
    Type: Grant
    Filed: January 13, 1978
    Date of Patent: July 31, 1979
    Assignee: E. I. Du Pont de Nemours and Company
    Inventors: George E. Heinsohn, Ivan M. Robinson, Gerfried Pruckmayr, Walter W. Gilbert
  • Patent number: 4162363
    Abstract: Conjugated dienes or monoolefins are converted to diesters in a process utilizing a catalyst system comprising an alkali metal compound and a sulfur source comprising elemental sulfur or a sulfur halide, optionally with a halide source, in carboxylic acid media.
    Type: Grant
    Filed: August 25, 1977
    Date of Patent: July 24, 1979
    Assignee: Phillips Petroleum Company
    Inventor: Paul R. Stapp
  • Patent number: 4158027
    Abstract: Compositions stabilized against premature polymerization are disclosed. These compositions contain(a) a vinyl or vinylidene monomer capable of free radical polymerization, and(b) a polymerization inhibitor having the following general formula: ##STR1## wherein R' is hydrogen or an alkyl group containing from 1 to 4 carbon atoms,R.sub.1, r.sub.2, r.sub.3 and R.sub.4 are alkyl groups containing from 1 to 5 carbon atoms, andR.sub.5, r.sub.6, r.sub.7 and R.sub.8 are hydrogen or alkyl groups containing from 1 to 5 carbon atoms provided that only two of these may be a secondary or a tertiary alkyl group.
    Type: Grant
    Filed: June 26, 1978
    Date of Patent: June 12, 1979
    Assignee: ICI Americas Inc.
    Inventor: Alfred J. Restaino
  • Patent number: 4156694
    Abstract: The present invention relates to novel benzo(b) bicyclo[3.3.1]nones of the general formula I: ##STR1## and a salt or nitrogen oxide thereof, in which R.sub.1 and R.sub.2 stand for hydrogen, alkyl of 1-6 carbon atoms, alkenyl of 1-6 carbon atoms, an optionally substituted aralkyl group or an acyl group orR.sub.1 and R.sub.2 together with the nitrogen atom represent a heterocyclic 5- or 6-membered ringR.sub.3 is a free, etherified or esterified hydroxy,X and Y stand for hydrogen, hydroxy, halogen, alkyl or alkoxy of 1-6 C-atoms, nitro, CF.sub.3 or an acyloxy group, having valuable biological activities, particularly anorectic activity.
    Type: Grant
    Filed: December 30, 1977
    Date of Patent: May 29, 1979
    Assignee: Akzona Incorporated
    Inventors: Colin L. Hewett, David S. Savage, James Redpath, Thomas Sleigh, Duncan R. Rae
  • Patent number: 4139716
    Abstract: The present disclosure relates to D-homosteroids. More particularly, the disclosure is concerned with 19-nor-D-homopregnanes, a process for the manufacture thereof and pharmaceutical preparations containing same.
    Type: Grant
    Filed: March 25, 1976
    Date of Patent: February 13, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Andor Furst, Jurg A. W. Gutzwiller, Marcel Muller, Ulrich Kerb, Rudolf Wiechert
  • Patent number: 4138497
    Abstract: Compounds are provided having the structure ##STR1## wherein n is 1, 2 or 3, m is 0, 1 or 2, R.sub.1 R.sub.2, R.sub.3, R.sub.4 and R.sub.5 may be the same or different and can be hydrogen, lower alkyl, halo-lower alkyl, acyl, lower alkoxy-carbonyl ##STR2## amido ##STR3## or lower alkoxylakylene, X is a straight or branched bivalent aliphatic radical and Y is ##STR4## These compounds are useful in the treatment of hypertension.
    Type: Grant
    Filed: July 29, 1977
    Date of Patent: February 6, 1979
    Assignee: E. R. Squibb & Sons, Inc.
    Inventors: Frederic P. Hauck, Joseph E. Sundeen, Joyce Reid
  • Patent number: 4138581
    Abstract: Mono-, di- and tri-esters of 3-(hydroxy or hydroxymethyl)-4-hydroxy-.alpha.-(aminomethyl)benzyl alcohols, obtained by methods involving reduction of the corresponding mono- and di-ester ketones, are useful for producing sympathomimetic effects, such as bronchodilation, of long duration with low cardiovascular stimulating effect, in warm-blooded mammals.
    Type: Grant
    Filed: February 2, 1976
    Date of Patent: February 6, 1979
    Assignee: Sterling Drugs Inc.
    Inventors: Hiroaki Minatoya, Benjamin F. Tullar, Walter D. Conway
  • Patent number: 4137269
    Abstract: The present disclosure relates to steroids. More particularly, the disclosure is concerned with D-homosteroids, a process for the manufacture thereof and pharmaceutical preparations containing same. The subject D-homosteroids have high endocrinal activity and are particularly active as anti-inflammatory agents.
    Type: Grant
    Filed: October 12, 1976
    Date of Patent: January 30, 1979
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Leo Alig, Andor Furst, Marcel Muller, Ulrich Kerb, Klaus Kieslich, Rudolf Wiechert
  • Patent number: 4131743
    Abstract: Unsaturated diesters are produced by a process which comprises reacting, in a flowing gaseous phase, a gaseous mixture comprising a conjugated diene, a carboxylic acid and molecular oxygen in the presence of (A) a catalyst comprising palladium, vanadium, antimony and at least one alkali metal carboxylate, or in the presence of (B) a catalyst comprising palladium, vandium, antimony, at least one alkali metal carboxylate and at least one alkali metal halide. The catalyst (A) maintains a high activity and a high selectivity for a long time. The catalyst (B), in which further the alkali metal halide is added, shows a higher activity and a higher selectivity for a longer time. And its activity and selectivity are stable and durable at high temperatures such as 160.degree. - 200.degree. C. Furthermore, the addition of the alkali metal halide suppresses combustion reaction of dienes such as butadiene remarkably.
    Type: Grant
    Filed: July 6, 1976
    Date of Patent: December 26, 1978
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Yoshinori Yoshida, Tutomu Kobayashi, Hironobu Shinohara, Izumi Hanari
  • Patent number: 4128663
    Abstract: Anilide derivative compounds of the formula ##STR1## e.g., trans-N-(2-hydroxycyclopentyl)-3',4'-dichloropropionanilide, have been found to possess potent Central Nervous System (CNS) antidepressant properties.These compounds are promising antidepressant drugs which are characterized by less toxicity than imipramine, and long-acting activity which may allow longer durations between administrations, e.g., once a day. Pharmaceutical compositions containing these compounds and a process for treating conditions of depression with these compositions are also disclosed.
    Type: Grant
    Filed: May 16, 1977
    Date of Patent: December 5, 1978
    Assignee: The Upjohn Company
    Inventor: Jacob Szmuszkovicz
  • Patent number: 4123552
    Abstract: Fungus and mold growth in crops and organic matter are inhibited by the use of bis-carboxylic acid esters and compositions thereof. In a preferred embodiment, crops and animal feedstuffs are preserved during storage by applying a microbiocidal amount of a mono-, di or trioxymethylene, or lower alkylidene bis-alkanoate, or a mixture thereof.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: October 31, 1978
    Assignee: Chevron Research Company
    Inventors: Daniel L. Kensler, Jr., Gustave K. Kohn, David D. Walgenbach
  • Patent number: 4122105
    Abstract: Prostaglandin analogs with the following cyclopentane ring structure: ##STR1## are disclosed along with intermediates useful in their preparation and processes for their preparation. These analogs are useful for some of the same pharmacological purposes as the prostanglandins, particularly and especially as blood platelet aggregation inhibitors.
    Type: Grant
    Filed: June 23, 1977
    Date of Patent: October 24, 1978
    Assignee: The Upjohn Company
    Inventor: David C. Peterson
  • Patent number: 4122286
    Abstract: 1,2-Glycol esters are obtained particularly advantageously, by reacting an olefin with molecular oxygen and a carboxylic acid, if a reaction product of o-titanic acid with low molecular weight alcohols or carboxylic acids, e.g. dititanium hexaacetate, is used as the catalyst.
    Type: Grant
    Filed: May 2, 1977
    Date of Patent: October 24, 1978
    Assignee: BASF Aktiengesellschaft
    Inventors: Juergen Hartig, Hans-Martin Weitz
  • Patent number: 4121039
    Abstract: Unsaturated glycol diesters are prepared at high reaction rates, high degrees of conversion and high selectivity, by reacting a conjugated diene, a carboxylic acid and oxygen, in the presence of an improved active solid catalyst, in the liquid phase. The improved catalyst of the invention comprises palladium containing thorium as a promotor. In the preferred embodiment, butadiene and acetic acid are reacted with oxygen to produce the desired 1,4-diacetoxy-2-butene at high conversions and selectivity.
    Type: Grant
    Filed: September 26, 1977
    Date of Patent: October 17, 1978
    Assignee: GAF Corporation
    Inventors: R. Parthasarathy, Eugene Victor Hort
  • Patent number: 4113971
    Abstract: Diacyloxy olefins are prepared by the reaction of a conjugated diolefin with a carboxylic acid in the presence of free oxygen and a Group VIB metal oxide.
    Type: Grant
    Filed: February 21, 1975
    Date of Patent: September 12, 1978
    Assignee: Phillips Petroleum Company
    Inventor: Paul R. Stapp
  • Patent number: 4113647
    Abstract: Novel liquid crystal materials which are trans-4-alkylcyclohexane-1-carboxylic acid esters are provided having the general formula: ##STR1## where R is a normal or branched chain alkyl group, which may also contain a chiral center, containing up to ten carbon atoms and X is selected from the groups: ##STR2## where A is a cyano group, a normal or branched chain alkyl group, which may also contain a chiral center, containing up to ten carbon atoms or an alkoxy group in which the alkyl group is as defined immediately above, and where Y is a halogen, preferably chlorine, or hydrogen.
    Type: Grant
    Filed: August 2, 1977
    Date of Patent: September 12, 1978
    Assignee: The Secretary of State for Defence in Her Britannic Majesty's Government of the United Kingdom of Great Britain and Northern Ireland
    Inventors: David Coates, George William Gray, Damien Gerard McDonnell
  • Patent number: 4112235
    Abstract: Carboxylic acids may be esterified by reaction with esters in the presence of a catalytic amount of a tin halide catalyst, the reaction being effected at temperatures ranging from about 0.degree. to about 150.degree. C.
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: September 5, 1978
    Assignee: UOP Inc.
    Inventor: Louis Schmerling
  • Patent number: 4112019
    Abstract: Compositions stabilized against premature polymerization are disclosed. These compositions contain(a) a vinyl or vinylidene monomer capable of free radical polymerization, and(b) a polymerization inhibitor having the following general formula: ##STR1## wherein R' is hydrogen or an alkyl group containing from 1 to 4 carbon atoms,R.sub.1, r.sub.2, r.sub.3 and R.sub.4 are alkyl groups containing from 1 to 5 carbon atoms, andR.sub.5, r.sub.6, r.sub.7 and R.sub.8 are hydrogen or alkyl groups containing from 1 to 5 carbon atoms provided that only two of these may be a secondary or a tertiary alkyl group.
    Type: Grant
    Filed: May 13, 1977
    Date of Patent: September 5, 1978
    Assignee: ICI Americas Inc.
    Inventor: Alfred Joseph Restaino
  • Patent number: 4111959
    Abstract: This disclosure describes novel 15,16-dioxy prostenoic acids and esters useful as bronchodilators, anti-inflammatory agents, hypotensives and gastric acid secretion inhibitors.
    Type: Grant
    Filed: February 11, 1977
    Date of Patent: September 5, 1978
    Assignee: American Cyanamid Company
    Inventor: Martin Joseph Weiss
  • Patent number: 4105792
    Abstract: Prostan-1-ol esters and intermediates for their preparation are described; the former compounds exhibit improved organ specificity and a longer duration of activity at lower dosages than the corresponding non-esterified prostaglandins and are useful, inter alia, in triggering abortion, inducing labor and regulating the menstrual cycle.
    Type: Grant
    Filed: May 25, 1976
    Date of Patent: August 8, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Werner Skuballa, Bernd Raduchel, Helmut Vorbruggen, Walter Elger, Olaf Loge, Eckehard Schillinger
  • Patent number: 4104043
    Abstract: A new series of substituted esters of 3-hydroxyindone compounds have been found to have exceptional miticidal and herbicidal activity.
    Type: Grant
    Filed: December 12, 1972
    Date of Patent: August 1, 1978
    Assignee: Union Carbide Corporation
    Inventors: John A. Durden, Jr., Anthony A. Sousa, John F. Stephen
  • Patent number: 4099018
    Abstract: A conjugated diolefin is reacted with at least one compound selected from the group consisting of a carboxylic acid and a carboxylic acid anhydride in the presence of oxygen and a catalyst comprising a lead compound.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: July 4, 1978
    Assignee: Phillips Petroleum Company
    Inventor: Paul R. Stapp
  • Patent number: 4097678
    Abstract: 3.alpha.-Hydroxy and 3.alpha.-acyloxy- .DELTA..sup.9(11) -5.alpha.-D-homo-20-ketopregnenes of the formula ##STR1## wherein R is hydrogen or acyl, R.sub.1 is hydrogen or methyl and R.sub.2 is methyl or ethyl, are produced by esterifying a corresponding 3.beta.-hydroxy-5.alpha.-20-keto pregnane of the formula ##STR2## wherein R.sub.1 and R.sub.2 have the values given above, with m-iodo-benzoic acid with inversion of the 3.beta.-oxy group to a 3.alpha.-oxy group; chlorinating the thus-produced 3.alpha.-m-iodobenzoyl ester with dichloroiodobenzene under irradiation; and treating the reaction product with a dehydrohalogenating silver salt. Optionally thereafter, the 3.alpha.-iodobenzoyl group is split off in a conventional manner to produce the corresponding 3.alpha.-hydroxy steroid and optionally the thus-produced 3.alpha.-hydroxy steroid is esterified to produce a desired 3-ester thereof.
    Type: Grant
    Filed: June 8, 1976
    Date of Patent: June 27, 1978
    Assignee: Schering Aktiengesellschaft
    Inventors: Ulrich Kerb, Rudolf Wiechert, Otto Engelfried
  • Patent number: 4095037
    Abstract: A conjugated diolefin is reacted with a carboxylic acid, a carboxylic acid anhydride, or a mixture thereof, in the presence of oxygen and a catalyst comprising a compound of bismuth, an alkali metal compound and a source of nitrate ion.
    Type: Grant
    Filed: September 8, 1976
    Date of Patent: June 13, 1978
    Assignee: Phillips Petroleum Company
    Inventor: Paul R. Stapp
  • Patent number: 4093815
    Abstract: A conjugated diolefin is reacted with at least one compound selected from the group consisting of a carboxylic acid and a carboxylic acid anhydride in the presence of oxygen and a catalyst comprising a rare earth metal compound, an alkali metal compound and a halide compound.
    Type: Grant
    Filed: August 12, 1976
    Date of Patent: June 6, 1978
    Assignee: Phillips Petroleum Company
    Inventor: Paul R. Stapp
  • Patent number: 4088820
    Abstract: Olefins may be esterified by reaction with esters of saturated alcohols containing at least two carbon atoms in the presence of a catalytic amount of a tin halide catalyst, the reaction being effected at temperatures ranging from about 0.degree. to about 150.degree. C.
    Type: Grant
    Filed: October 28, 1976
    Date of Patent: May 9, 1978
    Assignee: UOP Inc.
    Inventor: Louis Schmerling
  • Patent number: 4087475
    Abstract: A process for the production of fluorinated organic compounds wherein a carbonyl containing organic compound and adducts of sulfur trioxide or sulfur dioxide with metal fluorides are combined.
    Type: Grant
    Filed: July 3, 1975
    Date of Patent: May 2, 1978
    Inventor: Robert Kenneth Jordan
  • Patent number: 4075412
    Abstract: Diacyloxy olefins are prepared by the reaction of a conjugated diolefin with a carboxylic acid in the presence of free oxygen and a catalyst system consisting essentially of an indium compound, a halide source and an alkali metal compound.
    Type: Grant
    Filed: April 21, 1976
    Date of Patent: February 21, 1978
    Assignee: Phillips Petroleum Company
    Inventor: Paul R. Stapp
  • Patent number: 4073876
    Abstract: In the preparation of glycol esters by the oxidation of an olefin in the presence of a catalyst comprising tellurium, wherein the accumulation of foreign metals in association with the tellurium catalyst component has an adverse effect upon the reaction, such foreign metals are maintained at low levels while the tellurium catalyst values are recovered for recycling in high yield by purging a portion of a high-boiling residual fraction produced in the distillation treatment of the reaction mixture and treating the purged portion with water and/or an aqueous alkaline solution.
    Type: Grant
    Filed: July 1, 1976
    Date of Patent: February 14, 1978
    Assignee: Halcon International, Inc.
    Inventor: Vijai P. Gupta
  • Patent number: 4070378
    Abstract: Process for synthesizing the lactone, (dl) 3,3a beta-4,5-6,6a beta-hexahydro-4beta(3-hydroxyl-1-trans-octenyl)-5alpha-hydroxy-2-oxo-2H-c yclopenta[b]furan, a known intermediate for producing prostaglandin E.sub.2 and F.sub.2.alpha. and a process for preparing 11-desoxy and 11-alkyl prostaglandins from dihydroresorcyclic acid.
    Type: Grant
    Filed: September 10, 1975
    Date of Patent: January 24, 1978
    Assignee: Hoffmann-La Roche, Inc.
    Inventors: Frank Kienzle, Perry Rosen
  • Patent number: 4069242
    Abstract: A synergistic catalytic effect is realized in the esterification reaction between an organic carboxylic acid and a vicinal epoxide by using a catalyst system comprising: (a) a compound containing an amino and/or ammonium nitrogen atom, in combination with (b) a soluble compound containing an ionizable atom of iron or chromium.
    Type: Grant
    Filed: September 9, 1971
    Date of Patent: January 17, 1978
    Assignee: The Dow Chemical Company
    Inventor: Arthur E. Gurgiolo
  • Patent number: 4069381
    Abstract: An improved method for making glycol monoesters and diesters of carboxylic acid by the reaction of an olefin and oxygen in the presence of a carboxylic acid and a catalyst, wherein said catalyst includes a compound of a metal of groups IVB - VIIB having an atomic number between 40 and 42 inclusive or between 72 and 75 inclusive, i.e. zirconium, niobium, molybdenum, hafnium, tantalum, tungsten, or rhenium.
    Type: Grant
    Filed: November 12, 1973
    Date of Patent: January 17, 1978
    Assignee: Rohm GmbH
    Inventors: Wolfgang Gaenzler, Klaus Kabs, Guenter Schroeder
  • Patent number: 4069385
    Abstract: In the preparation of olefin derivatives having an ester group at the allylic position (hereinafter referred to as "allylic ester(s)") which comprises reacting an olefin having at least one hydrogen atom at the allylic position and which will produce an allylic ester having an asymmetric carbon atom with an organic peroxide in the presence of a copper catalyst, a method for producing optically active allylic esters characterized by using, as the copper catalyst, an optically active copper complex derived from an optically active compound selected from the group consisting of Schiff's bases of the formula: ##STR1## and amino acids of the formula: ##STR2## wherein R.sub.0 is an optically active alkyl, cycloalkyl, aralkyl or aryl group which may contain an unsaturated bond and/or a substituent having a hetero atom, X and Y are each a hydrogen atom, an alkyl, cycloalkyl, aralkyl or aryl group, or a substituent having a hetero atom, R.sub.1 and R.sub.
    Type: Grant
    Filed: June 3, 1976
    Date of Patent: January 17, 1978
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Masashi Araki, Tsuneyuki Nagase
  • Patent number: 4059603
    Abstract: The amidation and esterification of carboxylic acids with amines and hydroxyl group-containing compounds, respectively, are effected without incurring the drawbacks of reaction equilibrium by the reaction of the reactants, one of which has been activated in the reactive group by contact with a phosphonium salt obtained by reacting a phosphorous ester or phosphorous monoester salt with an organic base such as pyridine and an oxidizing agent such as halogens and mono or divalent mercury halide or acetate. The amidation can be applied to the preparation of peptides by the reaction of amino acids and/or peptides in which one of the reactive groups have been protected.
    Type: Grant
    Filed: May 20, 1976
    Date of Patent: November 22, 1977
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Noboru Yamazaki, Fukuji Higashi
  • Patent number: 4058392
    Abstract: New N,N'-tetrasubstituted ureas of the formula ##STR1## in which X is oxygen, sulfur or an NR.sup.5 -- or SO.sub.2 --group,R is alkyl or an optionally substituted aryl group, or an optionally substituted aralkyl group,R.sup.1 and R.sup.4 are individually optionally substituted hydrocarbyl which may contain oxygen or sulfur,R.sup.2 is optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkoxy or cycloalkyl,R.sup.3 is alkyl, which may optionally be substituted by halogen, or is alkenyl, orR.sup.2 and R.sup.3 conjointly form an alkylene bridge, which can be interrupted by a hetero-atom, such as O, or N-alkyl group and which forms a heterocyclic ring with the adjoining nitrogen atom,R.sup.1 and R.sup.
    Type: Grant
    Filed: September 10, 1973
    Date of Patent: November 15, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventors: Rudolf Thomas, Wolfgang Kramer, Ludwig Eue, Carl Metzger, Gerhard Jager
  • Patent number: 4057516
    Abstract: Perfume compositions, perfumed materials and articles and a process for preparing perfume compositions, perfumed materials and articles which includes the steps of adding perfume components usual for this purpose and additionally at least one compound reminiscent of castoreum which is selected from 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane and mixtures of o-hydroxybenzyl ethyl ether and 8-allyl-8-hydroxytricyclo (5,2,1,0.sup.2,6). Reminiscent of castoreum is 8-allyl-8-hydroxytricyclo (5,2.1.0.sup.2,6) decane.
    Type: Grant
    Filed: November 25, 1975
    Date of Patent: November 8, 1977
    Assignee: Naarden International, N.V.
    Inventors: Harmannus Boelens, Hendrik Jacob Wobben
  • Patent number: 4055531
    Abstract: Anhydrides and esters of alkyl or cycloalkyl tetracarboxylic acids and polyvinyl chloride plastic compositions containing said esters as plasticizers.
    Type: Grant
    Filed: October 4, 1976
    Date of Patent: October 25, 1977
    Assignee: Chevron Research Company
    Inventor: Joe B. Lavigne
  • Patent number: 4055564
    Abstract: Novel prostaglandin intermediates and process for the production thereof. Compounds, and process for the production thereof, useful in the production of (dl)-[1.alpha.-hydroxy-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl)-4 .alpha.-tetrahydropyranyloxy-cyclopent-1.alpha.-yl] acetaldehyde hemiacetal and [1.alpha.-hydroxy-3.beta.-(3S-tetrahydropyranyloxy-trans-1-octenyl)-4.alph a.-tetrahydropyranyloxycyclopent-1.alpha.-yl] acetaldehyde hemiacetal.
    Type: Grant
    Filed: August 23, 1976
    Date of Patent: October 25, 1977
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Francisco S. Alvarez, Albert R. Van Horn
  • Patent number: 4052552
    Abstract: The present specification provides novel intermediates and novel processes for the synthesis of various side chain and skeletal analogs of Thromboxane B.sub.2 (11.beta.-homo-11a-oxa-PGF.sub.2.alpha.). These analogs are particularly and especially useful as reproductive cycle control agents.
    Type: Grant
    Filed: August 20, 1976
    Date of Patent: October 4, 1977
    Assignee: The Upjohn Company
    Inventor: William P. Schneider
  • Patent number: 4052423
    Abstract: .alpha.,.beta.-Unsaturated carboxylic acids and esters have a wide variety of chemical uses. The invention is a method of synthesizing .alpha.,.beta.-unsaturated carboxylic acids and esters which, with regard to the esters, comprises reacting a vinylmercuric halide with carbon monoxide in an alcohol to provide an .alpha.,.beta.-unsaturated carboxylic acid ester. With regard to the acids per se, the method comprises reacting a vinylmercuric halide with carbon monoxide, in the presence of a water containing polar organic solvent to provide an .alpha.,.beta.-unsaturated carboxylic acid.
    Type: Grant
    Filed: January 19, 1976
    Date of Patent: October 4, 1977
    Assignee: Iowa State University Research Foundation, Inc.
    Inventor: Richard Craig Larock
  • Patent number: 4049731
    Abstract: Compositions stabilized against premature polymerization are disclosed. These compositions containA. a vinyl or vinylidene monomer capable of free radical polymerization, andB. a polymerization inhibitor having the following general formula: ##STR1## wherein R' is hydrogen or an alkyl group containing from 1 to 4 carbon atoms,R.sub.1, r.sub.2, r.sub.3 and R.sub.4 are alkyl groups containing from 1 to 5 carbon atoms, andR.sub.5, r.sub.6, r.sub.7 and R.sub.8 are hydrogen or alkyl groups containing from 1 to 5 carbon atoms provided that only two of these may be a secondary or a tertiary alkyl group.
    Type: Grant
    Filed: July 14, 1975
    Date of Patent: September 20, 1977
    Assignee: ICI United States Inc.
    Inventor: Alfred Joseph Restaino
  • Patent number: 4048147
    Abstract: A novel compound represented by the formula, ##STR1## WHEREIN R is a hydrogen or an alkyl group having 1 to 3 carbon atoms, said four R's being the same or different; R.sup.1 is hydrogen, an alkali metal, an ammonium group, a mono-to tetra-hydric aliphatic alcohol moiety having 1 to 12 carbon atoms, or an organic amine residue; n is an integer of 1 to 4; and R.sup.2, R.sup.3, R.sup.4, R.sup.5 and R.sup.6 are independently hydrogen or alkyl groups having 1 to 6 carbon atoms or R.sup.2 and R.sup.3 may form a ring when taken together. Said novel compound has properties similar to those of natural rosin or a disproportionated rosin, and is useful as a vehicle for coating compositions and printing inks, as an emulsifier for emulsion polymerization, and as a sizing agent.
    Type: Grant
    Filed: November 26, 1975
    Date of Patent: September 13, 1977
    Assignee: Japan Synthetic Rubber Co., Ltd.
    Inventors: Masatoshi Arakawa, Ryotaro Ohno, Katuhiro Ishikawa, Noboru Yamahara, Hisashi Matsui
  • Patent number: RE29608
    Abstract: The invention provides novel 5- and 6-benzoxazolyl alkanoic acids, optionally substituted in the 2-position, and derivatives thereof which possess anti-inflammatory, anti-pyretic and analgesic activity. Also provided is a process for preparing such compounds by cyclizing an appropriately substituted o-aminophenol and, if necessary, converting the resultant benzoxazole to the desired compound.
    Type: Grant
    Filed: February 1, 1977
    Date of Patent: April 11, 1978
    Assignee: Lilly Industries Limited
    Inventors: Delme Evans, David William Dunwell, Terence Alan Hicks