Patents Examined by Jane S. Myers
  • Patent number: 4227012
    Abstract: Oxidation of methyl benzenes with air or oxygen to form a phenolic acetate and formaldehyde or methylene diacetate may be carried out in the presence of acetic acid, phosphorus pentoxide, benzaldehyde and an acid catalyst. The resulting acetates may then be pyrolyzed to yield phenolic compounds and formaldehyde, respectively.
    Type: Grant
    Filed: November 3, 1978
    Date of Patent: October 7, 1980
    Assignee: Suntech, Inc.
    Inventors: George Suld, James E. Lyons, Robert W. Shinn
  • Patent number: 4227016
    Abstract: Glyoxylic acid and hydrochloric acid are reacted with an aromatic compound having at least one substituent group selected from among the alkyl, aryl, hydroxy, alkoxy and aryloxy groups. The glyoxylic acid is used in a concentration comprised between 60 and 100% and the hydrochloric acid is used in as concentrated an aqueous solution as possible, e.g. in an organic solvent medium such as acetic acid. An acid catalyst such as zinc chloride may be used. The reaction may be carried out under pressure. The products are useful in various syntheses e.g. to produce amino acids or arylacetic acids with medicinal uses.
    Type: Grant
    Filed: December 28, 1977
    Date of Patent: October 7, 1980
    Assignee: Hoechst France
    Inventors: Emmanuel Herman, Helmut Diery, Michel Soreau, Yani Christidis
  • Patent number: 4224341
    Abstract: 5-Substituted indan-2-carboxylic acids and functional derivatives thereof having inflammation-reducing properties have the general formula ##STR1## in which R is a phenyl, phenyl-lower alkenyl, phenyl-lower alkyl, phenyl substituted by at least one of the halogens, lower alkyl, lower alkoxy, acetamido, amino, lower dialkylamino, nitro, phenyl, lower alkylsulfonyl, lower dialkylaminosulfonyl and sulfamido, cyclohexyl, furyl, lower alkylfuryl, thienyl, halothienyl, lower alkylthienyl, or pyridyl group and R' is a hydroxyl, lower alkoxy, lower dialkylaminoalkoxy, cinnamoylamido lower alkoxy, 2-hydroxyethylamino, amino or lower dialkylaminoalkyl amino group. Besides the esters and amides, the functional derivatives of the acids include the pharmacologically acceptable salts of the above compounds. The compounds are also of low toxicity, have analgesic activity and exert an antipyretic effect.
    Type: Grant
    Filed: December 14, 1977
    Date of Patent: September 23, 1980
    Assignee: Lipha, Lyonnaise Industrielle Pharmaceutique
    Inventors: Michel Bayssat, Francis Sautel, Jean-Claude Depin, Annie Betbeder Matibet
  • Patent number: 4224455
    Abstract: New reactive surfactants or emulsifiers useful in a broad range of emulsion polymerization processes are provided, along with processes for making and using such. The reactive surfactants are comprised of ring sulfonated half esters of maleic anhydride with alkoxylated alkyl arylols.
    Type: Grant
    Filed: November 13, 1978
    Date of Patent: September 23, 1980
    Assignee: Stepan Chemical Company
    Inventor: Julius H. Deutsch
  • Patent number: 4221734
    Abstract: A process is disclosed for the preparation of derivatives of perfluoroalkanecarboxylic acids and perfluoroalkanesulphinic acids by reacting a perfluoroalkylhalide having the general formula R.sub.F X, in which X represents an atom of chlorine, bromine, or iodine, and R.sub.F represents an unbranched or branched perfluorinated chain containing from 2 to 12 carbon atoms; with CO.sub.2 or SO.sub.2 in a solvent medium and in the presence of activated or unactivated zinc.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: September 9, 1980
    Assignee: Produits Chimiques Ugine Kuhlmann
    Inventors: Auguste Commeyras, Hubert Blancou, Andre Lantz
  • Patent number: 4220592
    Abstract: A substituted acetonitrile such as .alpha.-isopropyl-p-chlorophenylacetonitrile is hydrolyzed using an acid to produce the corresponding substituted phenylacetic acid such as .alpha.-isopropyl-p-chlorophenylacetic acid in such a manner that, in a lot in any one hydrolysis reaction, (1) the hydrolysis is carried out in at least two steps, (2) an acid to be used in a subsequent first reaction step is a waste acid produced in a previous second reaction step and the subsequent reaction step(s) thereof if any, and (3) an acid to be used in a second reaction step and the subsequent reaction step(s) if any, is the waste acid produced in a previous second reaction step and subsequent reaction step(s), respectively, and a fresh acid.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: September 2, 1980
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Keiji Kagawa, Naoya Kanda, Fujio Masuko, Hirotoshi Nakanishi
  • Patent number: 4219660
    Abstract: There are disclosed herein derivatives of bisfunctionalized compounds, wherein said compounds have been formed by the introduction of a nitro group and a hydroxyl group in the form of an ester into a conjugated diene molecule by treatment of said conjugated dienes with nitric acid in the presence of a carboxylic acid anhydride. The novel compounds produced by this process are useful as bactericides, fungicides and valuable organic synthesis intermediates.
    Type: Grant
    Filed: June 24, 1977
    Date of Patent: August 26, 1980
    Assignee: Hoffmann-La Roche Inc.
    Inventor: Pius A. Wehrli
  • Patent number: 4219625
    Abstract: As an additive imparting oil and water repellency, durable against laundering and abrasion, to PET fibers: a partially or fully acylated polyol, especially pentaerythritol, glycerol, hydroquinone or ethylene glycol, acylated with a phthalic or terephthalic monoester having a perfluorinated alkyl or alkoxyalkyl C.sub.2 to C.sub.20 radical, especially C.sub.5 to C.sub.10 n-alkyl or (CF.sub.2).sub.n OR.sub.f where R.sub.f is C.sub.1 to C.sub.6 perfluoroalkyl, especially perfluoroisopropyl and (CF.sub.2).sub.n is a straight chain C.sub.2 to C.sub.10 diradical.
    Type: Grant
    Filed: December 16, 1977
    Date of Patent: August 26, 1980
    Assignee: Allied Chemical Corporation
    Inventors: Frank Mares, Bryce C. Oxenrider, Cyril Woolf
  • Patent number: 4218473
    Abstract: The present invention relates to derivatives of 4-cyclohexyl-1-naphthalene-acetic acid of formula ##STR1## wherein R is a lower alkyl group and pharmaceutically acceptable salts and derivatives thereof the invention also relates to pharmaceutic compositions containing such derivatives.These derivatives are useful as drugs, notably for the treatment of inflammatory syndromes.
    Type: Grant
    Filed: September 26, 1978
    Date of Patent: August 19, 1980
    Assignee: Centre Europeen de Recherches Mauvernay
    Inventors: Jean-Jacques Godfroid, Efroim Steiner
  • Patent number: 4218470
    Abstract: Novel cardiocirculatory analeptics are prepared, which are epinine esters as obtained by reacting epinine (N-methyldopamine) with branched-chain aliphatic carboxylic acids. Exemplary members are 3,4-di-O-butyrylepinine and 3,4-di-O-pivaloylepinine. These medicaments are effective also by the oral route of administration, contrary to the hitherto commonly used dopamine derivatives which are rapidly destroyed by metabolization when administered orally.
    Type: Grant
    Filed: July 28, 1977
    Date of Patent: August 19, 1980
    Assignee: Simes Societa Italiana Medicinali e Sintetici S.p.A.
    Inventors: Cesare Casagrande, Giorgio Ferrari
  • Patent number: 4216337
    Abstract: A process for preparing esters which comprises reacting a polycarboxylic acid with an alcohol, removing the unreacted alcohol from the resultant esterification reaction mixture, heating the crude ester at a temperature of 160.degree. to 340.degree. C., contacting the heat-treated crude ester with an adsorbent, and recovering the ester of high purity. The ester obtained has superior electrical insulation, transparency and thermal stability.
    Type: Grant
    Filed: July 10, 1978
    Date of Patent: August 5, 1980
    Assignee: Mitsubishi Gas Chemical Co., Inc.
    Inventors: Makoto Baba, Teruyuki Ninomiya, Chieko Ono
  • Patent number: 4212991
    Abstract: Highly pure terephthalic acid is prepared from di-potassium terephthalate. The terephthalic acid so produced aids in the direct production of high quality polyester fiber.
    Type: Grant
    Filed: May 5, 1977
    Date of Patent: July 15, 1980
    Assignee: Rhone-Poulenc Industries
    Inventors: Jean-Claude Choulet, Andre Laily
  • Patent number: 4212989
    Abstract: In a process for producing a carboxylic acid or its ester by reacting an alcohol or an ether with carbon monoxide, the improvement wherein the reaction is performed in the presence of, as a solvent, an aryl ester of an aliphatic carboxylic acid represented by the formula ##STR1## wherein n is an integer of 1 to 5, R.sub.1 represents hydrogen or C.sub.1 -C.sub.4 alkyl or alkenyl, and R.sub.2 represents hydrogen, alkyl, aryl, alkenyl, hydroxymethyl, acyl, acyloxy, formyl, carboxy, hydroxy, halogen, sulfo, nitro, nitroso, amino, acid amide or cyano, and two or more R.sub.2 groups may be the same or different, and the substituents R.sub.2 may be bonded to each other to form a penta- or hexa-carbocyclic or heterocyclic ring.
    Type: Grant
    Filed: October 26, 1978
    Date of Patent: July 15, 1980
    Assignee: Mitsubishi Gas Chemical Company, Inc.
    Inventors: Tomiya Isshiki, Yasuhiko Kijima, Yuh Miyauchi
  • Patent number: 4209636
    Abstract: Novel polyfunctional compounds and a novel process for their preparation are disclosed. These compounds may be converted into the acid or salt forms of cis and trans aconitic acids as well as into a racemic mixture of isocitric acid, alloisocitric acid and the lactones of isocitric acid and alloisocitric acid and their salts. All of the acid and salt forms produced are useful as metal sequestrants and/or detergent builders. The novel polyfunctional compounds can also be saponified to their corresponding alkali metal salts which, in turn, are also metal ion sequestering agents and detergent builders. The polyfunctional compounds are the reaction products obtained from the reaction of selected salts of monoalkyl esters of maleic acid with selected active hydrogen containing compounds.
    Type: Grant
    Filed: May 15, 1978
    Date of Patent: June 24, 1980
    Assignee: Lever Brothers Company
    Inventors: Eddie N. Gutierrez, Vincent Lamberti
  • Patent number: 4209638
    Abstract: Disclosed is a process for increasing the proportion of a desired enantiomer of a 2-arylpropionic acid which comprises heating at a temperature of at least 80.degree. C. a mixture comprising an inert liquid organic diluent and a salt of the 2-arylpropionic acid with an enantiomer of a chiral organic nitrogenous base, the base and the diluent being such that the salt of the racemic acid has a solubility of 0.1 to 10% w/v in the diluent at the operating temperature and in which process a proportion of the salt is undissolved in the diluent, whereby a proportion of one optical isomer of the acid component of the salt is converted into its enantiomer, and collecting the salt of which the acid component has an increased proportion of that enantiomer.
    Type: Grant
    Filed: September 25, 1978
    Date of Patent: June 24, 1980
    Assignee: The Boots Company Limited
    Inventors: John S. Nicholson, James G. Tantum
  • Patent number: 4206310
    Abstract: An improved process for producing an ester from a carboxylic acid and an alcohol which comprises reacting said carboxylic acid with said alcohol by the use of a 1-substituted-2-halopyridinium salt or a 1-substituted-2-haloquinolinium salt as a condensing agent in the presence of a hydrogen halide captor. According to this process, various esters, even if they have some steric hindrances, may be obtained in good yields.
    Type: Grant
    Filed: September 8, 1978
    Date of Patent: June 3, 1980
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Teruaki Mukaiyama, Masahiro Usui, Kazuhiko Saigo, Eiichiro Shimada
  • Patent number: 4205087
    Abstract: Novel di-(substituted phenyl)methoxy acetic acids, alkyl homologues and related salts, ester and amides thereof, together with processes for their manufacture, and pharmaceutical compositions. A representative compound is di-(4-chlorophenyl)methyloxy acetic acid. The compounds possess anti-arthritic properties and in some cases, in addition, an effect on a factor involved in atherosclerotic disease.
    Type: Grant
    Filed: April 26, 1977
    Date of Patent: May 27, 1980
    Assignee: Imperial Chemical Industries Limited
    Inventor: Wilson S. Waring
  • Patent number: 4204070
    Abstract: A process for preparing bis(hydroxyethyl)terephthalate and its low molecular weight oligomers in a reactor equipped with a rectifying column which comprises suspending or dissolving terephthalic acid in molten bis(hydroxyethyl)terephthalate and its low molecular weight oligomers at a temperature above the dew point of ethylene glycol and feeding gaseous or liquid ethylene glycol into the suspension or the solution to react it with the terephthalic acid, where the amount of ethylene glycol fed into the reactor is controlled so as to maintain the temperature inside the rectifying column at a temperature at which the ethylene glycol does not substantially distill off from the rectifying column and the partial pressure of the ethylene glycol is maximized.
    Type: Grant
    Filed: April 23, 1976
    Date of Patent: May 20, 1980
    Assignee: Fuji Photo Film Co., Ltd.
    Inventors: Fumiyuki Suzuki, Toshimitu Okutu, Keitaro Ohe
  • Patent number: 4201866
    Abstract: This invention is directed to novel compounds having .beta.-adrenergic blocking activity. The compounds are represented by the following structural formula: ##STR1## wherein R.sup.1 is hydrogen or methyl, R.sup.2 is hydrogen or lower alkyl and their pharmaceutically acceptable salts.
    Type: Grant
    Filed: December 12, 1977
    Date of Patent: May 6, 1980
    Assignee: American Home Products Corporation
    Inventor: Jun Hasegawa
  • Patent number: 4198520
    Abstract: Compounds containing a lipophilic radical, a polyethyleneoxy group and an ethylenically unsaturated radical are disclosed. The compounds are useful as nonionic monomeric emulsion stabilizers.
    Type: Grant
    Filed: October 21, 1977
    Date of Patent: April 15, 1980
    Assignee: The Kendall Company
    Inventors: Carlos M. Samour, Mildred C. Richards