Patents Examined by Lewis Gotts
  • Iminoisoindolinone pigments
    Patent number: 4006162
    Abstract: Iminoisoinolinone pigments of the formula ##STR1## wherein R denotes an alkyl group containing 1-4 C atoms, or an aryl group, the W's denote H atoms or, conjointly denote a direct bond, the X's denote halogen atoms, the Y's and Z's denote halogen atoms, alkoxy or alkylmercapto groups containing 1-6 atoms, cycloalkoxy groups containing 5-6 C atoms, or aralkoxy, aryloxy or arylmercapto groups, which are useful for pigmenting high molecular organic material.
    Type: Grant
    Filed: May 6, 1975
    Date of Patent: February 1, 1977
    Assignee: Ciba-Geigy Corporation
    Inventors: Ernst Model, Jost VON DER Crone, Andre Pugin
  • Antiparasitic salicylanilide derivatives
    Patent number: 4005218
    Abstract: Compounds of the class of salicylanilides substituted in the 4-position of the anilino moiety with a --CH(CN)-Ar group wherein Ar is phenyl, substituted phenyl, thienyl, halothienyl or naphthalenyl, said salicylanilides being useful as parasiticides.
    Type: Grant
    Filed: January 13, 1976
    Date of Patent: January 25, 1977
    Assignee: Janssen Pharmaceutica N.V.
    Inventors: Marcel A. C. Janssen, Victor K. Sipido
  • Mercaptans by hydrogen sulfide-cleavage of organic sulfides in presence of carbon disulfide
    Patent number: 4005149
    Abstract: In a process for preparing mercaptans by catalytic cleavage of organic sulfides with hydrogen sulfide in the presence of sulfactive catalysts a method is provided for increasing the total conversion of reactants to mercaptans by including carbon disulfide in the reaction mixture. In a preferred embodiment carbon disulfide is present in the reaction mixture of hydrogen sulfide and organic sulfides in an amount in the molar ratio of about 0.1/1 to about 50/1 organic sulfide to carbon disulfide.
    Type: Grant
    Filed: May 1, 1975
    Date of Patent: January 25, 1977
    Assignee: Phillips Petroleum Company
    Inventor: Donald H. Kubicek
  • Trihydric alcohol derivatives
    Patent number: 4004911
    Abstract: Certain novel trihydric alcohol derivatives, useful as herbicides and fungicides.
    Type: Grant
    Filed: April 18, 1975
    Date of Patent: January 25, 1977
    Assignee: Shell Oil Company
    Inventors: Eirlys R. Isaac, Michael D. Barker
  • Arylisothiocyanate for the regulation of plant growth
    Patent number: 4004907
    Abstract: New arylisothiocyanates corresponding to the formula ##STR1## wherein R represents alkyl, alkoxy or halogenX represents oxygen or sulfur andP represents an integer of from 2 to 5 are disclosed.They can be used for the regulation of plant growth especially for the dessication and defoliation of unlignified parts of plants above the soil.
    Type: Grant
    Filed: October 15, 1975
    Date of Patent: January 25, 1977
    Assignee: Ciba-Geigy Corporation
    Inventor: Wolfgang Schmid
  • [Des-gly].sup.10 -GnRH nonapeptide anide analogs in position 6 having ovulation-inducing activity
    Patent number: 4005063
    Abstract: An unnatural nonapeptide with improved biological activities surpassing those of the natural follicle-stimulating lutenizing hormone-releasing hormone (Gn--RH) is described. The new peptide induces ovulation in warm-blooded animals at an oral dose of 5-100 .mu.g./kg.
    Type: Grant
    Filed: May 15, 1975
    Date of Patent: January 25, 1977
    Assignee: Abbott Laboratories
    Inventors: Ronald Lee Gendrich, Riemond Henry Rippel, John Hunter Seely
  • Derivatives of propargyl or alkenyl phenyl ether and use thereof as acaricide
    Patent number: 4005148
    Abstract: A new compound of the formula ##STR1## wherein X represents methyl group or chlorine atom, Y represents a lower alkyl group having from 1 to 6 carbon atoms or allyl group, R represents propargyl group or an alkenyl group having from 3 to 18 carbon atoms, which may be substituted by chlorine atom and n represents 0, 1 or 2 is used for combating acarids.
    Type: Grant
    Filed: August 5, 1975
    Date of Patent: January 25, 1977
    Assignee: Nippon Kayaku Kabushiki Kaisha
    Inventors: Yukio Aoki, Shizuo Wakita, Shoichi Kato, Shuichi Ishida
  • Preparation of prostaglandin intermediates
    Patent number: 4005109
    Abstract: Preparation of prostaglandin intermediates by reacting mon-tetrahydropyranyl ether, in a diethyl ether medium containing pyridine, with malonyl dichloride, reacting the resulting malonic acid chloride with triethylamine in a diethyl ether medium to produce a ketone derivative, followed by heating to effect ring closure, then reduction, then cleaving the cyclobutyl ring followed by epimerization to produce the "Corey" intermediate. Those intermediates which are novel are also claimed.
    Type: Grant
    Filed: June 24, 1974
    Date of Patent: January 25, 1977
    Inventor: Lawrence Libit
  • Process for the preparation of oligocarbonates with two catalysts
    Patent number: 4005121
    Abstract: A process for the preparation of linear aliphatic polycarbonates having terminal hydroxyl groups is carried out in two stages:I. in the first stage, the transesterification is carried out in the presence of a basic catalyst at a temperature below 140.degree. C, andIi. in the second stage, after complete destruction of the basic catalyst, the transesterification is completed in the presence of an acid catalyst at a temperature of between 200.degree. and 250.degree. C.The polycarbonate-diols obtained are useful for the preparation of polyurethane elastomers which are resistant to hydrolysis.
    Type: Grant
    Filed: December 4, 1975
    Date of Patent: January 25, 1977
    Assignee: Societe Nationale des Poudres et Explosifs
    Inventor: Jean-Pierre G. Senet
  • Preparation of 2,4-dicyano-3,5-dimethylaniline
    Patent number: 4003944
    Abstract: The novel compound 2,4-dicyano-3,5-dimethylaniline is prepared by heating a cyclic compound having the formula ##STR1## and splitting off acetonitrile. The 2,4-dicyano-3,5-dimethylaniline is collected e.g. by sublimation apparatus and is useful as an intermediate in the preparation of dyestuffs e.g. by diazotization and coupling with known coupling components.
    Type: Grant
    Filed: May 25, 1972
    Date of Patent: January 18, 1977
    Assignee: Bayer Aktiengesellschaft
    Inventor: Peter Kurtz
  • Glycosyl esters of phenoxyisobutyric acids
    Patent number: 4003995
    Abstract: Glycosyl esters of formula ##STR1## in which X is chloro, bromo, or lower alkyl and Y is tetra-(lower alkanoyl) or tetrabenzoyl .beta.-D-glucosyl or tri(lower alkanoyl) or tribenzoyl .beta.-D-ribosyl are disclosed. These esters possess antihyperlipoproteinemic activity. Methods for preparation and use, as well as pharmaceutical compositions of the glycosyl esters, also are disclosed.
    Type: Grant
    Filed: January 2, 1976
    Date of Patent: January 18, 1977
    Assignee: American Home Products Corporation
    Inventor: Sumanas Rakhit
  • Manufacture of aliphatic isocyanates
    Patent number: 4003938
    Abstract: Aliphatic isocyanates are produced by thermal decomposition of the corresponding .beta.-naphthyl carbamates.
    Type: Grant
    Filed: March 4, 1976
    Date of Patent: January 18, 1977
    Assignee: BASF Aktiengesellschaft
    Inventors: Karl-Heinz Koenig, Siegfried Kersten, Christian Reitel
  • Peptides having LH-RH/FSH-RH activity
    Patent number: 4003884
    Abstract: Peptides having LH-RH/FSH-RH activity useful for treatment of male and female sterility.
    Type: Grant
    Filed: May 16, 1975
    Date of Patent: January 18, 1977
    Assignee: Hoechst Aktiengesellschaft
    Inventors: Wolfgang Konig, Rolf Geiger, Jurgen K. Sandow
  • Selected 3-pyrrolidinones and 2,4-pyrrolidindiones
    Patent number: 4003911
    Abstract: Certain 1,5-disubstituted 3-pyrrolidinones and 2,4-pyrrolidindiones have biological properties which resemble those of the natural prostaglandins.
    Type: Grant
    Filed: September 26, 1975
    Date of Patent: January 18, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Richard Merrill Scribner
  • 1-Benzyl-5-chloro-2-(1H)-pyrimidone
    Patent number: 4003900
    Abstract: 1-Benzyl-5-chloro-2(1H)-pyrimidone possesses pharmacological activity as an antianxiety agent.
    Type: Grant
    Filed: March 11, 1976
    Date of Patent: January 18, 1977
    Assignee: Morton-Norwich Products, Inc.
    Inventor: Thomas J. Schwan
  • Addition of sulfenyl halides to olefins and acetylenes
    Patent number: 4003939
    Abstract: Acylthiosulfenyl halides, phosphorylsulfenyl halides, and thiophosphorylsulfenyl halides are added to monoolefins, multiolefins and acetylenic compounds. 1,2-Markownikov oriented adducts are the principal products when conjugated diolefins are employed as the starting feedstock. Anti-Markownikov adducts are obtained as major products when unsymmetrical monoolefins and nonconjugated multiolefins are used as the starting material. The addition reactions are conducted at low temperatures.
    Type: Grant
    Filed: July 10, 1975
    Date of Patent: January 18, 1977
    Assignee: Exxon Research and Engineering Company
    Inventors: Wolfgang H. Mueller, Alexis A. Oswald, Daniel N. Hall
  • Substituted trimethylene cyclopropanes, salts thereof, intermediates and methods of making the same
    Patent number: 4003943
    Abstract: Trimethylenecyclopropane wherein all six hydrogen atoms are symmetrically substituted with cyano, alkoxycarbonyl or carbacyl groups and which are salt-forming can be made by reacting tetrachlorocyclopropene with the appropriate active methylene compound such as malononitrile, acetyl acetone or ethyl cyanoacetate. Using limited amounts of malononitrile and a tertiary amine, a tetracyanodimethylenecyclopropene substituted with a quaternary ammonium group is obtained, which reacts with other active methylene compounds including the above, nitroalkanes, benzoylacetonitrile, benzenesulfonylacetonitrile, and dialkyl sulfones to form unsymmetrical substituted trimethylenecyclopropane. The neutral compounds are useful as organic oxidants. Their radical anion salts are useful as organic conductors and as dyes, and the dianion salts are useful as image formers on transparent films or on opaque substrates.
    Type: Grant
    Filed: March 2, 1976
    Date of Patent: January 18, 1977
    Assignee: E. I. Du Pont de Nemours and Company
    Inventor: Tadamichi Fukunaga
  • Conjugates of acid polysaccharides and complex organic substances
    Patent number: 4003792
    Abstract: This invention relates to chemical conjugates of acid polysaccharides and biochemically active complex organic molecules and particularly to such conjugates which are capable of forming soluble sodium salts and insoluble calcium salts.
    Type: Grant
    Filed: August 8, 1972
    Date of Patent: January 18, 1977
    Assignee: Miles Laboratories, Inc.
    Inventors: Patrick James Mill, Michael Alan Cresswell, Joseph George Feinberg
  • 2-(Nitromethylene)-1,3-diazacycloalkane insect control agents
    Patent number: 4002765
    Abstract: Use as insecticides of, and insecticidal compositions containing, certain 2-(nitromethylene)imidazolidines.
    Type: Grant
    Filed: November 7, 1975
    Date of Patent: January 11, 1977
    Assignee: Shell Oil Company
    Inventors: Charles H. Tieman, Willy D. Kollmeyer, Steven A. Roman
  • Soluble collagen
    Patent number: 4002739
    Abstract: A soluble lyophilized collagen preparation is disclosed which is capable of reproducible aggregating platelets.
    Type: Grant
    Filed: February 18, 1975
    Date of Patent: January 11, 1977
    Assignee: Warner-Lambert Company
    Inventors: James E. Turner, James R. Butler