Patents Examined by Thomas A. Waltz
  • Patent number: 4490306
    Abstract: Sulfonamides are prepared by reacting ammonia or an amine with a halosilane and then reacting the resulting silylamine with sulfuryl chloride in the presence of a solvent which is inert under the reaction conditions.The sulfonamides are used as intermediates for drugs and crop protection agents, and are starting materials for the preparation of alkylamidosulfonyl chlorides.
    Type: Grant
    Filed: January 17, 1983
    Date of Patent: December 25, 1984
    Assignee: BASF Aktiengesellschaft
    Inventor: Rolf-Dieter Acker
  • Patent number: 4488988
    Abstract: Described is the methyl carbonate of .alpha.,3,3-trimethyl cyclohexane methanol defined according to the structure: ##STR1## and uses thereof in augmenting or enhancing the aroma of perfume compositions, colognes and perfumed articles such as solid or liquid anionic, cationic, nonionic or zwitterionic detergents, fabric softeners, fabric softener articles as well as hair sprays, shampoos and bath oils and perfumed polymers. Also described is a process for preparing the methyl carbonate of .alpha.
    Type: Grant
    Filed: September 14, 1983
    Date of Patent: December 18, 1984
    Assignee: International Flavors & Fragrances Inc.
    Inventors: Michael Licciardello, Richard M. Boden
  • Patent number: 4488993
    Abstract: Novel phenylamidinourea compounds and processes for their preparation are described. These compounds have an effective degree of anti-hypertensive properties and exert activities on the cardiovascular system. A method for the treatment of hypertensive disorders is also described.
    Type: Grant
    Filed: October 25, 1982
    Date of Patent: December 18, 1984
    Assignee: William H. Rorer, Inc.
    Inventors: George H. Douglas, Julius Diamond
  • Patent number: 4487783
    Abstract: (Thio)-ureas of the formula ##STR1## in which R.sup.1 is an optionally alkyl-substituted cycloalkyl radical or a halogenoalkyl radical,R.sup.2 is an alkyl or cycloalkyl radical or an optionally substituted aryl radical,Ar is an optionally substituted aryl radical, at least one of the radicals R.sup.1, R.sup.2 and Ar carrying fluorine or a fluorine-containing substituent, andX is an oxygen or sulphur atom,which possess fungicidal activity. Novel intermediates are also disclosed.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: December 11, 1984
    Assignee: Bayer Aktiengesellschaft
    Inventors: Klaus Grohe, Volker Paul
  • Patent number: 4486337
    Abstract: The invention is concerned with a novel odorant and/or flavoring substance, namely, 2-methyl-2-buten-1-yl tiglate of the formula ##STR1## The invention is also concerned with a process for the manufacture of the compound of formula I, the compound of formula I as an odorant and/or flavoring substance and odorant and/or flavoring compositions containing the compounds of formula I.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: December 4, 1984
    Assignee: Givaudan Corporation
    Inventors: Dietmar Lamparsky, Roman Kaiser
  • Patent number: 4485044
    Abstract: Improved additive compositions comprise sulfurized, esterified, unsaturated polycarboxylic acids. Such additive compositions possess good solubility in oils and impart improved lubrication and anti-oxidant properties to lubricant, fuel, and metal-working compositions.
    Type: Grant
    Filed: February 24, 1982
    Date of Patent: November 27, 1984
    Assignee: Ferro Corporation
    Inventors: Karl P. Kammann, Jr., Paul F. Thompson
  • Patent number: 4485260
    Abstract: There is disclosed a process for the production of unsymmetrical, substituted diarylamines by the reaction of a primary aromatic amine and a substituted phenol wherein the phenol is held in excess of the primary aromatic amine thereby minimizing by-product formation as a result of self-condensation of the primary arylamine. The desired secondary amine is produced in high yield and purity by recycling the unreacted phenol.
    Type: Grant
    Filed: March 22, 1982
    Date of Patent: November 27, 1984
    Assignee: Xerox Corporation
    Inventors: Paul Szabo, Daniel E. Freeman, Trevor I. Martin, John M. Lennon
  • Patent number: 4484942
    Abstract: A compound of the formula: ##STR1## wherein X and Y, which may be same or different, are each a C.sub.1 -C.sub.3 alkyl group, a halogen atom, a trifluoromethyl group, a nitro group or a C.sub.1 -C.sub.3 alkoxy group, m is an integer of 0 to 3 and n is an integer of 1 or 2, which is useful as a herbicide.
    Type: Grant
    Filed: August 2, 1983
    Date of Patent: November 27, 1984
    Assignee: Sumitomo Chemical Company, Limited
    Inventors: Osamu Kirino, Shunichi Hashimoto, Hiroshi Matsumoto, Hiromichi Oshio
  • Patent number: 4482739
    Abstract: Imidazolidine derivatives of the formula ##STR1## wherein X is oxygen or imino and R is one of the groups ##STR2## their preparation, use as antiandrogenically or schistosomicidally active agents, and corresponding pharmaceutical preparations, are described.
    Type: Grant
    Filed: May 12, 1983
    Date of Patent: November 13, 1984
    Assignee: Hoffmann-La Roche Inc.
    Inventors: Karl Bernauer, Helmut Link, Harro Stohler
  • Patent number: 4482738
    Abstract: A process for preparing semicarbazide hydrochloride comprising the steps:(a) reacting an aqueous hydrazine solution with urea at a temperature from about 80.degree. C. to about 130.degree. C. and at a mole ratio of hydrazine to urea from about 0.9:1 to about 1.2:1 to form a reaction mixture comprising semicarbazide, water and alcohol-insoluble by-products;(b) removing substantially all of the water from the reaction mixture;(c) mixing a sufficient amount of an alcohol with the water-deleted reaction mixture to dissolve the semicarbazide and to precipitate said alcohol-insoluble by-products from the resulting alcohol solution;(d) removing said precipitated alcohol-insoluble by-products from said alcohol solution;(e) adding a sufficient amount of anhydrous hydrogen chloride to said alcohol solution to form and precipitate semicarbazide hydrochloride; and(f) recovering said semicarbazide hydrochloride from said alcohol solution.
    Type: Grant
    Filed: August 1, 1983
    Date of Patent: November 13, 1984
    Assignee: Olin Corporation
    Inventor: Eugene F. Rothgery
  • Patent number: 4482576
    Abstract: A method for treating an edible oil rich in linoleic acids so as to increase its solid fat content comprises the directed interesterification under isothermal conditions of an oil containing at least 60% pufa and 12.5 to 16% safa. The method is simple to perform and produces an oil which can be employed directly in margarine manufacture. The oil can be a mixture of an oil high in pufa such as natural sunflower and safflower seed oil and an oil high in safa such as fully or partially hardened sunflower or safflower seed oil.
    Type: Grant
    Filed: March 8, 1982
    Date of Patent: November 13, 1984
    Assignee: Lever Brothers Company
    Inventors: Jacobus Boot, Adrianus Rozendaal, Robert Schijf
  • Patent number: 4481217
    Abstract: An .alpha.,.beta.-dihydropolyprenyl derivative having the formula (I): ##STR1## wherein X represents a group of --COOR.sub.1 or --CH.sub.2 OR.sub.2 in which R.sub.1 is the hydrogen atom or a lower alkyl group and R.sub.2 is the hydrogen atom or an aliphatic acyl group having one to four carbon atoms; and n is an integer of one to four. A process for the preparation of the .alpha.,.beta.-dihydropolyprenyl derivative and a therapeutic agent for treatment of liver diseases comprising the same are also disclosed.
    Type: Grant
    Filed: May 28, 1981
    Date of Patent: November 6, 1984
    Assignee: Eisai Co., Ltd.
    Inventors: Isao Yamatsu, Yuichi Inai, Shinya Abe, Hideaki Watanabe, Toshiji Igarashi, Hiroyuki Shiojiri, Yoshio Tanabe, Kuniko Hara
  • Patent number: 4481145
    Abstract: Unsaturated acids in rosin or tall oil are disproportionated by heating the rosin or tall oil with a catalyst comprising iodine and an iron compound using ammonia, an ammonium salt or an amine as an additional component of the catalyst. Use of this additional component gives a remarkable and unexpected increase in reaction rate and enables the preparation of a disproportionated rosin containing 0.5% or less residual abietic acid, as measured by ultraviolet spectroscopy.
    Type: Grant
    Filed: January 31, 1983
    Date of Patent: November 6, 1984
    Assignee: Enichem Elastomers Limited
    Inventor: Donald G. Timms
  • Patent number: 4480125
    Abstract: The present invention relates to itaconamide compounds of the formula ##STR1## wherein R is hydrogen, alkyl, aryl, alkaryl, or aralkyl and to a method of preparing the subject compounds which comprises preparing a mixed anhydride of 2-methylenesuccinamic acid and reacting the mixed anhydride with a compound of the formula RNH.sub.2, wherein R is as previously defined, to provide the corresponding itaconamide compound.
    Type: Grant
    Filed: November 16, 1981
    Date of Patent: October 30, 1984
    Assignee: Polaroid Corporation
    Inventors: Howard C. Haas, Stanley J. Jasne, Robert D. Moreau
  • Patent number: 4478852
    Abstract: The present invention relates to new urea derivatives having pesticidal activity, particularly fungicidal activity. The urea derivatives, according to the invention, have the general formula ##STR1## wherein X, Y and Z represent hydrogen or halogen atoms and at least one of the substituents X, Y or Z is a halogen atom.
    Type: Grant
    Filed: May 12, 1982
    Date of Patent: October 23, 1984
    Assignee: Celamerck GmbH & Co. KG.
    Inventors: Heinz-Manfred Becher, Christo A. Drandarevski, Sigmund Lust
  • Patent number: 4477382
    Abstract: The conversion of a carboxylic acid having the formula RCOOH wherein R is a hydrocarbon group having from 1 to 20 carbon atoms to its corresponding anhydride by contacting said carboxylic acid with a salt of at least one metal selected from the group consisting of palladium, cobalt, manganese, chromium, nickel, copper, rhodium, iron and thorium at a temperature in the range of from about 120.degree. to 300.degree. C. is described.
    Type: Grant
    Filed: December 21, 1982
    Date of Patent: October 16, 1984
    Assignee: Ashland Oil, Inc.
    Inventors: Anil B. Goel, Harvey J. Richards
  • Patent number: 4477680
    Abstract: A method for increasing the growth rate and/or improving the lean meat to fat ratio in farm and domestic animals. An effective amount of a 3-amino-4-hydroxy(or alkoxy)phenethanolamine derivative, pharmacologically-acceptable acid addition or metal salt thereof is administered either orally or parenterally to animals. Novel 3-amino-4-hydroxy(or alkoxy)phenethanolamine derivatives are also described.
    Type: Grant
    Filed: November 5, 1982
    Date of Patent: October 16, 1984
    Assignee: American Cyanamid Company
    Inventor: Goro Asato
  • Patent number: 4476339
    Abstract: Steam dehydrocyclization of paraffinic hydrocarbons to aromatic hydrocarbons is effected in the presence of supported catalyst, typically bearing rhodium and preferably chromium and potassium, and characterized by a pH less than about 8.
    Type: Grant
    Filed: February 5, 1981
    Date of Patent: October 9, 1984
    Assignee: Texaco Inc.
    Inventors: Russell R. Reinhard, Tansukhial G. Dorawala, Edwin R. Kerr
  • Patent number: 4476321
    Abstract: N-Phenylsulfonyl-N'-pyrimidinyl- and triazinylureas of the general formula ##STR1## and the salts thereof with amines, alkali metal or alkaline earth metal bases or with quaternary ammonium bases, have good pre- and postemergence selective herbicidal and growth regulating properties. In the above formulaA is a C.sub.1 -C.sub.6 haloalkyl radical,E is the methine group or nitrogen,X is oxygen, sulfur, a sulfinyl or sulfonyl bridge,Z is oxygen or sulfur,m is 1 or 2,R.sub.1 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl or a radical --Y--R.sub.5,R.sub.2 is hydrogen, halogen, C.sub.1 -C.sub.5 alkyl, C.sub.2 -C.sub.5 alkenyl, C.sub.1 -C.sub.4 -haloalkyl, or a radical --Y--R.sub.5, --COOR.sub.6, --NO.sub.2 or --CO--NR.sub.7 --R.sub.8,R.sub.3 and R.sub.4, each independently of the other, are hydrogen, C.sub.1 -C.sub.4 alkyl, C.sub.1 -C.sub.4 alkoxy, C.sub.1 -C.sub.4 alkylthio, C.sub.1 -C.sub.4 haloalkyl, halogen or alkoxyalkyl of at most 4 carbon atoms,R.sub.5 and R.sub.
    Type: Grant
    Filed: September 24, 1982
    Date of Patent: October 9, 1984
    Assignee: Ciba-Geigy Corporation
    Inventors: Willy Meyer, Werner Fory
  • Patent number: RE31717
    Abstract: This invention is directed to 2-chloro-6-nitro-aniline compounds of the formula ##STR1## wherein A represents hydrogen, a straight or branched alkyl radical having from 1 to 6 carbon atoms a cycloalkyl radical having from 3 to 6 carbon atoms, a chlorine-substituted or hydroxyl-substituted alkyl radical having from 2 to 6 carbon atoms, or an allyl or trifluoroacetyl group,B represents hydrogen or a methyl, ethyl, n-propyl, or isopropyl group, orA and B represent together an alkylene radical optionally interrupted by oxygen, .dbd.NH or, .dbd.NCH.sub.3, and having up to 5 members, or the group.dbd.CH--N(CH.sub.3).sub.2,R represents hydrogen, fluorine, chlorine, or bromine or a trifluoromethyl, methyl, or methoxy group, and X represents oxygen or sulphur,and novel herbicidal compositions containing these compounds as active ingredients.
    Type: Grant
    Filed: September 9, 1983
    Date of Patent: October 30, 1984
    Assignee: Celamerck GmbH & Co. KG
    Inventors: Wolfgang Buck, Richard Sehring, Gerbert Linden, Sigmund Lust