Patents Examined by Paul F. Shaver
  • Preparation of heat stable silicone fluids
    Patent number: 4230632
    Abstract: Heat stable silicone fluids are prepared by adding to silicone fluids from 10 to 50 percent by weight of an aminofunctional silicone fluid based on the total weight of the composition. The resultant composition is stable at temperatures above 400.degree. F. for more than 300 hours.
    Type: Grant
    Filed: March 7, 1979
    Date of Patent: October 28, 1980
    Assignee: SWS Silicones Corporation
    Inventor: Dwain R. Chapman
  • Fuel and lubricant additives from aminoalkylalkanolamines
    Patent number: 4230588
    Abstract: Fatty acids are reacted with aminoalkylalkanolamines to form amide amine alcohols, multiamide-alcohols, or multiamide-esters that have good detergent properties in fuels and lubricants. In an embodiment of the invention reaction products in which all of the reactant nitrogen has not been amidated are further reacted with arylsulfonic acid to provide more water tolerant products.
    Type: Grant
    Filed: August 31, 1978
    Date of Patent: October 28, 1980
    Assignee: Phillips Petroleum Company
    Inventors: Benedict R. Bonazza, Sidney Schiff
  • 1-Aminomethyltricyclo[4.3.1.1.sup.2,5 ]undecane and acid-addition salts thereof
    Patent number: 4229375
    Abstract: 1-Aminomethyltricyclo[4.3.1.1.sup.2,5 ]undecane having the formula (I) and acid-addition salts thereof possess an excellent inhibitory effect on the growth of viruses even at a low concentration.
    Type: Grant
    Filed: February 28, 1979
    Date of Patent: October 21, 1980
    Assignee: Kao Soap Company, Limited
    Inventors: Koji Aigami, Yoshiaki Inamoto, Motoyoshi Ohsugi, Yoshiaki Fujikura, Naotake Takaishi
  • (11Z,13Z)-11,13-Hexadecadiyn-1-ol and (11Z,13Z)-11,13-hexadecadien-1-ol and trimethylsilyl ethers thereof
    Patent number: 4228093
    Abstract: Synthesis of an attractant (11Z,13Z)-11,13-hexadecadienal for the navel orangeworm Amyelois transitella, and intermediates therefor.
    Type: Grant
    Filed: October 18, 1979
    Date of Patent: October 14, 1980
    Assignee: Zoecon Corporation
    Inventors: Robert L. Carney, Clive A. Henrick
  • Process for the preparation of organoalkoxysilanes
    Patent number: 4228092
    Abstract: An improvement in a process for the esterification of a organochlorosilane by feeding alcohol into a chlorosilane maintained within a reaction zone without said alcohol contacting said chlorosilane in the gas phase wherein the esterification is performed stepwise with extraction of hydrogen chloride which has developed, the improvement which comprises employing in at least a final esterification step an organochlorosilane of the formulaH.sub.a R.sub.b SiCl.sub.4-a-bwhereinR represents an optionally halogen-substituted alkyl radical which can also contain an oxygen or sulfur atom in the chain, or a halogen or a NO.sub.2 group or a protected phenolic group containing aryl radical,a equals 0, 1, or 2,b equals 1 or 2, anda+b amounts to a maximum of 3,said final esterification step being performed with the addition of heat.
    Type: Grant
    Filed: January 2, 1979
    Date of Patent: October 14, 1980
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hans-Joachim Kotzsch, Claus-Dietrich Seiler, Hans-Joachim Vahlensieck
  • Low-foaming alkoxy-bis(trialkoxysiloxy)-silane surfactants
    Patent number: 4226794
    Abstract: Novel surface active agents are disclosed having the formula: ##STR1## wherein R is hydrogen, an alkyl, alkenyl, aryl or aralkyl group; each R' is independently selected from the same group as R with the proviso that at least a majority of R' radicals attached to each Si atom are sterically hindered alkyl groups having at least 3 carbon atoms; each R''' independently is selected from hydrogen or methyl; and n is an integer of from about 10 to about 75.
    Type: Grant
    Filed: May 21, 1979
    Date of Patent: October 7, 1980
    Assignee: Olin Corporation
    Inventors: Michael Scardera, David F. Gavin
  • Polycycloaliphatic polyamines
    Patent number: 4226737
    Abstract: Novel polycycloaliphatic polyamines are provided which have the structure ##STR1## wherein x and y are integers of from 0 to about 2 and the sum of x+y is at least 1. Further, polycycloaliphatic polyamine curing agents for polyepoxide resins are provided wherein such curing agents are a reaction mixture consisting essentially of from about 50 to about 75 weight percent of a polycycloaliphatic polyamine represented by the structure ##STR2## and from about 15 to about 30 weight percent of a polycycloaliphatic polyamine represented by the structure ##STR3## wherein x and y are integers of from 0 to about 2 and the sum of x+y is 2.
    Type: Grant
    Filed: November 10, 1977
    Date of Patent: October 7, 1980
    Assignee: Milliken Research Corporation
    Inventors: Edward W. Kluger, Tien K. Su
  • Process for the manufacture of monomeric and oligomeric silicic acid esters
    Patent number: 4226793
    Abstract: An improvement in a process for forming an orthosilicic acid ester or an oligomer thereof by contacting a tetrachlorosilane or higher homolog thereof with a primary alcohol, the improvement which comprises introducing the alcohol directly into a tetrachlorosilane liquid phase without said alcohol touching the gas phase and, after completion of the reaction, removing hydrogen chloride formed during the reaction from the reaction zone.
    Type: Grant
    Filed: September 28, 1978
    Date of Patent: October 7, 1980
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Hans-Joachim Kotzsch, Claus-Dietrich Seiler, Hans-Joachim Vahlensieck
  • Modifier composition for azo pigments based on 2-hydroxy-3-naphthoic acid
    Patent number: 4224221
    Abstract: The use of alpha-substituted-2-hydroxy-3-naphthoic acids to replace part of the conventional 2-hydroxy-3-naphthoic acid coupling component results in improved azo dyes.
    Type: Grant
    Filed: January 5, 1979
    Date of Patent: September 23, 1980
    Assignee: American Cyanamid Company
    Inventors: David R. Burley, Christopher J. Brookes
  • Method for preparation of orthosilicic acid tetraalkyl esters
    Patent number: 4224234
    Abstract: An improvement in the preparation of orthosilicic acid tetraalkyl esters by reaction of metallic silicon with alcohol in the presence of alkali alcoholate is disclosed, the improvement residing in carrying out the reaction in the co-presence of an ether alcohol or alkanolamine as cocatalyst.
    Type: Grant
    Filed: April 16, 1979
    Date of Patent: September 23, 1980
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Wilhelm Flick, Hermann Richtzenhain, Volker Hunger, Wilhelm Joch
  • Azo dyes
    Patent number: 4224220
    Abstract: Azo dyes of the general formula ##STR1## where A.sup.1 is fluorine, chlorine, bromine, cyano, trifluoromethyl, C.sub.1 -C.sub.4 -alkylsulfonyl or substituted carbamoyl,A.sup.2 is hydrogen, chlorine, bromine or methyl,A.sup.3 is hydrogen, chlorine, bromine, carboxylic acid ester, cyano, trifluoromethyl, substituted carbamoyl, methyl, ethyl, methoxy or ethoxy,A.sup.4 is hydrogen, chlorine, methoxy or ethoxy,R is hydrogen, hydroxy, amino, methyl, ethyl or propyl,R.sup.1 is hydrogen, substituted or unsubstituted C.sub.1 -C.sub.8 -alkyl, hydroxyl or amino andX is cyano, carbamoyl or hydrogen.The compounds according to the invention are outstandingly suitable for dyeing synthetic fibers, especially polyesters. The high tinctorial strength and the good fastness characteristics of the dyes deserve particular mention.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: September 23, 1980
    Assignee: BASF Aktiengesellschaft
    Inventor: Gunther Lamm
  • Process for the production of alkylsilanes
    Patent number: 4224233
    Abstract: An improved process for the preparation of alkylsilanes and/or alkylsilanes substituted at the alkyl group by an addition reaction in the presence of a platinum or palladium supported catalyst wherein the reaction mixture is heated to its boiling point, condensed and the condensate contacts the catalyst, the improvement residing in vaporizing the reaction mixture and maintaining the vapors in out of contact relationship with respect to the platinum or palladium supported catalyst and contacting the reaction mixture only after it has condensed with the platinum or palladium supported catalyst and recovering the condensed reaction product.
    Type: Grant
    Filed: April 3, 1979
    Date of Patent: September 23, 1980
    Assignee: Dynamit Nobel Aktiengesellschaft
    Inventors: Claus-Dietrich Seiler, Hans-Joachim Vahlensieck
  • Addition of Si-bonded hydrogen to an aliphatic multiple bond
    Patent number: 4222951
    Abstract: This invention relates to halogen platinum complexes of the formulaA.sub.2 PtX.sub.2 and/or C.sub.3 H.sub.6 PtB.sub.2 X.sub.2and a process for adding Si-bonded hydrogen to an aliphatic multiple bond in the presence of these halogen platinum complexes, in which A represents the same or different pyridine rings, which are substituted by one or two alkyl radicals having from 1 to 3 carbon atoms, B represents the same or different, 5- or 6-membered heterocyclics or linked 5- or 6-membered heterocyclics having 1 to 2 heteroatoms and X represents the same or different halogen atoms.
    Type: Grant
    Filed: February 14, 1979
    Date of Patent: September 16, 1980
    Assignee: Consortium fur Elektrochemische Industrie GmbH
    Inventors: Gerhard Kreis, Peter August
  • Moisture curable organopolysiloxanes
    Patent number: 4223122
    Abstract: Organopolysiloxanes are provided having terminal 1,3-dicarbonyl cyclic organo siloxy units curable to the solid elastomeric state upon exposure to moisture under ambient conditions. The moisture curable organopolysiloxanes are useful as encapsulants, caulking compounds, adhesives, etc.
    Type: Grant
    Filed: August 22, 1979
    Date of Patent: September 16, 1980
    Assignee: General Electric Company
    Inventor: James A. Cella
  • Process for hydrogenating aromatic dinitriles
    Patent number: 4222961
    Abstract: A process for the hydrogenation of aromatic dinitriles to the corresponding cycloaliphatic aminomethyl compounds by(1) hydrogenating the nitrile in an ether solvent containing water and ammonia using nickel or cobalt as catalyst,(2) removing by-products from the aromatic diamine thus produced,(3) subjecting the aromatic diamine to hydrogenation with a ruthenium catalyst in an aqueous solvent system devoid of ammonia and(4) isolating the cycloaliphatic diamine product.
    Type: Grant
    Filed: February 1, 1979
    Date of Patent: September 16, 1980
    Assignee: Suntech, Inc.
    Inventors: Walter A. Butte, Jr., William J. Murtaugh, Howard P. Angstadt
  • Method of preparing organosiloxanes and methylchloride
    Patent number: 4222953
    Abstract: Organochlorosilanes are reacted with methanol in contact with a tetraorganophosphonium chloride catalyst to form organosiloxanes and methylchloride. The method avoids significant silicon-carbon bond cleavage and provides good conversion of the chlorine of the chlorosilane to methylchloride while avoiding undesirable dimethylether formation.
    Type: Grant
    Filed: August 6, 1979
    Date of Patent: September 16, 1980
    Assignee: Dow Corning Corporation
    Inventor: Louis G. Mahone
  • Azo pigments
    Patent number: 4221709
    Abstract: Azo pigments having the formula ##STR1## wherein X represents hydrogen or halogen atom; n represents an integer of 1 to 4; R.sub.1 represents a substituted or unsubstituted aromatic group; R.sub.2 represents a moiety of a coupling component which has one coupling site and R.sub.3 represents a moiety of a coupling component which has two coupling sites.The azo pigments can be produced by coupling a coupling component with a diazonium compound of an aromatic amine having the formula ##STR2## wherein X, n and R.sub.1 are defined above.
    Type: Grant
    Filed: January 8, 1979
    Date of Patent: September 9, 1980
    Assignee: Dainichiseika Color & Chemicals Mfg. Co., Ltd.
    Inventors: Kimihide Kawamura, Shojiro Horiguchi
  • Bis-(3,3-dinitrobutyl)-polysiloxane
    Patent number: 4221736
    Abstract: A method for producing an explosive ingredient bis-(3,3-dinitrobutyl)-polloxane is described.
    Type: Grant
    Filed: August 14, 1978
    Date of Patent: September 9, 1980
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Kurt Baum, Duane A. Lerdal
  • Polycarbosilane, process for its production, and its use as material for producing silicon carbide fibers
    Patent number: 4220600
    Abstract: A process for producing polycarbosilane partly containing siloxane bonds, ich comprises adding 0.01 to 15% by weight of polyborosiloxane having phenyl groups in at least a part of the side chains of Si with its skeletal structure being composed of B, Si and O to a polysilane having the structure ##STR1## wherein n is at least 3, and R.sub.1 and R.sub.2, independently from each other, represent methyl, ethyl, phenyl or hydrogen; and heating the polymer mixture in an atmosphere inert to the reaction thereby to polymerize it. The polycarbosilane has excellent properties, and is especially suitable as a raw material for the production of silicon carbide fibers.
    Type: Grant
    Filed: October 23, 1978
    Date of Patent: September 2, 1980
    Assignee: The Foundation: The Research Institute for Special Inorganic Materials
    Inventors: Seishi Yajima, Kiyohito Okamura, Yoshio Hasegawa
  • Cooling and lubricating fluid for metal working
    Patent number: 4218329
    Abstract: A cooling and lubricating fluid for metal cutting, grinding and other machining processes comprises an aqueous solution of a salt of molybdate, a reaction product of an aromatic sulfonamidocarboxylic acid and alkanol amines, morpholine, a metal deactivator, a coupling agent, and optionally, bactericide, fungicide, chelating and extreme pressure agents.
    Type: Grant
    Filed: August 28, 1978
    Date of Patent: August 19, 1980
    Inventor: Kook-Wha Koh