Preparing By Increasing The Number Of Carbons In The Compound Patents (Class 570/257)
  • Process for producing 1,1,2,3-tetrachloropropene
    Patent number: 4650914
    Abstract: A process is disclosed for preparing 1,1,2,3-tetrachloropropene comprising allylic rearrangement of 2,3,3,3-tetrachloropropene using a substantially anhydrous ferric chloride catalyst. Alternatively, 1,1,2,3-tetrachloropropene is prepared by dehydrochlorination of 1,1,1,2,3-pentachloropropane using a ferric chloride catalyst. Process schemes commencing with the preparation of the precursor 1,1,1,3-tetrachloropropane by reaction of ethylene with carbon tetrachloride are also disclosed.
    Type: Grant
    Filed: January 9, 1985
    Date of Patent: March 17, 1987
    Assignee: Monsanto Company
    Inventor: Scott S. Woodard
  • Production of 1,1,1,3-tetrachloropropane
    Patent number: 4605802
    Abstract: In the reaction of carbon tetrachloride with ethylene in the presence of a catalyst comprising a phosphite ester and an iron-containing material to produce 1,1,1,3-tetrachloropropane, the improvement which comprises employing powdered iron as the iron-containing material. Thereby the carbon tetrachloride is converted in large amount and with high selectivity to the desired product. The reaction proceeds well even under milder conditions than with the catalysts of the prior art.
    Type: Grant
    Filed: April 1, 1982
    Date of Patent: August 12, 1986
    Assignee: Halocarbon Products Corp.
    Inventor: Gary W. Astrologes
  • Process for producing 1,1,2,3-tetrachloropropene
    Patent number: 4535194
    Abstract: A process is disclosed for preparing 1,1,2,3-tetrachloropropene comprising allylic rearrangement of 2,3,3,3-tetrachloropropene using a substantially anhydrous ferric chloride catalyst. Alternatively, 1,1,2,3-tetrachloropropene is prepared by dehydrochlorination of 1,1,1,2,3-pentachloropropane using a ferric chloride catalyst. Process schemes commencing with the preparation of the precursor 1,1,1,3-tetrachloropropane by reaction of ethylene with carbon tetrachloride are also disclosed.
    Type: Grant
    Filed: July 6, 1983
    Date of Patent: August 13, 1985
    Assignee: Monsanto Co.
    Inventor: Scott S. Woodard
  • Optically active units for the synthesis of the side chain of (R,R,R)-.alpha.-tocopherol and their preparation
    Patent number: 4518813
    Abstract: (2R,6R)-1-Chloro-2,6,10-trimethyl-undecane I, (R)-(+)-.beta.-chloro-isobutyric acid II, (S)-(+)-1-bromo-3-chloro-2-methylpropane IV and (2R)-(+)-1-chloro-2,6-dimethyl-heptane V are novel optically active units for the synthesis of the side chain of (R,R,R)-.alpha.-tocopherol. In the process according to the invention, the optically active C.sub.
    Type: Grant
    Filed: September 30, 1982
    Date of Patent: May 21, 1985
    Assignee: BASF Aktiengesellschaft
    Inventors: Hansgeorg Ernst, Friedrich Vogel, Joachim Paust
  • Preparation of 1,1,1-trichloromethyl compounds
    Patent number: 4475003
    Abstract: 1,1,1-Trichloromethyl compounds are prepared by a process in which chloroform is reacted with an olefin in the presence of a free-radical initiator and of a weakly basic alkali metal salt or alkaline earth metal salt, and are useful intermediates for the preparation of dyes, drugs and pesticides.
    Type: Grant
    Filed: September 13, 1982
    Date of Patent: October 2, 1984
    Assignee: BASF Aktiengesellschaft
    Inventor: Martin Fischer
  • Process for the production of vinyl chloride polymers in the presence of a chain-transfer agent that is a mercapto organic compound having at least one beta-ether linkage
    Patent number: 4471096
    Abstract: Vinyl chloride polymers are prepared by polymerizing a monomer component that comprises vinyl chloride in an aqueous medium in the presence of a free radical-generating polymerization initiator and 0.01% to 2% by weight, based on the weight of the monomer component, of a chain-transfer agent that is a mercapto organic compound having at least one beta-ether linkage. The process can be used to produce low molecular weight vinyl chloride polymers.
    Type: Grant
    Filed: August 3, 1982
    Date of Patent: September 11, 1984
    Assignee: Tenneco Polymers, Incorporated
    Inventors: Zaev Sharaby, Donald Goodman
  • Alkylation process
    Patent number: 4395372
    Abstract: A process is disclosed for alkylation of benzenes with lower olefins which comprises contacting the benzene and lower olefin with a rare earth exchanged X or Y zeolite catalyst in the presence of sulfur dioxide.
    Type: Grant
    Filed: August 9, 1982
    Date of Patent: July 26, 1983
    Assignee: Shell Oil Company
    Inventors: Robert Q. Kluttz, Lynn H. Slaugh
  • Process for the addition of a chlorinated methane containing at least three chlorine atoms to an ethylenically unsaturated hydrocarbon
    Patent number: 4322570
    Abstract: An addition product of a chlorinated methane containing at least 3 chlorine atoms and an ethylenically unsaturated hydrocarbon is prepared by heating at about 70.degree. to about 250.degree. C. in the presence of a manganese compound in which the manganese has a valence of at least 3 as a radical initiator, and a compound containing a carbonyl group the free ligands of which compounds are at either side linked to a carbon atom, such as an aliphatic ketone.
    Type: Grant
    Filed: March 14, 1977
    Date of Patent: March 30, 1982
    Assignee: Akzona Incorporated
    Inventor: Willem J. de Klein
  • Production of 1,3-difunctional compounds
    Patent number: 4322355
    Abstract: An improvement in the reaction of olefin with aldehyde, and optionally, carboxylic acid, in the liquid phase in the presence of a catalytically effective amount of strong acid to provide a 1,3-difunctional compound or a mixture of 1,3-difunctional compounds is provided by carrying out the aforesaid reaction in the further presence of a co-catalyst selected from the group consisting of antimony oxide, bismuth oxide, antimony salt, bismuth salt and mixtures thereof.
    Type: Grant
    Filed: April 15, 1980
    Date of Patent: March 30, 1982
    Assignee: National Distillers & Chemical Corp.
    Inventors: David Horvitz, William D. Baugh
  • Low molecular weight terminally-functional saturated hydrocarbon polymer
    Patent number: 4319061
    Abstract: Terminally-functional saturated hydrocarbon low molecular weight liquid polymers are prepared by cationic polymerization of a 1-alkene containing at least one tertiary or phenyl substituted carbon in the presence of a transfer agent containing a benzylic or tertiary halogen and at least one primary or secondary halogen wherein the 1-alkene is capable of being polymerized by a Friedel Crafts catalyst.
    Type: Grant
    Filed: January 5, 1981
    Date of Patent: March 9, 1982
    Assignee: Exxon Research and Engineering Co.
    Inventors: Gary Ver Strate, Francis P. Baldwin
  • Low molecular weight terminally-functional saturated hydrocarbon polymer
    Patent number: 4278822
    Abstract: Terminally-functional saturated hydrocarbon low molecular weight liquid polymers are prepared by cationic polymerization of a 1-alkene containing at least one tertiary or phenyl substituted carbon in the presence of a transfer agent containing a benzylic or tertiary halogen and at least one primary or secondary halogen wherein the 1-alkene is capable of being polymerized by a Friedel Crafts catalyst.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: July 14, 1981
    Assignee: Exxon Research & Engineering Co.
    Inventors: Gary Ver Strate, Francis P. Baldwin
  • Synthesis of long-chain alkanes having terminal functionality
    Patent number: 4268697
    Abstract: A process for preparing primary substituted n-alkane compounds, comprising contacting the olefin product of an olefin metathesis reaction having an alpha-olefin as the reactant with a bis-cyclopentadienyl zirconium hydrohalide and, after contacting the product of the olefin-zirconium hydrohalide reaction with an electrophilic reagent, recovering said primary substituted n-alkane compound.
    Type: Grant
    Filed: June 21, 1979
    Date of Patent: May 19, 1981
    Assignee: The Procter & Gamble Company
    Inventor: Thomas W. Gibson
  • Process for the preparation of tetrachloroalkanes
    Patent number: 4243607
    Abstract: An ethylenic hydrocarbon is reacted with carbon tetrachloride in the presence of an alkyl phosphite, an iron chloride and a nitrile compound. According to this process, tetrachloroalkanes having more than two carbon atoms can be obtained in high yields.
    Type: Grant
    Filed: November 5, 1976
    Date of Patent: January 6, 1981
    Assignee: Shin-Etsu Chemical Co. Ltd.
    Inventors: Minoru Takamizawa, Haruo Okamoto, Mitsuo Umemura, Kazuo Kooya