Patents by Inventor Carl J. Schack

Carl J. Schack has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Synthesis of R.sub.f OTeF.sub.5
    Patent number: 4675088
    Abstract: Pentafluorotellurium hypohalites are reacted with fluorocarbon iodides to form intermediate adducts which are thereafter decomposed to form fluorocarbons containing the TeF.sub.5 O-- group.
    Type: Grant
    Filed: January 31, 1986
    Date of Patent: June 23, 1987
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl J. Schack, Karl O. Christe
  • Process for preparing pentafluorotellurium hypofluorite
    Patent number: 4594232
    Abstract: A novel method for synthesizing pentafluorotellurium hypofluorite by effecting a reaction between B(OTeF.sub.5).sub.3 and elemental fluorine.
    Type: Grant
    Filed: August 21, 1985
    Date of Patent: June 10, 1986
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl J. Schack, Karl O. Christe
  • Multi-(OTeF.sub.5)-substituted fluorocarbons
    Patent number: 4578225
    Abstract: An acyclic compound of the formulaC.sub.n F.sub.n (OTeF.sub.5).sub.m X.sub.pwherein X is F, H or Cl, n is an integer in the range of 2 to 6, m is an even integer in the range of 2 to n, and p is (n-m+2).Also provided is a cyclic compound of the formulaC.sub.a F.sub.a (OTeF.sub.5).sub.b X.sub.cwherein X is F or Cl, a is 5 or 6, C.sub.a is a 5- or 6-membered ring, b is an integer having a value of 2 or 4 and c is (a-b).
    Type: Grant
    Filed: May 29, 1984
    Date of Patent: March 25, 1986
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl J. Schack, Karl O. Christe
  • Alkyl, azido, nitro ethers and method of preparation
    Patent number: 4522756
    Abstract: A family of compounds using as energetic plasticizers having the general structural formula R--N(NO.sub.2)--CH.sub.2 CH.sub.2 CH.sub.2 (OCH.sub.2 CH.sub.2).sub.2 X wherein R is an alkyl group having from 1 to 10 carbon atoms and wherein X is a --ONO.sub.2 or --N.sub.3 radical, and their method of preparation.
    Type: Grant
    Filed: March 28, 1983
    Date of Patent: June 11, 1985
    Assignee: Rockwell International Corporation
    Inventors: Carl J. Schack, Joseph E. Flanagan
  • Pentafluorotelluriumoxide fluorocarbons
    Patent number: 4508662
    Abstract: Pentafluorotellurium hypofluorite and pentafluorotellurium hypochlorite have been reacted with olefinic reactants to form fluorocarbon adducts containing the oxypentafluorotellurium group (TeF.sub.5 O--).
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: April 2, 1985
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl J. Schack, Karl O. Christe
  • Method for introducing fluorine into an aromatic ring
    Patent number: 4476337
    Abstract: A process for introducing a fluorine atom into an aromatic hydrocarbon by effecting a substitution reaction between an aromatic hydrocarbon and an NF.sub.4.sup.+ cation containing salt.
    Type: Grant
    Filed: September 20, 1983
    Date of Patent: October 9, 1984
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Karl O. Christe, Carl J. Schack
  • Synthesis of pentafluorotellurium hypofluorite
    Patent number: 4462975
    Abstract: The present invention concerns itself with a method for synthesizing hypofluorite compounds by utilizing fluorine fluorosulfate as a fluorinating agent and to a novel pentafluorotellurium hypofluorite compound prepared thereby.
    Type: Grant
    Filed: March 24, 1983
    Date of Patent: July 31, 1984
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl J. Schack, William W. Wilson, Karl O. Christe
  • Novel method for the preparation of CF.sub.3 NF.sub.2
    Patent number: 4430514
    Abstract: A novel method is provided for the preparation of difluoramino trifluoromane by the direct fluorination of azidotrifluoromethane in the temperature range of 70.degree. C. to 80.degree. C. A potassium fluoride catalyst also may enhance the rate of reaction and increase the yield.
    Type: Grant
    Filed: June 21, 1982
    Date of Patent: February 7, 1984
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventor: Carl J. Schack
  • Method for introducing fluorine into an aromatic ring
    Patent number: 4423260
    Abstract: A process for introducing a fluorine atom into an aromatic hydrocarbon by effecting a substitution reaction between an aromatic hydrocarbon and an NF.sub.4.sup.+ cation containing salt.
    Type: Grant
    Filed: January 27, 1982
    Date of Patent: December 27, 1983
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Karl O. Christe, Carl J. Schack
  • Method for synthesizing fluorocarbon halides
    Patent number: 4222968
    Abstract: A method for synthesizing fluorocarbon halides by effecting a reaction at ambient temperatures between a fluorocarbon acid or its derivative and a halogen fluorosulfate.
    Type: Grant
    Filed: June 8, 1979
    Date of Patent: September 16, 1980
    Inventors: Carl J. Schack, Karl O. Christe
  • Synthesis of fluorocarbon esters
    Patent number: 4216338
    Abstract: A method for synthesizing perfluoroesters by effecting a reaction at subambient temperatures between a perfluorocarbon acid, or its derivatives, and a halogen fluorosulfate to produce an intermediate perfluoroacyl hypohalite which in turn is reacted with a suitable olefinic reactant to produce a perfluoroester.
    Type: Grant
    Filed: June 8, 1979
    Date of Patent: August 5, 1980
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: Carl J. Schack, Karl O. Christe
  • Displacement reaction for producing NF.sub.4 PF.sub.6
    Patent number: 4172881
    Abstract: A method of producing NF.sub.4 PF.sub.6 by a displacement reaction between NF.sub.4 BF.sub.4 and PF.sub.5.
    Type: Grant
    Filed: November 7, 1977
    Date of Patent: October 30, 1979
    Assignee: Rockwell International Corporation
    Inventors: Karl O. Christe, Carl J. Schack
  • Self-clinkering NF.sub.4 + compositions for NF.sub.3 -F.sub.2 gas generators and method of producing same
    Patent number: 4172884
    Abstract: Improved NF.sub.4.sup.+ compositions for solid propellant NF.sub.3 -F.sub.2 gas generators are described which produce NF.sub.3 and F.sub.2 free of gaseous Lewis acids and do not require clinker forming additives for their complexing. The novel self-clinkering compositions (NF.sub.4).sub.2 SnF.sub.6, NF.sub.4 SnF.sub.5, (NF.sub.4).sub.2 TiF.sub.6, NF.sub.4 Ti.sub.2 F.sub.9, NF.sub.4 Ti.sub.3 F.sub.13, and NF.sub.4 Ti.sub.6 F.sub.25 and processes for their production are disclosed.
    Type: Grant
    Filed: July 24, 1978
    Date of Patent: October 30, 1979
    Assignee: Rockwell International Corporation
    Inventors: Karl O. Christe, Carl J. Schack, Richard D. Wilson
  • Self-clinkering burning rate modifier for solid propellant NF.sub.3 -F.sub. 2
    Patent number: 4163773
    Abstract: N.sub.2 F.sub.3 SnF.sub.5 is formed by reacting N.sub.2 F.sub.3 SbF.sub.6 and Cs.sub.2 SnF.sub.6 in the presence of HF. N.sub.2 F.sub.3 SnF.sub.5 is useful as a component of NF.sub.3 -F.sub.2 gas generating compositions.
    Type: Grant
    Filed: December 18, 1978
    Date of Patent: August 7, 1979
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Karl O. Christe, Carl J. Schack
  • N.sub.2 F.sub.3 SbF.sub.6 and its preparation
    Patent number: 4163774
    Abstract: N.sub.2 F.sub.4 and SbF.sub.5 react in anhydrous HF to produce N.sub.2 F.sub.3 SbF.sub.6. The salt is useful as a burn rate modifier in NF.sub.3 -F.sub.2 gas generators.
    Type: Grant
    Filed: November 27, 1978
    Date of Patent: August 7, 1979
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Carl J. Schack, Karl O. Christe
  • Self-clinkering NF.sub.4.sup.+ compositions for NF.sub.3 -F.sub.2 gas generators and method of producing same
    Patent number: 4152406
    Abstract: Improved NF.sub.4.sup.+ compositions for solid propellant NF.sub.3 -F.sub.2 gas generators are described which produce NF.sub.3 and F.sub.2 free of gaseous Lewis acids and do not require clinker forming additives for their complexing. The novel self-clinkering compositions (NF.sub.4).sub.2 SnF.sub.6, NF.sub.4 SnF.sub.5, (NF.sub.4).sub.2 TiF.sub.6, NF.sub.4 Ti.sub.2 F.sub.9, NF.sub.4 Ti.sub.3 F.sub.13, and NF.sub.4 Ti.sub.6 F.sub.25 and processes for their production are disclosed.
    Type: Grant
    Filed: October 20, 1976
    Date of Patent: May 1, 1979
    Assignee: Rockwell International Corporation
    Inventors: Karl O. Christe, Carl J. Schack, Richard D. Wilson
  • Photolysis method for producing NF.sub.4 PF.sub.6
    Patent number: 4102984
    Abstract: A method of producing NF.sub.4 PF.sub.6 by ultraviolet photolysis at -196.degree. C of a mixture of NF.sub.3, F.sub.2 and PF.sub.5.
    Type: Grant
    Filed: October 14, 1976
    Date of Patent: July 25, 1978
    Assignee: Rockwell International Corporation
    Inventors: Karl O. Christe, Carl J. Schack
  • Synthesis of nitryl perchlorate
    Patent number: 4026996
    Abstract: An improved method of synthesizing nitryl perchlorate by oxidizing chlorine nitrate with ozone.
    Type: Grant
    Filed: May 28, 1974
    Date of Patent: May 31, 1977
    Assignee: Rockwell International Corporation
    Inventor: Carl J. Schack
  • Synthesis of anhydrous metal perchlorates
    Patent number: 4012492
    Abstract: Preparation of titanium tetraperchlorate, vanadium perchlorate, and chromyl erchlorate by the reactions of chlorine perchlorate with the respective anhydrous metal chlorides at a temperature from about -45.degree. C to about 20.degree. C. These perchlorates are useful in compounding gas generating compositions.
    Type: Grant
    Filed: June 10, 1975
    Date of Patent: March 15, 1977
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: Carl J. Schack, Donald Pilipovich