Forming Alicyclic Ring From Acyclic Compound Patents (Class 570/149)
  • Patent number: 9719002
    Abstract: The present technology relates to compositional blends that can be used as refrigerants, and more specifically to blends of vinylidene fluoride and at least one other component for use in very low temperature applications. In at least some examples, the second component can be selected from the group consisting of carbon dioxide and pentafluoroethane. Further, the compositions can be azeotropic or azeotrope-like.
    Type: Grant
    Filed: May 2, 2016
    Date of Patent: August 1, 2017
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Rajiv Ratna Singh, Ryan Hulse
  • Publication number: 20090030228
    Abstract: The present invention provides a process for producing highly pure fluoro-compounds by making use of less costly and readily handleable N-(2-chloro-1,1,2-trifluoroethyl)diethylamine. The process produces little or no chlorinated by-products.
    Type: Application
    Filed: March 22, 2006
    Publication date: January 29, 2009
    Inventors: Norihisa Kondo, Akio Watanabe, Hiroki Kanezaki, Kosuke Kawada
  • Patent number: 6784327
    Abstract: A process for the production of a fluorinated organic compound, characterized by fluorinating an organic compound having a hydrogen atoms using IF5; and a novel fluorination process for fluorinating an organic compound having a hydrogen atoms by using a fluorinating agent containing IF5 and at least one member selected from the group consisting of acids, bases, salts and additives.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: August 31, 2004
    Assignee: Daikin Industries, Ltd.
    Inventors: Norihiko Yoneda, Tsuyoshi Fukuhara, Kazuhiro Shimokawa, Kenji Adachi, Satoshi Oishi
  • Patent number: 6710215
    Abstract: A method of simultaneous and selective prepararation of hexafluoropropylene and octafluorocyclebutane comprising the steps of: (a) thermally decomposing difluorochloromethane to obtain tetrafluoroethylene and then supplying the resulting tetrafluoroethylene into a fluidized bed reactor equipped with a distributor for supplying steam; and (b) supplying steam into a flow of tetrafluoroethylene supplied into the fluidized bed reactor, through a distributor for supplying steam at a certain molar ratio of tetrafluoroethylene/stream, and then performing dimerization of tetrafluoroethylene in the fluidized bed reactor under an atmospheric pressure.
    Type: Grant
    Filed: August 14, 2002
    Date of Patent: March 23, 2004
    Assignee: Korea Institute of Science and Technology
    Inventors: Dong Ju Moon, Moon Jo Chung, Young Soo Kwon, Byoung Sung Ahn
  • Publication number: 20040034259
    Abstract: A method of simultaneous and selective perpararation of hexafluoropropylene and octafluorocyclebutane comprising the steps of:
    Type: Application
    Filed: August 14, 2002
    Publication date: February 19, 2004
    Inventors: Dong Ju Moon, Moon Jo Chung, Young Soo Kwon, Byoung Sung Ahn
  • Patent number: 6395700
    Abstract: Compounds each having a —CH2—CHF— group and a number of carbon atoms of 4 or above are prepared by hydrogenating a compound having a —CCl═CF— group and a number of carbon atoms of 4 or above in the presence of a noble metal catalyst in a liquid or gas phase. The compound having a —CCl═CF— group and a number of carbon atoms of 4 or above is preferably a C4-C10 alicyclic one, and can be prepared by reacting a compound having a —CCl═CCl— group and a number of carbon atoms of 4 or above with a fluorinating agent.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: May 28, 2002
    Assignee: Nippon Zeon Co., Ltd.
    Inventors: Toshiro Yamada, Takashi Uruma, Tatsuya Sugimoto
  • Patent number: 6348633
    Abstract: Bromine containing 1,2-bis(phenyl)difluoromethane derivatives, a method for their preparation and their use in flame retardant compositions.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: February 19, 2002
    Assignee: PCBU Services, Inc.
    Inventors: Mark L. Robin, Charles J. Mazac, Leonard J. Chyall, Paul Kleindl
  • Patent number: 6156943
    Abstract: Processes are disclosed for producing hydrohaloolefins having the formula CF.sub.2 .dbd.C(CH.sub.2 RF)CF.sub.3, the formula FRCF.dbd.C(CH.sub.2 RF)CF.sub.3 or the formula FRCF.dbd.C(CH.sub.2 RF)(CF.sub.2 RF) wherein each R is a difinctional group of the formula --C.sub.2 F.sub.2 XY-- where X and Y are attached to the same carbon, each X is H, Br, Cl or F and each Y is F or CF.sub.3. The processes involve reacting (CF.sub.3).sub.2 C.dbd.CH.sub.2 or certain olefinic adducts thereof with a second olefm of the formula CF.sub.2 .dbd.CXY in the liquid phase in the presence of a Lewis acid catalyst selected from the group consisting of antimony pentafluoride and aluminum chlorofluoride.Also disclosed is 1,1,2,2,-tetrafluoro-3,3-bistrifluoromethylcyclobutane and a process for its production which involves reacting (CF.sub.3).sub.2 C.dbd.CH.sub.2 with CF.sub.2 .dbd.CF.sub.
    Type: Grant
    Filed: October 30, 1998
    Date of Patent: December 5, 2000
    Assignee: E. I. du Pont de Nemours and Company
    Inventor: Viacheslav Alexandrovich Petrov
  • Patent number: 5679874
    Abstract: Process for the preparation of dichloro-(2,2)-paracyclophane from p-methylbenzylhalide through 2(3)-chloro-p-methylbenzyltrimethylammonium halide by Hofmann elimination of 2(3)-chloro-p-methylbenzyl trimethylammonium hydroxide in an aqueous solution of alkali metal hydroxide, wherein the 2(3)-chloro-p-methylbenzyltrimethylammonium halide is prepared by chlorination of p-methylbenzyltrimethylammonium halide and the Hofmann elimination is conducted in the presence of dioxane.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: October 21, 1997
    Assignee: Daisan Kasei Kabushiki Kaisha
    Inventor: Hiroshi Maruyama