Halogen Containing Patents (Class 568/416)
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Publication number: 20140130713Abstract: Partially fluorinated ketones are provided that include a terminal alkyl group having from 1 to 6 carbon atoms bonded to a carbonyl group and a hydrofluoroether moiety having from 2 to 4 carbon atoms that contains at least one hydrogen substituent. The hydrofluoroether moiety is bonded to the carbonyl group with a carbon-carbon bond. The ether oxygen is bonded to a carbon atom that is at least two carbon atoms removed from the carbonyl group. Additionally, a fluorinated alkyl group having from 1 to 10 carbon atoms is bonded to the ether oxygen of the hydrofluoroether moiety. These partially fluorinated ketones can be used in a wide variety of electronics applications.Type: ApplicationFiled: May 22, 2012Publication date: May 15, 2014Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Michael G. Costello, Michael J. Bulinski, Richard M. Flynn
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Patent number: 8193393Abstract: Fluoroether diketones are provided that can be useful in apparatuses that includes a device and a mechanism for transferring heat. The provided fluoroether diketones are stable at temperatures above 175° C., are environmentally friendly, and are economical to produce. The provided apparatuses can be useful for vapor phase soldering of electronic devices.Type: GrantFiled: March 26, 2010Date of Patent: June 5, 2012Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Michael G. Costello, Michael J. Bulinski, Daniel R. Vitcak, Phillip E. Tuma
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Publication number: 20120083580Abstract: A fluorinated ester monomer is provided having formula (1) wherein R1 is H, CH3 or CF3, R2 and R3 are H or a monovalent hydrocarbon group, or R2 and R3 forms a hydrocarbon ring, R4 is a monovalent hydrocarbon group, and k is 0 or 1. A polymer obtained from the monomer has transparency to radiation with a wavelength of up to 200 nm and appropriate alkaline hydrolysis, is constructed such that any of water repellency, water slip and surface segregation may be adjusted by a choice of its structure, and is useful in forming ArF immersion lithography materials.Type: ApplicationFiled: September 22, 2011Publication date: April 5, 2012Inventors: Takeshi KINSHO, Yuuki Suka, Yuji Harada, Koji Hasegawa, Takeshi Sasami
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Patent number: 8071816Abstract: The present disclosure provides a compound according to the formula: Rf1[CH(—O—CH(3-m)Rf2m)(—O—CF2—CFH—Rf3)]n ??[I] wherein n is 1 or 2, wherein m is 1, 2 or 3, wherein, when n is 1, Rf1 is selected from the group consisting of highly fluorinated alkyl groups which are linear, branched, cyclic, or a combination thereof, which may optionally be substituted, and which may optionally contain one or more catenated heteroatoms; wherein, when n is 2, Rf1 is selected from the group consisting of highly fluorinated alkylene groups which are linear, branched, cyclic, or a combination thereof, which may optionally be substituted, and which may optionally contain one or more catenated heteroatoms; wherein each Rf2 is independently selected from the group consisting of alkyl groups which are linear, branched, cyclic, or a combination thereof, which may optionally be substituted, and which may optionally contain one or more catenated heteroatoms; wherein at least one Rf2 is highly fluorinated; wherein each Rf3 is indepeType: GrantFiled: June 30, 2008Date of Patent: December 6, 2011Assignee: 3M Innovative Properties CompanyInventors: Richard M. Flynn, Michael G. Costello
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Patent number: 7385089Abstract: A fluorochemical ketone compound consists of two terminal, branched, independently fluoroalkylcarbonyl or perfluoroalkylcarbonyl groups and an intervening linear perfluoropolyether segment, each of the terminal groups optionally comprising at least one catenated heteroatom, and the perfluoropolyether segment consisting essentially of at least one tetrafluoroethyleneoxy moiety and, optionally, at least one difluoromethyleneoxy moiety, the moieties being randomly or non-randomly distributed within the perfluoropolyether segment.Type: GrantFiled: December 6, 2006Date of Patent: June 10, 2008Assignee: 3M Innovative Properties CompanyInventors: Michael G. Costello, Richard M. Flynn, Jay F. Schulz, George G. I. Moore
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Patent number: 7343981Abstract: The present invention relates to methods of using at least one fluoroketone selected from monobromoperfluoroketones, monohydromonobromoperfluoroketones, (perfluoroalkoxy)monobromoperfluoroketones, (fluoroalkoxy)monobromoperfluoroketones, and monochloromonobromoperfluoroketones for i) extinguishing fire by applying to the fire such a fluoroketone, ii) preventing fire in an air-containing enclosed area containing combustible materials by introducing into the area such a fluoroketone and maintaining the fluoroketone in an amount sufficient to suppress combustion of combustible materials in the enclosed area, and iii) reducing or eliminating the flammability of a flammable working fluid, by mixing between about 0.1 to about 99 percent by weight of such a fluoroketone with the flammable working fluid.Type: GrantFiled: June 18, 2004Date of Patent: March 18, 2008Assignee: E.I. du Pont de Nemours and CompanyInventors: Mario J. Nappa, Velliyur Nott Mallikarjuna Rao, Allen C. Sievert
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Patent number: 7122704Abstract: The present invention relates to new fluoroketone compounds from the groups monobromoperfluoroketones, monohydromonobromoperfluoroketones, (perfluoroalkoxy)monobromoperfluoroketones, (fluoroalkoxy)monobromoperfluoroketones, and monochloromonobromoperfluoroketones. These fluoroketone compounds have utility in preventing, controlling and extinguishing fire. These fluoroketone compounds have further utility as additives to reduce or eliminate the flammability of normally flammable working fluids such as refrigerants, foam blowing agents, solvents, aerosol propellants, and sterilants.Type: GrantFiled: June 18, 2004Date of Patent: October 17, 2006Assignee: E.I. du Pont de Nemours and CompanyInventors: Mario J. Nappa, Velliyur Nott Mallikarjuna Rao, Allen C. Sievert
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Publication number: 20040214881Abstract: The present invention provides a method capable of simply producing optically active halopropanediol derivatives useful as pharmaceutical intermediates from inexpensive raw materials.Type: ApplicationFiled: February 20, 2004Publication date: October 28, 2004Inventors: Naoaki Taoka, Tozo Nishiyama, Noriyuki Kizaki, Yoshihiko Yasohara
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Patent number: 6384286Abstract: The invention relates to a process for purifying a crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate containing an impurity. The process includes bringing the crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate into contact with a poor solvent in which 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate is substantially insoluble, thereby removing the impurity from the crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate. Alternatively, the process includes precipitating crystals of 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate from a solution of the crude 1,1,1,5,5,5-hexafluoroacetylacetone dihydrate. Thus, it is possible to produce 1,1,1,5,5,5- hexafluoroacetylacetone dihydrate of high purity. This product makes it easy to produce 1,1,1,5,5,5-hexafluoroacetylacetone of high purity.Type: GrantFiled: June 14, 2001Date of Patent: May 7, 2002Assignee: Central Glass Company, LimitedInventors: Takeo Komata, Nariaki Ii
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Patent number: 5414119Abstract: Hexafluoropropylene oxide (HFPO) compounds, including polymers, expressed by the general chemical formula (1) below: ##STR1## wherein R.sup.1 is a single bond, an alkylene group of 1 to 10 carbon atoms, or said alkylene group in which a part of, or all of, the hydrogen atoms are substituted by fluorine atoms, Rf is a fluorine atom, a perfluoroalkyl group of 1 to 10 carbon atoms, or a perfluoroalkyl ether group, and n is 0 or an integer of at least 1. A manufacturing method for the HFPO compounds which is characterized by the reaction between hexafluoropropylene oxide and a vinyl group containing compound, expressed by the general chemical formula (2) below: ##STR2## wherein R.sup.1 and Rf are same as above. The compounds have utility as important intermediate raw materials for the production of novel functional silicone compounds having HFPO polymer units.Type: GrantFiled: March 1, 1994Date of Patent: May 9, 1995Assignee: Shin Etsu Chemical Co., Ltd.Inventors: Yasuo Tarumi, Noriyuki Koike, Toshio Takago
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Patent number: 5143589Abstract: Perfluoropolyethers having an acid end group of the type of acyl fluoride (or chloride) or a carboxylic group or derivatives thereof, the other end group being a perfluoroalkyl containing one or two halogen atoms different from fluorine, are prepared by photooxidation of C.sub.3 F.sub.6 and/or C.sub.2 F.sub.4, in the presence of a fully halogenated ethylene containing 1 to 4, preferably 1 or 2 atoms of halogen different from fluorine, and by the subsequent thermal of photochemical decomposition treatment of the peroxide groups which are present in the photooxidation product.Type: GrantFiled: January 29, 1991Date of Patent: September 1, 1992Assignee: Ausimont S.r.L.Inventors: Giuseppe Marchionni, Anna Staccione
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Patent number: 5087726Abstract: This invention relates to novel compounds which are ACAT inhibitors rendering them useful in lowering blood cholesterol levels. The compounds are carbamates represented by the general formula ##STR1## wherein Ar and Ar' represent phenyl or naphthyl each of which may be substituted; m and n each represent zero or one; Z and Y are hydrogen, aliphatic hydrocarbon, heterocyclic, aryl or carbocyclic containing groups.Type: GrantFiled: February 13, 1990Date of Patent: February 11, 1992Assignee: Warner-Lambert CompanyInventors: Patrick M. O'Brien, Drago R. Sliskovic
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Patent number: 5017718Abstract: A process for preparing a perfluoroalkyl-substituted compound is disclosed. The process comprises reacting a halopolyfluoroalkane having 1 to 20 carbon atoms with a compound selected from the group consisting of (1) a substituted or unsubstituted ethylene, (2) a substituted or unsubstituted acetylene and (3) a substituted or unsubstituted allylsilane, in the presence of a metal-carbonyl complex of the metal of the Group VIII of the Periodic Table. Alternatively, the reaction between the halopolyfluoroalkane and the substituted or unsubstituted allylsilane is effected under radical generating condition.Type: GrantFiled: January 26, 1984Date of Patent: May 21, 1991Assignee: Sagami Chemical Research CenterInventors: Iwao Ojima, Takamasa Fuchikami
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Patent number: 5000830Abstract: Improved process for producing perfluoropolyethers prevailingly constituted by repeating units--CF.sub.2 CF.sub.2 O--and ##STR1## with perfluoroalkyl terminal groups, wiith a mutual ratio of the above C.sub.3 /C.sub.2 units comprised within the range of from 0.2 to 6, endowed with an optimum combination of chemical-physical properties, prepared by means of a process of photo-oxidation of C.sub.3 F.sub.6 +C.sub.2 F.sub.4, under controlled conditions.Type: GrantFiled: May 17, 1989Date of Patent: March 19, 1991Assignee: Ausimont S.r.l.Inventors: Giuseppe Marchionni, Ugo De Patto
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Patent number: 4929760Abstract: Fluorine-containing carbonyl compounds of the formula ##STR1## and its optically active isomers, which are useful for liquid crystal, bioactive substances, medicines, agricultural medicines such as fungicides, herbicides and hormones, organic functional materials and LB membranes, prepared by the reaction with trifluoro acetoaldehyde and RCOCH.sub.3, wherein R is a substituted or not-substituted lower alkyl group, preferably a lower alkyl having not more than 10 carbon atoms, a substituted or not-substituted aromatic group or a substituted or not-substituted arylalkyl group.Type: GrantFiled: July 19, 1988Date of Patent: May 29, 1990Assignee: Showa Shell Sekiyu Kabushiki KaishaInventors: Tomoya Kitazume, Takashi Yamazaki, Seiten Rin
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Patent number: 4874886Abstract: This invention relates to novel fluorinated bis(salicylates). The novel fluorinated bis(salicylates) of this invention are useful as monomers in the synthesis of polymers and copolymers themselves useful as gas separation membrane materials.Type: GrantFiled: November 7, 1988Date of Patent: October 17, 1989Assignee: The Dow Chemical CompanyInventor: Charles B. Grant
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Patent number: 4855460Abstract: A process for the preparation of perfluoroalkylated ketones and/or perfluoroalkylated alcohols, comprising the step of contacting a perfluoroalkyl iodide or perfluoroalkyl bromide with an acid anhydride, in the presence of a metal chosen from zinc and cadmium.Type: GrantFiled: July 11, 1988Date of Patent: August 8, 1989Assignee: Rhone-Poulenc ChimieInventors: Marc Tordeux, Claude Wakselman, Catherine Francese
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Patent number: 4647413Abstract: Perfluoropolyether oligomers or block polymers, having a backbone with one or a plurality of perfluoropolyether segments each consisting essentially of (1) at least one perfluoroisopropyleneoxy unit, (2) a bis(perfluoromethyleneoxy-terminated) unit, and (3) a perfluoroethylidene unit terminating each segment, the backbone of the perfluoropolyether being terminated with COF and/or a functional or nonfunctional derivative thereof, said perfluoropolyethers being made by reacting a perfluoroaliphatic diacid fluoride with hexafluoropropylene epoxide to produce an acid fluoride-terminated perfluoropolyether adduct or oligomer which then can be photopolymerized to yield an acid fluoride-terminated perfluoropolyether block polymer. These oligomers and block polymers are useful as high temperature lubricants, hydraulic fluids, gaskets, adhesives and coatings as well as co-reactants wtih urethane in forming propellant binders.Type: GrantFiled: January 20, 1984Date of Patent: March 3, 1987Assignee: Minnesota Mining and Manufacturing CompanyInventor: Patricia M. Savu
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Patent number: 4468527Abstract: A fluoroaliphatic radical- and aliphatic chlorine-containing alcohol containing more than 25 weight percent carbon-bonded fluorine in the form of fluoroaliphatic radicals and at least one aliphatic chlorine, an ester of said alcohol and a carboxycylic acid being useful in the treatment of carpet.Type: GrantFiled: March 15, 1982Date of Patent: August 28, 1984Assignee: Minnesota Mining and Manufacturing CompanyInventor: Kalyanji U. Patel
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Patent number: 4420638Abstract: Chlorodifluorovinyloxyperfluoroalkyleneoxyalkyl trifluoromethyl ketones and acyl fluorides; chlorodifluorovinyloxyperfluoroalkyleneoxyethylenes; substituted fluoroalkoxyperfluoroalkyleneoxyalkyl trifluoromethyl ketones and acyl fluorides; substituted fluoroalkoxyperfluoroalkyleneoxyethylenes; processes for their preparation and for the preparation of perfluorovinyloxyalkyleneoxyalkyl bromides; and copolymers of derivatives of the aforesaid vinyl compounds.Type: GrantFiled: March 2, 1982Date of Patent: December 13, 1983Assignee: E. I. Du Pont de Nemours and CompanyInventor: Ronald E. Uschold
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Patent number: 4371708Abstract: 4-substituted 3,3-dimethyl-butan-2-ones of the formula ##STR1## in which R represents cyano or the grouping --X--R.sup.1,whereinR.sup.1 represents n-alkyl with 1 to 4 carbon atoms, isopropyl, isobutyl, sec.-butyl, alkenyl with 3 to 4 carbon atoms, alkynyl with 3 to 4 carbon atoms, optionally substituted aryl or substituted aralkyl, or represents cyano provided that X represents --O-- or --S--, andX represents --O--, --S--, --SO--, or --SO.sub.2 --,which are intermediates for the synthesis of fungicides.Type: GrantFiled: May 20, 1981Date of Patent: February 1, 1983Assignee: Bayer AktiengesellschaftInventors: Wolfgang Kramer, Hans-Ludwig Elbe
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Patent number: 4202822Abstract: Derivatives, analogs, and congeners of prostane having a 1-(hydroxymethyl)-1-oxo-prostane structure in the F.sub.1 series.Type: GrantFiled: December 8, 1977Date of Patent: May 13, 1980Assignee: American Cyanamid CompanyInventor: Allan Wissner