Patents by Inventor Kazimiera J. L. Paciorek
Kazimiera J. L. Paciorek 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).
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Patent number: 5779774Abstract: Mixtures of alkylaromatic secondary phosphate and tertiary phosphate esters prepared by reaction of phosphonyl chloride and primary phosphonyl chlorides with alkylaromatic phenols are disclosed as rust inhibiting additives for hydrocarbon based fluids.Type: GrantFiled: March 17, 1997Date of Patent: July 14, 1998Inventors: Kazimiera J. L. Paciorek, Steven R. Masuda
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Patent number: 5550277Abstract: Perfluoroalkyl and perfluoroalkylether substituted aromatic phosphates, phosphonates and related compositions prepared by reaction of pefluoroalkyl or pefluoroakylether substituted phenols with mono- and dihalophosphite and primary and secondary phosphonyl halides are disclosed. These materials are useful as antioxidant, anticorrosion, antirust, and lubricity enhancing agents for perfluoropolyalkylether fluids.Type: GrantFiled: January 19, 1995Date of Patent: August 27, 1996Inventors: Kazimiera J. L. Paciorek, Wen-Huey Lin, Steven R. Masuda, James H. Nakahara
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Patent number: 5326910Abstract: Hydrolytically and thermooxidatively stable monophospha-s-triazines prepared by reaction of octafluoroisobutylene epoxide with an acid fluoride followed by transformation of the resultant product into an amide, then into a nitrile, reacting the nitrile with ammonia and reacting the imidoylamidine resulting from the previous steps with di-aryltrihalophosphorane to produce mono-phospha-s-triazines that are useful as antioxidant - anticorrosion agents for perfluoroalkylether fluids are disclosed.Type: GrantFiled: March 1, 1993Date of Patent: July 5, 1994Assignee: Lubricating Specialties Co.Inventors: Kazimiera J. L. Paciorek, Steven R. Masuda, Wen-Huey Lin
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Patent number: 5026893Abstract: Polysilahydrocarbons, such as tetrasilanes, are prepared by reaction of alkenyl organometallic compounds with alkyltrihalosilanes, followed by further reaction of the alkyltrialkenylsilane intermediates with trihalosilane and the subsequent substitution of the halogen atoms in the second intermediate by alkyl groups.Type: GrantFiled: June 11, 1990Date of Patent: June 25, 1991Assignee: Lubricating Specialties CompanyInventors: Kazimiera J. L. Paciorek, Joseph G. Shih, Bruce B. Randolph, Carl E. Snyder, Jr.
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Patent number: 4946809Abstract: A soluble, processible ceramic precursor, comprising A1N and BN in fixed proportion, which on pyrolysis is transformed into pure carbon free A1NBN ceramic, of the formula:R.sub.3 N.X.sub.2 A1n(SiR'.sub.3)B(NH.sub.2)NHSiR'.sub.3wherein R and R' are independently lower alkyl groups or isomers thereof having from one to about five carbon atoms.Also disclosed are methods for making the precursor, and methods for thermally decomposing the precursor to form coatings, thin films, and shaped articles of substantially pure A1NBN ceramic.Type: GrantFiled: May 26, 1989Date of Patent: August 7, 1990Assignee: Ultraystems Defense and Space, Inc.Inventors: Kazimiera J. L. Paciorek, James H. Nakahara
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Patent number: 4906763Abstract: A preceramic substituted borazine polymer of the formula: ##STR1## wherein R is methyl, ethyl, propyl, or butyl, and x is a positive integer. Also disclosed are methods for making the polymer, methods for converting the polymer into coatings, shaped articles, articles including fibers and filaments formed from the polymer, blends of the foregoing polymer and preceramic triamino-N-tris (trialkylsilyl) borazines, and methods for thermally decomposing the foregoing polymers to form shaped articles of boron nitride.Type: GrantFiled: November 13, 1987Date of Patent: March 6, 1990Inventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Wilfried Krone-Schmidt
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Patent number: 4788312Abstract: Trisilahydrocarbon synthetic lubricant base stocks are prepared by the reaction of dienes containing four to sixteen carbon atoms with dihalosilanes, followed by further reaction of the bis(alkenyl)dihalosilane intermediates with trihalosilanes or trialkylsilanes, followed by substitution of the halogen atoms in the second intermediates by organometallic compounds or by hydridometallic compounds plus olefins.Type: GrantFiled: March 16, 1988Date of Patent: November 29, 1988Assignee: Technolube Division Lubricating Specialties Co.Inventors: Kazimiera J. L. Paciorek, Robert E. Pratt, Joseph G. Shih
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Patent number: 4707556Abstract: Silyl containing cyclic borazines are prepared by reacting chloroborazine with disilazanes.Type: GrantFiled: February 13, 1987Date of Patent: November 17, 1987Assignee: Ultrasystems Defense and Space, Inc.Inventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Wilfried Krone-Schmidt
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Patent number: 4581468Abstract: B-triamino-N-tris(trialkylsilyl)borazines, their condensation products, and the transformation of these into preceramic polymers amenable to fiber drawing and ultimately boron nitride fiber formation.Type: GrantFiled: May 13, 1985Date of Patent: April 8, 1986Assignee: Ultrasystems, Inc.Inventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Mark E. Smythe, Patrick F. Kimble
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Patent number: 4559175Abstract: This invention concerns itself with a novel class of dihalodiphospha-s-triazines as exemplified by the compound 1,3-bis[phenylchloro-phospha]-5-perfluoro-n-heptyl-2,4,6-triazines as well as their thio and azido substituted derivatives.Type: GrantFiled: April 19, 1984Date of Patent: December 17, 1985Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Mark E. Smythe, James H. Nakahara
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Patent number: 4557869Abstract: This invention concerns itself with a class of novel dihalo-substituted monophospha-s-triazines as exemplified by the compounds 1-dichlorophospha-3,5-bis(perfluoro-n-heptyl)-2,4,6-triazine and 1-dichlorophospha-3,5-bis[C.sub.3 F.sub.7 OCF(CF.sub.3)CF.sub.2 OCF(CF.sub.3)]-2,4,6-triazine, as well as their thio and azido derivatives.Type: GrantFiled: April 19, 1984Date of Patent: December 10, 1985Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, David H. Harris, Mark E. Smythe, James H. Nakahara
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Patent number: 4316035Abstract: Fluorinated alkyl or alkylether 1,2,4-oxadiazole compounds are prepared by cyclizing the corresponding alkyl or alkylether imidoylamidoximes in vacuo or in an inert atmosphere at a temperature within the range of 40.degree. to 100.degree. C. for a period of 8 to 144 hours in the presence of an acid compound which can accept ammonia to form a salt. The imidoylamidoximes usable in this process may be either polymeric or nonpolymeric. The products, when polymeric, have excellent heat, chemical and solvent resistance.Type: GrantFiled: June 27, 1980Date of Patent: February 16, 1982Inventors: Robert A. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Frosch, Reinhold H. Kratzer, Kazimiera J. L. Paciorek, Thomas I. Ito, Robert W. Rosser
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Patent number: 4297510Abstract: A method for preparing unsymmetrical diphosphatetraazacyclooctatetraenes and the novel products produced thereby. The synthesis involves an interaction between an imido-tetraaryl-diphosphinic acid trihalide and a perfluorinated imidoylamidine in the presence of an acid acceptor.Type: GrantFiled: June 26, 1980Date of Patent: October 27, 1981Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, Thomas I. Ito, James H. Nakahara
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Patent number: 4281185Abstract: A method for synthesizing symmetrical diphosphatetraazacyclooctatetraenes and the products produced thereby. The synthesis involves effecting a reaction between a diaryltrihalophosphorane of a perfluoroalkyl amidine in the presence of an acid acceptor.Type: GrantFiled: June 26, 1980Date of Patent: July 28, 1981Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, Thomas I. Ito, James H. Nakahara
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Patent number: 4215072Abstract: Diphospha-s-triazines wherein the two phosphorus atoms are substituted by aromatic groups and the carbon atom is substituted by either a perfluoroalkyl or a perfluoroalkylether moiety. The triazines exhibit a broad range of properties and are useful as antioxidant-anticorrosion agents, lubricants, and hydraulic fluids.Type: GrantFiled: February 7, 1979Date of Patent: July 29, 1980Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, Jacquelyn Kaufman, Thomas I. Ito, James H. Nakahara
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Patent number: 4200721Abstract: Homopolymers, copolymers and terpolymers of a styrene based monomer are prepared by:(1) polymerizing at least one oxidized styrylphosphine monomer selected from the group of:(C.sub.6 H.sub.5).sub.2 P(O)N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2,(C.sub.6 H.sub.5 O).sub.2 P(O)N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2,(C.sub.6 H.sub.5).sub.2 C.sub.3 N.sub.3 N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2 and(C.sub.6 H.sub.5)C.sub.3 N.sub.3 [N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2 ].sub.2 ; or(2) polymerizing p-diphenylphosphinestyrene and then oxidizing said polymerized p-diphenylphosphinestyrene monomer with an organoazide selected from the group of (C.sub.6 H.sub.5).sub.2 P(O)N.sub.3,(C.sub.6 H.sub.5 O).sub.2 P(O)N.sub.3,(C.sub.6 H.sub.5).sub.2 C.sub.3 N.sub.3 (N.sub.3) and C.sub.6 H.sub.5 C.sub.3 N.sub.3 (N.sub.3).sub.2.Type: GrantFiled: May 19, 1978Date of Patent: April 29, 1980Inventors: James C. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Fletcher, Kazimiera J. L. Paciorek
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Patent number: 4194983Abstract: A lubricant composition comprising a perfluorinated polyalkylether base fluid and a minor amount of a diphospha-s-triazine in which the two phosphorus atoms are substituted by aromatic groups and the carbon atom is substituted by a perfluoroalkyl or perfluoroalkylether moiety.Type: GrantFiled: February 6, 1979Date of Patent: March 25, 1980Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, Jacquelyn Kaufman, Thomas I. Ito, James H. Nakahara
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Patent number: 4168287Abstract: Homopolymers, copolymers and terpolymers of a styrene based monomer are prepared by:(1) polymerizing at least one oxidized styrylphosphine monomer selected from the group of:(C.sub.6 H.sub.5).sub.2 P(O)N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2,(c.sub.6 h.sub.5 o).sub.2 p(o)n.dbd.p(c.sub.6 h.sub.5).sub.2 c.sub.6 h.sub.4 ch.dbd.ch.sub.2,(c.sub.6 h.sub.5).sub.2 c.sub.3 n.sub.3 n.dbd.p(c.sub.6 h.sub.5).sub.2 c.sub.6 h.sub.4 ch.dbd.ch.sub.2 and(C.sub.6 H.sub.5)C.sub.3 N.sub.3 [N.dbd.P(C.sub.6 H.sub.5).sub.2 C.sub.6 H.sub.4 CH.dbd.CH.sub.2 ].sub.2 ; or(2) polymerizing p-diphenylphosphinestyrene and then oxidizing said polymerized p-diphenylphosphinestyrene monomer with an organoazide selected from the group of (C.sub.6 H.sub.5).sub.2 P(O)N.sub.3, (C.sub.6 H.sub.5 O).sub.2 P(O)N.sub.3, (C.sub.6 H.sub.5).sub.2 C.sub.3 N.sub.3 (N.sub.3) and C.sub.6 H.sub.5 C.sub.3 N.sub.3 (N.sub.3).sub.2.Type: GrantFiled: May 19, 1978Date of Patent: September 18, 1979Inventors: James C. Administrator of the National Aeronautics and Space Administration, with respect to an invention of Fletcher, Kazimiera J. L. Paciorek
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Patent number: 4024067Abstract: Bis-benzoins of the formula ##STR1## wherein R is meta-phenylene or para-phenylene are prepared by first conting aldehydes of the formula ##STR2## with sodium bisulfite to form bisulfite addition products of the formula ##STR3## THEN CONTACTING THE BISULFITE ADDITION PRODUCTS WITH EITHER POTASSIUM CYANIDE OR SODIUM CYANIDE TO FORM CYANOHYDRINS OF THE FORMULA ##STR4## and finally contacting the cyanohydrins with benzaldehyde to form the bis-benzoins. The bis-benzoins can be oxidized to form the corresponding bis-benzils which are useful as starting materials for producing phenylated polyquinoxalines which in turn are useful as coatings for fibers, graphite precursors, films and laminating materials.Type: GrantFiled: January 7, 1976Date of Patent: May 17, 1977Assignee: The United States of America as represented by the Secretary of the NavyInventors: Kazimiera J. L. Paciorek, Reinhold H. Kratzer, Dennis W. Karle
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Patent number: H1668Abstract: Perfluoroalkylether-linked quinoxalines having repeating units of the formula: ##STR1## wherein R.sub.f is selected from the group consisting of --OCF.sub.2 CF.sub.2 --, --OCF.sub.2 CF.sub.2 CF.sub.2 --, --OCF.sub.2 CF.sub.2 CF.sub.2 CF.sub.2 --, --OCF.sub.2 CF(CF.sub.3)-- and --OCF.sub.2 CF.sub.2 OCF.sub.2 CF(CF.sub.3)--; wherein n has a value of 2 to 4, and m has a value of 1 to 20; and wherein R is a single bond, --O--, --S--, --C.sub.6 H.sub.4 --O--C.sub.6 H.sub.4 --, or --SO.sub.2 --, are prepared by the steps of(a) preparing a perfluoroalkylether diiodide of the formula I(CF.sub.2).sub.n (R.sub.f).sub.m (CF.sub.2).sub.n l;(b) reacting the perfluoroalkylether diiodide with 4-iodobenzil to produce the tetraketone C.sub.6 H.sub.5 C(O)C(O)C.sub.6 H.sub.4 (CF.sub.2).sub.n (R.sub.f).sub.m (CF.sub.2).sub.n C.sub.6 H.sub.4 C(O)C(O)C.sub.6 H.sub.5 ; and(c) reacting the resulting tetraketone with a tetraamine of the formula ##STR2## wherein R is a single bond, --O--, --S--, --C.sub.6 H.sub.4 O--C.sub.6 H.sub.Type: GrantFiled: January 16, 1996Date of Patent: July 1, 1997Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Kazimiera J. L. Paciorek, Steven R. Masuda, Wen-Huey Lin, William M. Warner