Phosphorus, And Two Chalcogens Bonded Directly Thereto, In The Same Ring (e.g., Cyclic Phosphonates, Etc.) Patents (Class 558/77)
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Patent number: 11299621Abstract: Embodiments herein relate to a polymer film comprising an anti-blushing composition in a blend comprising polyethylene terephthalate (PET) and polybutylene terephthalate (PBT); wherein the blend contains at least 50 wt. % of PBT; wherein the anti-blushing composition comprises a phosphorus containing compound but excludes certain phosphorus compounds; and wherein the anti-blushing composition is configured to prevent blushing in the polymer film laminated directly to a metal substrate sheet and exposed to steam at a temperature of 260° F. for 90 minutes.Type: GrantFiled: December 18, 2018Date of Patent: April 12, 2022Assignee: Toray Plastics (America), Inc.Inventors: Jan Moritz, Robert Ervolino
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Patent number: 10138355Abstract: A flame retardant resin composition containing 1 to 100 parts by weight of (B) an organophosphorus compound (component B) represented by the following formula (1) per 100 parts by weight of (A) a resin component (component A) containing at least 60 wt % of an acrylic resin has high flame retardancy, high transparency and satisfactory physical properties: wherein X1 and X2 are the same or different, and represent alkyl groups substituted with aromatic groups represented by the following formula (2): ALAr)n??(2) wherein AL represents a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, Ar represents a phenyl group, a naphthyl group, or an anthryl group each optionally substituted, n represents an integer of 1 to 3, and Ar can be bonded to any carbon atom in AL.Type: GrantFiled: January 19, 2016Date of Patent: November 27, 2018Assignee: TEIJIN LIMITEDInventors: Katsuhiro Yamanaka, Tsuyoshi Takeda, Kenta Imazato
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Patent number: 9127156Abstract: In one embodiment, A flame-retardant thermoplastic starch material, including (A1) 100 parts by weight of starch; (A2) 5 to 75 parts by weight of plasticizer; and (A3) 5 to 30 parts by weight of organic phosphonate flame-retardant, wherein the organic phosphonate flame-retardant has the following formula (I): wherein X is a trivalent aliphatic hydrocarbon radical containing 3 to 12 carbon atoms; R1 and R2 are independently C1 to C8 alkyl; and n is 0 or 1.Type: GrantFiled: December 7, 2012Date of Patent: September 8, 2015Assignee: Industrial Technology Research InstituteInventors: Sheng-Ju Liao, Chih-Jen Chang, Yao-Chu Chung, Fu-Ming Chien, Chien-Ming Chen
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Publication number: 20150132607Abstract: Flame retardant synthetic leather having high flame retardancy and excellent physical properties (light resistance, heat resistance and feeling). The flame retardant synthetic leather contains an organic phosphorus compound (component A) represented by the following formula (1). (In the formula, X1 and X2 are the same or different and each an aromatic substituted alkyl group represented by the following formula (2).) —(AL)—(Ar)n ??(2) (In the formula, AL is a branched or linear aliphatic hydrocarbon group having 1 to 5 carbon atoms, and Ar is a phenyl group, riaphthyl group or anthryl group, all of which may have a substituent. “n” is an integer of 1 to 3, and Ar may be bonded to any carbon atom contained in AL.Type: ApplicationFiled: June 7, 2013Publication date: May 14, 2015Applicants: TEIJIN LIMITED, MARUBISHI OIL CHEMICAL CO., LTD.Inventors: Katsuhiro Yamanaka, Tsuyoshi Takeda, Kuniaki Kondo, Masaki Haruyoshi
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Publication number: 20150073169Abstract: A process for reducing the level of contaminant metals in ligands used in the preparation of catalysts is disclosed.Type: ApplicationFiled: September 7, 2012Publication date: March 12, 2015Applicant: Dow Technology Investments LLCInventor: Glenn A. Miller
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Publication number: 20140350268Abstract: The invention relates to chiral imidodiphosphates and derivatives thereof having the general formula I, The compounds are suitable as chiral Brønsted acid catalysts, phase-transfer catalysts, chiral anions for organic salts, metal salts or metal complexes for catalysis.Type: ApplicationFiled: January 8, 2013Publication date: November 27, 2014Applicant: STUDIENGESELLSCHAFT KOHLE MBHInventors: Benjamin List, Ilija Coric, Sreekumar Vellalath
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Publication number: 20140221316Abstract: This disclosure relates to novel compounds containing an H2S releasing moiety and a nitric oxide (NO) releasing moiety covalently linked with a core (e.g., a salicylic acid moiety) and the use of such compounds in treating inflammatory diseases, including cancers. Therapeutic potency of these compounds is significantly higher than NSAIDs containing a H2S-releasing moiety alone (HS-NSAIDs) and NSAID containing a NO-releasing moiety alone (NO-NSAIDs). The compounds, in addition, exhibit reduced side effect, e.g., reduced stomach ulcers, upon administration.Type: ApplicationFiled: August 15, 2012Publication date: August 7, 2014Applicant: RESEARCH FOUNDATION OF THE CITY UNIVERSITY OF NEW YORKInventors: Khosrow Kashfi, Ravinder Kodela
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Patent number: 8796389Abstract: The present invention relates to a method for thermal crosslinking of adhesives and also to products produced with these adhesives. An object of the invention is to provide a method for thermal crosslinking of adhesives where the crosslinking is covalent and (initiated by a chemical or physical stimulus) reversible. As and when required, the crosslinking method can also be configured to result in a covalent, irreversible network.Type: GrantFiled: June 15, 2012Date of Patent: August 5, 2014Assignee: TESA SEInventors: Alexander Prenzel, Sarah Bamberg
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Publication number: 20130317246Abstract: The invention relates to a process for the purification of 6,6?-[(3,3?-di-tert-butyl-5,5?-dimethoxy-1,1?-biphenyl-2,2?diyl)bis(oxy)]bis(dibenzo[d,f][1,3,2]dioxaphosphepin), abbreviation: biphephos (see formula 1).Type: ApplicationFiled: December 22, 2011Publication date: November 28, 2013Applicant: Evonik Oxeno GmbHInventors: Burkard Kreidler, Dirk Fridag, Bernhard Schemmer, Bjoern Wechsler, Andrea Christiansen, Doris Neumann
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Patent number: 8278375Abstract: Mixtures of three types of linear, branched or cyclic phosphates are useful flame retardants, especially for thermoplastic resins or as functional additives in polymer matrices.Type: GrantFiled: July 5, 2006Date of Patent: October 2, 2012Assignee: Rhodia UK LimitedInventors: Vincent Schanen, Dwight Shamblee, Gleb Priimov, Julie Ann Salter
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Patent number: 8222329Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrene resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.Type: GrantFiled: February 5, 2010Date of Patent: July 17, 2012Assignee: Cheil Industries Inc.Inventors: Beom Jun Joo, Sang Hyen Hong, Min Soo Lee, Byun Kun Lee
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Publication number: 20110136993Abstract: Phosphorus-containing compounds of formula (I): (I) wherein m, n, R, R1 and R2 are as set forth in the claims. The compounds of formula (I) can be used to provide polymers with flame retardant properties.Type: ApplicationFiled: August 26, 2009Publication date: June 9, 2011Applicant: Dow Global Technologies LLCInventors: Anteneh Z Worku, Ashwin R. Bharadwaj, Raymond J. Thibault, Mark B. Wilson, Douglas L. Potts
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Patent number: 7919481Abstract: The present invention comprises compounds, compositions thereof, and methods capable of delivering modified inositol hexaphospahte (IHP) comprising an internal pyrophosphate ring to the cytoplasm of mammalian cells. In certain embodiments, the present invention relates to compounds, compositions thereof, and methods that enhance the ability of mammalian red blood cells to deliver oxygen, by delivering IHP to the cytoplasm of the red blood cells.Type: GrantFiled: December 23, 2009Date of Patent: April 5, 2011Assignee: NormOxys, Inc.Inventors: Yves Claude Nicolau, Jean-Marie Lehn, Konstantina Fylaktakidou, Ruth Greferath
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Patent number: 7648970Abstract: The present invention comprises compounds, compositions thereof, and methods capable of delivering modified inositol hexaphosphate (IHP) comprising an internal pyrophosphate ring to the cytoplasm of mammalian cells. In certain embodiments, the present invention relates to compounds, compositions thereof, and methods that enhance the ability of mammalian red blood cells to deliver oxygen, by delivering IHP to the cytoplasm of the red blood cells.Type: GrantFiled: November 16, 2006Date of Patent: January 19, 2010Assignee: Normoxys, Inc.Inventors: Yves Claude Nicolau, Jean-Marie Lehn, Konstantina Fylaktakidou, Ruth Greferath
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Patent number: 7618954Abstract: The present invention comprises compounds, compositions thereof, and methods capable of delivering modified inositol hexaphospahte (IHP) comprising an internal pyrophosphate ring to the cytoplasm of mammalian cells. In certain embodiments, the present invention relates to compounds, compositions thereof, and methods that enhance the ability of mammalian red blood cells to deliver oxygen, by delivering IHP to the cytoplasm of the red blood cells.Type: GrantFiled: January 9, 2006Date of Patent: November 17, 2009Assignees: NormOxys, Inc., Universite de StrasbourgInventors: Yves Claude Nicolau, Jean-Marie Lehn, Konstantina Fylaktakidou, Ruth Greferath
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Publication number: 20090163627Abstract: Disclosed herein is a symmetric cyclic phosphonate compound represented by the following Formula 1, a method of preparing the same and a flame retardant styrenic resin composition including the same: wherein R1 and R2 are each independently hydrogen, C1-C6 alkyl or C6-C20 aryl. The styrenic resin composition employing the symmetric cyclic phosphonate compound exhibits good flame retardancy and impact strength, does not release halide gas during preparation or combustion of the resin composition, and thus is environmentally friendly.Type: ApplicationFiled: December 16, 2008Publication date: June 25, 2009Applicant: CHEIL INDUSTRIES INC.Inventors: Beom Jun JOO, Sang Hyen HONG, Min Soo LEE, Byun Kun LEE
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Patent number: 7365113Abstract: Flavan-based and spirodichroman compound-based phosphate esters prepared by reacting flavans and spirodichroman compounds with phosphorus oxychloride, monophenyl dichlorophosphate, or diphenyl chlorophosphate compounds are described. The flavans and spirodichroman compounds can be synthesized by the reaction of resorcinol with aliphatic acetone. Such phosphate esters can be used as flame retardants.Type: GrantFiled: September 21, 2005Date of Patent: April 29, 2008Inventors: Raj B. Durairaj, Gary A. Jesionowski
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Patent number: 7294729Abstract: A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and R2 are bonded together to form a diradical; or one of R1 or R2 is hydrogen or a monovalent hydrocarbyl radical, while the other of R1 or R2 is a hydrocarbyl radical bonded to an atom in Ar; wherein Ar is selected from 1,2-arylenes; Q is selected from 1,2-arylenes, 2,2?-bisarylenes and alkyl diradicals; and W is selected from II, III, IV, or V: wherein M is as defined hereinbefore; each R is independently selected from hydrogen and monovalent hydrocarbyl radicals; X is selected from alkyl and aryl diradicals; Ar1 and Ar2 are each independently selected from 1,2-arylenes;Ar3 and Ar4 are each independently selected from monovalent aryl radicals; and n in formula IV is 0 or 1.Type: GrantFiled: September 26, 2003Date of Patent: November 13, 2007Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Wei-Jun Peng, Johnathan E Holladay
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Patent number: 7279515Abstract: Resorcinol carbonate-based phosphate esters are prepared by reacting resorcinol carbonates with phosphorous oxychloride or a chlorophosphate. The resorcinol carbonates can be synthesized by the reaction of resorcinol with phosgene or diphenyl carbonate. The resorcinol carbonate-based phosphate esters can be used as flame retardants and perhaps flowing agents.Type: GrantFiled: September 21, 2005Date of Patent: October 9, 2007Inventors: Raj B. Durairaj, Gary A. Jesionowski
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Patent number: 7196230Abstract: A novel organophosphorus composition and synthesis thereof, the composition being characterized by one phosphite moiety, one phosoxophite moiety, and a plurality of sterically bulky substituents. The novel composition finds utility as a ligand in Group VIII transition metal phosoxophite complex catalysts and complex catalyst precursors that are used in carbonylation processes, preferably, hydroformylation processes. Additionally, there is disclosed a novel method of preparing a phosphoromonochloridite composition that finds utility as a precursor to the novel phosoxophite composition.Type: GrantFiled: March 4, 2003Date of Patent: March 27, 2007Assignee: Union Carbide Chemicals & Plastics Technology CorporationInventors: Wei-Jun Peng, David Robert Bryant
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Patent number: 7161020Abstract: Phosphites of the formula I and phosphite-metal complexes, their preparation and their use in catalytic reactions, in particular in processes for the hydroformylation of olefins, are described.Type: GrantFiled: August 13, 2002Date of Patent: January 9, 2007Assignee: Oxeno Olefinchemie GmbHInventors: Detlef Selent, Armin Boerner, Cornelia Borgmann, Dieter Hess, Klaus-Diether Wiese
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Patent number: 7009068Abstract: Phosphites of the formula I or II and their metal complexes, their preparation and the use of the phosphites as ligands in catalytic reactions, in particular in processes for the hydroformylation of olefins, are described.Type: GrantFiled: August 7, 2002Date of Patent: March 7, 2006Assignee: Oxeno Olefinchemie GmbHInventors: Reinhard Schmutzler, Ion Neda, Christine Kunze, Armin Börner, Detlef Selent, Cornelia Borgmann, Dieter Hess, Klaus-Diether Wiese
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Patent number: 6617028Abstract: The present invention discloses a phosphorus- and nitrogen-containing resin hardener, which has a structure represented by the following formula: wherein R2 represents a hydrogen atom or a group represented by the following formula: wherein n is an integer of from 0 to 20, and R represents phenylene, naphthylene or a group represented by the following formula: wherein A represents —O—, —S—, —SO2—, —CO—, —CH2—, —C(CH3)2— or a group represented by the following formula: provided that at least one R2 is not a hydrogen atom; and R1 represents NHR2, C1-6alkyl or phenyl; in the above groups represented by R and A, the aromatic group can be substituted by one or more substituents selected from the group consisting of hydroxy, amino, carboxy and C1-6alkyl. The present invention also discloses a flame retarding composition containing said hardener.Type: GrantFiled: July 19, 2000Date of Patent: September 9, 2003Assignee: Chang Chun Plastics Co., Ltd.Inventors: Kuen Yuan Hwang, Hong Hsing Chen, An Pang Tu
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Patent number: 6570033Abstract: A bisphosphite of the formula I wherein R1, R2, R3 and R4 are each hydrogen, an aliphatic, alicyclic, aliphatic-alicyclic, aromatic, aromatic—aromatic, aliphatic-aromatic hydrocarbon or heterocyclic or aliphatic-heterocyclic group having from 1 to 50 carbon atoms, F, Cl, Br, I, —CF3, —OR7, —COR7, —CO2R7, —CO2M, —SR7, —SO2R7, —SOR7, —SO3R7, —SO3M, —CO2NR7R8, NR7R8, N═CR7R8, NH2, where R1 to R4 are identical or different and may be covalently linked to one another; R7 and R8 are each hydrogen, a substituted or unsubstituted, aliphatic or aromatic hydrocarbon radical having from 1 to 25 carbon atoms, and may be identical or different; M is an alkali metal, alkaline earth metal, ammonium or phosphonium ion; Q is a substituted or unsubstituted divalent aliphatic, alicyclic, aliphatic-alicyclic, aromatic, aliphatic-aromatic hydrocarbon, heterocyclic or aliphatic-heterocyclic radical having from 1 to 50 carbon atoms wheType: GrantFiled: October 29, 2001Date of Patent: May 27, 2003Assignee: Oxeno Olefinchemie GmbHInventors: Dirk Röttger, Dieter Hess, Klaus-Diether Wiese, Cornelia Borgmann, Armin Börner, Detlef Selent, Reinhard Schmutzler, Christine Kunze
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Publication number: 20020193620Abstract: A process to produce organic phosphites from the group consisting of: 1Type: ApplicationFiled: June 12, 2002Publication date: December 19, 2002Applicant: General Electric Co.Inventor: Gary Vincent Marlin
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Publication number: 20020161220Abstract: Disclosed are novel bicyclic tris(anhydride)s useful as intermediates in the synthesis of biologically active compounds, and the compounds which may be synthesized from such intermediates.Type: ApplicationFiled: November 13, 2001Publication date: October 31, 2002Inventors: Krzysztof W. Pankiewicz, Krystyna Lesiak, Kyoichi A. Watanabe
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Patent number: 6329547Abstract: The present invention provides compounds represented by the following general formula [I] and salts thereof, which are useful as therapeutic agents for glaucoma, wherein R1 is H, lower alkyl or phenyl, and the phenyl can be substituted by lower alkyl, hydroxy, lower alkoxy, halogen, nitro or phenyl; R2 and R3, being the same or different, are H, halogen or lower alkyl; R4 and R5, being the same or different, are H, lower alkyl or carboxyl or ester thereof; and R6 is carboxyl or phosphono or ester thereof.Type: GrantFiled: November 22, 2000Date of Patent: December 11, 2001Assignee: Santen Pharmaceutical Co., Ltd.Inventors: Eiichi Shirasawa, Koji Konomi, Masaki Ichikawa, Hiroshi Suhara
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Patent number: 5844028Abstract: Certain (1,3,2-dioxaphosphorinanemethan) amine compounds, which are useful as flame retardant compounds, are disclosed. The compounds are particularly useful in polyurethane compositions.Type: GrantFiled: October 30, 1997Date of Patent: December 1, 1998Assignee: Solutia Inc.Inventor: Frank E. Paulik
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Patent number: 5726165Abstract: A compound of formula (I): ##STR1## or a pharmaceutically acceptable salt, or solvate thereof, wherein,R.sup.o represents an aryl group, optionally substituted;X represents O or S;R.sup.1 and R.sup.1a each independently represents hydrogen or an alkyl group;R.sup.2 represents OCH.sub.2 CO.sub.2 H, or an ester or amide thereof, or R.sup.2 represents a moiety of formula (b): ##STR2## wherein R.sup.4 represent hydrogen, alkyl, hydroxyalkyl, arylalkyl, aralkyloxyalkyl or cycloalkyl and R.sup.5 represent hydroxy, alkoxy, arylalkyloxy, hydroxyalkyloxy, alkoxyalkyloxy, arylalkoxyalkyloxy, cycloalkyloxy, hydrogen, alkyl, substituted alkyl, cycloalkyl, aryl, arylalkyl, arylalkyloxyalkyl or R.sup.5 together with OR.sup.4 represents O(CH.sub.2).sub.n O wherein n is 2, 3 or 4; andR.sup.3 represents hydrogen, halogen, alkyl or alkoxy or R.sup.3 together with R.sup.Type: GrantFiled: June 5, 1995Date of Patent: March 10, 1998Assignee: SmithKline Beecham p.l.c.Inventors: Lee James Beeley, Mervyn Thompson, David Kenneth Dean, Nikesh Rasiklal Kotecha, John Michael Berge, Robert William Ward
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Patent number: 5717126Abstract: Phosphorus-containing calixarenes of the general formula I ##STR1## and a process for their preparation are described. Additionally, a process for the preparation of aldehydes by the hydroformylation of C.sub.3 -C.sub.20 -olefins by means of rhodium or ruthenium carbonyl complexes, in which the phosphorus-containing calixarenes of the formula I are used as ligands, is described.Type: GrantFiled: August 7, 1995Date of Patent: February 10, 1998Assignee: BASF AktiengesellschaftInventors: Rocco Paciello, Michael Roper, Heinz-Josef Kneuper, Ernst Langguth, Peter Michael Lorz
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Patent number: 5710305Abstract: A method for producing alkyl derivatives of phosphonic acids together with hexyl-bis?5-ethyl-2-hexyl-1,3,2-dioxaphosphorinan-5-yl)methyl!ester, P,P'dioxide as a novel product and the use of such a product as, or in connection with, a flame retardant.Type: GrantFiled: August 1, 1996Date of Patent: January 20, 1998Assignee: Albright & Wilson UK LimitedInventors: Adrian Charles Archer, Christopher John Harris, Gary Woodward, Mohsen Zakikhani
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Patent number: 5705668Abstract: New phosphazene derivatives, fully substituted by aromatic groups and perfluoropolyethereal chains, are utilized as stabilizers for oils and greases based on perfluoropolyethers. Such derivatives inhibit the degradation process affecting the perfluoropolyethereal chains when these are subjected to high temperatures in an oxidizing atmosphere and in the presence of metals, such as for example aluminium, titanium, vanadium and their alloys, or steels.Type: GrantFiled: October 30, 1996Date of Patent: January 6, 1998Assignee: Ausimont S.p.A.Inventors: Paolo Odello, Walter Navarrini, Richard Dickinson Chambers, Costante Corti
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Patent number: 5688847Abstract: Disclosed is a fluorophosphite compound of the formula ##STR1## This compound shows superior performance as a stabilizer in polymers, such as polypropylene, and polyvinyl chloride. Also disclosed is a process for making this compound.Type: GrantFiled: November 7, 1996Date of Patent: November 18, 1997Assignee: Witco CorporationInventors: Michael E. Gelbin, Michael H. Fisch, R. David Peveler
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Patent number: 5502231Abstract: The present invention relates to a process for the preparation of compounds of the general formula I ##STR1## in which R.sup.1 and R.sup.2 are defined as stated in claim 1, characterized in that a 1,1,1-tris(hydroxymethyl)-(C.sub.2 -C.sub.5)-alkane or 2,2-bis(hydroxymethyl)-1,3-propanediol is reacted with vinylphosphonic anhydride.Type: GrantFiled: February 21, 1995Date of Patent: March 26, 1996Assignee: Cassella AktiengesellschaftInventors: Fritz Engelhardt, Ulrich Riegel, Hans-Jerg Kleiner
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Patent number: 5347029Abstract: Provided are novel dialkyl (dialkoxyphosphinyl)methyl phosphates of formula ##STR1## which am useful as anti-inflammatory and anti-arthritic agents. The compounds are synthesized from the reaction of tetraethyl oxiranylidenebisphosphonate and unsubstituted or alkyl-amines. Representative compounds include 2-(benzylamino)-1-(diethoxyphosphinyl)ethyl phosphonic acid diethyl ester, 1-(diethoxyphosphinyl)-2-[2'-(1', 2', 3', 4'-tetrahydro)napthylamino]ethyl phosphonic acid diethyl ester, 2-(3-fluorobenzylamino)-1-(diethoxyphosphinyl)ethyl phosphonic acid diethyl ester, and 5,5 -dimethyl-2-[2-(3-fluorobenzyl)amino-1-[(5,5-dimethyl-1,3,2-dioxaphosphori nan-2-yl)oxy]ethyl]-1,3,2-dioxaphosphorinane P,2-dioxide.Type: GrantFiled: December 16, 1993Date of Patent: September 13, 1994Assignee: The Upjohn CompanyInventor: Roy A. Johnson
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Patent number: 5342869Abstract: A composition, having good weatherability properties, comprisinga) one or more compounds of formula I ##STR1## in which m is 1;n is 0 or 1;p is 0;each R or R.sup.1 independently, is a group derived from an aliphatic, alicyclic or aromatic alcohol containing one or two OH groups; whereby the two --OH groups are not positioned to be able to form a P-containing ring;or both groups R form a group derived from an aliphatic, alicyclic or aromatic alcohol containing two OH groups in such a position that they can form a cyclic group with a single phosphorus atom;Y is --O--, --S--, --CH(R.sub.5)-- or --C.sub.6 H.sub.4 --;where R.sub.5 is hydrogen or C.sub.1-8 alkyl or COOR.sub.6 and R.sub.6 is C.sub.1-8 alkyl; andb) a polymeric material.Type: GrantFiled: July 6, 1992Date of Patent: August 30, 1994Assignee: Sandoz Ltd.Inventors: Klaus Stoll, Rainer Wolf
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Patent number: 5308902Abstract: Biphosphites of formula I ##STR1## wherein m is 0, 1 or 2,n is 1 to 4 or 6,R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and, if m=2, the radicals R.sub.1 are identical or different, and A is the radical of an at least n-hydric alcohol or phenol, which radical is attached to the P atom or atoms through the alcoholic or phenolic O atom or atoms, obtainable by reacting a compound of formula II ##STR2## wherein m is 0, 1 or 2, R.sub.1 is hydrogen or C.sub.1 -C.sub.4 alkyl and, if m=2, the radicals R.sub.1 are identical or different and R.sub.2 ' is phenyl, C.sub.1 -C.sub.12 alkylphenyl or C.sub.1 -C.sub.4 alkyl, with a polyether polyol or polyether/ester polyol, the hydroxy functions of said polyether polyol or polyether/ester polyol being partially or completely esterified with the ##STR3## are suitable for use as stabilizers, especially processing stabilizers, for organic polymers, preferably PVC resins, high density polyethylene and propylene.Type: GrantFiled: May 14, 1992Date of Patent: May 3, 1994Assignee: Ciba-Geigy CorporationInventors: Holger Andreas, Alfred Renner, Horst Zinke
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Patent number: 5288869Abstract: A new group of pentaerythryl diphosphonates and poly(pentaerythryl diphosphonates) are described. Flame-retardant compositions are also described, which include a thermoplastic polymer and a certain amount of self-extinguishing agent consisting of one of the above-mentioned pentaerythryl diphosphonates or poly(pentaerythryl diphosphonates).Type: GrantFiled: August 6, 1992Date of Patent: February 22, 1994Assignee: Enichem Synthesis S.p.A.Inventors: William Giroldini, Gianluigi Landoni, Antonio Rinaldi, Carlo Neri
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Patent number: 5254276Abstract: Cyclic diol- and diol-ester phosphite adducts of olefins and polymeric olefins provide superior multifunctional and lubricating fluid media with internal synergistic multifunctional antiwear, antioxidant properties and extreme pressure/antiwear additives for both mineral and synthetic lubricating oils as well as liquid hydrocarbon fuels.Type: GrantFiled: February 3, 1992Date of Patent: October 19, 1993Assignee: Mobil Oil CorporationInventors: Linda A. Benjamin, Andrew G. Horodysky, Derek A. Law, Shi-Ming Wu
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Patent number: 5239103Abstract: 3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl;X and Y are independently --O--, --S-- or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl;W and Z are independently O or S; andn, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.Type: GrantFiled: November 12, 1992Date of Patent: August 24, 1993Assignee: Ciba-Geigy CorporationInventors: Raymond Seltzer, Paul A. Odorisio, Sai P. Shum, Stephen D. Pastor
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Patent number: 5177237Abstract: A hydrazine derivative having the formula: ##STR1## wherein R is a hydrogen atom or ##STR2##Type: GrantFiled: October 24, 1991Date of Patent: January 5, 1993Assignee: Nissan Chemical Industries Ltd.Inventors: Hiroo Matsumoto, Kiyotomo Seto, Ryozo Sakoda
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Patent number: 5157027Abstract: Compounds which are inhibitors of cholesterol biosynthesis (by inhibiting de novo squalene biosynthesis), and thus are useful as hypocholesterolemic agents and antiatherosclerotic agents are provided which have the structure ##STR1## and analogs thereof, wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are the same or different and are H, lower alkyl, a metal ion or a prodrug ester;R.sup.5 is H, halogen or lower alkyl;Zq is substituted alkenyl, substituted alkynyl, mixed alkenyl-alkynyl or substituted phenylalkyl or, phenylalkenyl or phenylalkynyl, or alkyl, including all stereoisomers thereof.New methods for using such compounds to inhibit cholesterol biosynthesis are also provided.Type: GrantFiled: May 13, 1991Date of Patent: October 20, 1992Assignee: E. R. Squibb & Sons, Inc.Inventors: Scott A. Biller, David R. Magnin
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Patent number: 5075482Abstract: 3,7,9-Trioxa-1-aza-2,8-diphosphaspiro[4.5]decanes of formula I ##STR1## wherein R.sub.1 and R.sub.2 are independently hydrogen, alkyl, cycloalkyl, bicycloalkyl, tricycloalkyl or aryl; or can be halogen when n or m is zero,R.sub.3, R.sub.4, R.sub.5 and R.sub.6 are independently hydrogen, alkyl, aralkyl or aryl;X and Y are independently --O-- --S--, or --NR.sub.16 -- where R.sub.16 is alkyl, cycloalkyl, alkenyl, aryl or aralkyl;W and Z are independently O or S; andn, m, o and p are independently zero or 1, are effective in stabilizing organic materials against the deleterious effects of oxygen, heat and/or actinic radiation.Type: GrantFiled: August 23, 1990Date of Patent: December 24, 1991Assignee: Ciba-Geigy CorporationInventors: Raymond Seltzer, Paul A. Odorisio, Sai P. Shum, Stephen D. Pastor
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Patent number: 5070082Abstract: The N-phosphorylation of basic nitrogenous drug compounds to produce pro-drugs with enhanced water solubility or lipid solubility, or reduced toxicity, is disclosed. Drugs containing amine, amidine, guadinine, isourea, isothiourea an biguanide functions may be converted to such pro-drugs. The pro-drugs are hydrolyzed in the body, regenerating the original drugs with the release of a salt of phsophoric acid.Type: GrantFiled: March 18, 1991Date of Patent: December 3, 1991Assignee: American Cyanamid CompanyInventors: Keith C. Murdock, Ving J. Lee
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Patent number: 5043330Abstract: The invention relates to new gem-diphosphonates derivatives substituted by phenol groups of formula (I): ##STR1## as well as the process for their preparation and the pharmaceutical compositions containing them.Type: GrantFiled: March 14, 1989Date of Patent: August 27, 1991Assignee: Symphar S.A.Inventors: Lan Nguyen, Eric Niesor, Hieu Phan, Pierre Maechler, Craig Bentzen
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Patent number: 4758683Abstract: A spirodiphosphoamidate-type composition is provided, wherein the composition is represented by the general formula: ##STR1## wherein A and A' are independently selected from the group consisting of oxygen and sulfur; R.sup.1 and R.sup.3 are independently selected from the group consisting of hydrogen, aliphatic, oxyaliphatic, polyoxyaliphatic, cycloaliphatic and aromatic moieties; and R.sup.2 and R.sup.4 are independently selected from the group consisting of C.sub.13 and larger aliphatic, oxyaliphatic, polyoxyaliphatic and aliphatic substituted aryl groups.Type: GrantFiled: September 25, 1987Date of Patent: July 19, 1988Assignee: Borg-Warner Chemicals, Inc.Inventors: Lee Cherney, Yuval Halpern
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Patent number: 4670492Abstract: Cyclic bis and tris phosphites are provided having the formula: ##STR1## wherein: A is selected from the group consisting of sulfur; oxygen; alkylidene having from one to about six carbon atoms; cycloalkylidene having from three to about eight carbon atoms; and phenyl and alkyl phenyl alkylidene having from seven to about fourteen carbon atoms;R is selected from the group consisting of alkyl having from one to about eighteen carbon atoms; cycloalkyl having from three to about eight carbon atoms; and phenalkylidene and alkyl phenalkylidene having from seven to about twelve carbon atoms;R.sub.1 is selected from the group consisting of hydrogen; alkyl having from one to about eighteen carbon atoms; cycloalkyl having from three to about eight carbon atoms; and phenalkylidene and alkyl phenalkylidene having from seven to about twelve carbon atoms;n is 2 or 3;R.sub.2 is ##STR2## wherein: m=0 when n is 2; and 1 when n is 3;R.sub.3, R.sub.4, R.sub.5, R.sub.Type: GrantFiled: October 22, 1985Date of Patent: June 2, 1987Assignee: Adeka Argus Chemical Co., Ltd.Inventors: Yutaka Nakahara, Tohru Haruna, Etsuo Tobita
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Patent number: 4650609Abstract: Compounds having a quinodimethane or a 7,8-dihydroquinodimethane nucleus and four substituted phosphinyl groups at the 7- and 8-positions are disclosed. A process for preparing the specified compounds is also disclosed.Type: GrantFiled: June 25, 1985Date of Patent: March 17, 1987Assignee: E. I. Du Pont de Nemours and CompanyInventor: David R. Brittelli