Of Differing Carbon Content, More Than Three Or With Bridge Patents (Class 585/22)
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Patent number: 7683225Abstract: A fluorene-based derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is sandwiched between a cathode and an anode, wherein at least one layer of the organic thin film layers described above comprises the above fluorene-based derivative having a specific structure in the form of a single component or a mixed component. The organic electroluminescence device has a high luminous efficiency, and the fluorene-based derivative materializes the same.Type: GrantFiled: November 21, 2005Date of Patent: March 23, 2010Assignee: Idemitsu Kosan Co., Ltd.Inventors: Mitsunori Ito, Hiroshi Yamamoto, Satoshi Hachiya, Hisayuki Kawamura
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Publication number: 20100032658Abstract: Provided are novel organic electroluminescent compounds and organic electroluminescent devices comprising the same as electroluminescent material. Specifically, the organic electroluminescent compounds according to the invention are characterized in that they are represented by Chemical Formula (1): wherein, L is selected from the following structures. The organic electroluminescent compounds according to the invention exhibit high luminous efficiency in blue color and excellent life property as a material, so that an OLED having very good operation life can be prepared therefrom.Type: ApplicationFiled: July 13, 2009Publication date: February 11, 2010Applicant: Gracel Display Inc.Inventors: Hyo Jung Lee, Young Jun Cho, Hyuck Joo Kwon, Bong Ok Kim, Sung Min Kim, Seung Soo Yoon
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Publication number: 20090297711Abstract: A stabilized cyclic alkene composition comprising one or more cyclic alkenes, and at least one stabilizer compound having the Formula (I), R1,R2,R3,R4,R5(C6)OH ??Formula (I) wherein R1 through R5 can each independently be H, OH, C1-C8 linear, branched, or cyclic alkyl, C1-C8 linear, branched, or cyclic alkoxy or substituted or unsubstituted aryl, and wherein the stabilizer compound is present in an amount greater than 200 ppm up to 20,000 ppm and has a boiling point lower than 265° C. A method for forming a layer of carbon-doped silicon oxide on a substrate, which uses the stabilized alkene composition and a silicon containing compound.Type: ApplicationFiled: May 21, 2009Publication date: December 3, 2009Applicant: AIR PRODUCTS AND CHEMICALS, INC.Inventors: Steven Gerard Mayorga, Mary Kathryn Haas, Mark Leonard O'Neill, Dino Sinatore
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Patent number: 7612155Abstract: A film forming composition includes a polymer of a compound represented by formula (I): wherein R1, R2 and R3 each independently represents a substituent containing a carbon-carbon double bond or carbon-carbon triple bond; X1, X2 and X3 each independently represents any substituent; l and n each stands for an integer of from 0 to 15 and m stands for an integer of from 0 to 14, with the proviso that l, m and n do not represent 0 simultaneously; o and q each independently stands for an integer of from 0 to 15 and p independently stands for an integer of from 0 to 14; and r stands for 0 or 1, with the proviso that when r=0, R1 and R3 each independently represents a substituent containing a carbon-carbon double bond.Type: GrantFiled: April 25, 2007Date of Patent: November 3, 2009Assignee: FUJIFILM CorporationInventors: Yasufumi Watanabe, Katsuyuki Watanabe
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Publication number: 20090261717Abstract: The present invention relates to the compounds of the formulae (1) to (6) and to organic electroluminescent devices, in particular blue-emitting devices, in which these compounds are used as host material or dopant in the emitting layer and/or as hole-transport material and/or as electron-transport material.Type: ApplicationFiled: June 20, 2007Publication date: October 22, 2009Inventors: Arne Buesing, Philipp Stoessel, Holger Heil
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Publication number: 20090247798Abstract: The norbornene derivative of the present invention is represented by the following formula (Im). According to the present invention, a novel norbornene derivative that is useful as a precursor monomer for preparing a cycloolefin polymer exhibiting excellent transparency, heat resistance and low-water absorption properties and having been freely controlled in the birefringence properties and the wavelength dispersion properties can be provided. According to the present invention, further, a norbornene ring-opened (co)polymer having excellent transparency and heat resistance, exhibiting high solubility in organic solvents and having specific birefringence properties and wavelength dependence, and a process for preparing the ring-opened (co)polymer can be provided.Type: ApplicationFiled: April 1, 2009Publication date: October 1, 2009Applicant: JSR CorporationInventors: Yoshikazu Miyamoto, Nobuyuki Miyaki, Kohei Goto, Yuichi Hashiguchi
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Patent number: 7589242Abstract: The present invention is drawn to the use of alkanes that are highly transparent to UV wavelengths ranging from about 170 nm to 260 nm in optical couplants, optical cements, optical elements, optical inspection media for semiconductor wafers and devices, and immersion photolithography, particularly at 193 and 248 nm exposure wavelength.Type: GrantFiled: September 14, 2005Date of Patent: September 15, 2009Assignee: E. I. du Pont de Nemours and CompanyInventors: Roger Harquail French, Sheng Peng, Robert Clayton Wheland
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Publication number: 20090200929Abstract: An anthracene derivative with a specified asymmetrical type structure. An organic electroluminescence device which comprises at least one organic thin film layer including a light emitting layer sandwiched between a pair of electrode consisting of an anode and a cathode, wherein at least one of the organic thin film layer comprises the anthracene derivative. An organic electroluminescence device which emits blue light of enhanced purity and has a long lifetime is provided.Type: ApplicationFiled: January 26, 2009Publication date: August 13, 2009Applicant: Idemitsu Kosan Co. Ltd.Inventors: Mineyuki Kubota, Masakazu Funahashi, Chishio Hosokawa
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Patent number: 7569649Abstract: A film forming composition includes a compound having a cage structure; and a compound having a conjugated diene structure.Type: GrantFiled: September 13, 2007Date of Patent: August 4, 2009Assignee: FUJIFILM CorporationInventor: Hidetoshi Hiraoka
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Publication number: 20090189518Abstract: A fused polycyclic compounds is represented by the general formula (I): wherein X1 to X18 each represent, independently of one another, a hydrogen atom, a halogen atom, a cyano group, a nitro group, a substituted or unsubstituted alkyl group, a substituted or unsubstituted alkoxy group, a substituted or unsubstituted alkenyl group, a substituted or unsubstituted alkynyl group, a substituted or unsubstituted aralkyl group, a substituted amino group, a substituted or unsubstituted aryl group, or a substituted or unsubstituted heterocyclic group.Type: ApplicationFiled: November 21, 2008Publication date: July 30, 2009Applicant: CANON KABUSHIKI KAISHAInventors: Naoki Yamada, Minako Nakasu, Satoshi Igawa, Masashi Hashimoto
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Patent number: 7514513Abstract: A polymer obtained by polymerizing a compound represented by formula (I) in a presence of a polymerization accelerator; a film-forming composition comprising the polymer; an insulating film formed by utilizing the composition; and an electronic device, in formula (I), R1 and R2 each independently represents a substituent containing a carbon-carbon triple bond; X1 and X2 each independently represents a substituent except for a substituent containing a carbon-carbon triple bond; l and m each independently represents an integer of 0 to 15, provided that l and m are not 0 at the same time; and p and n each independently represents an integer of 0 to 14.Type: GrantFiled: August 11, 2006Date of Patent: April 7, 2009Assignee: FUJIFILM CorporationInventor: Yasufumi Watanabe
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Publication number: 20080303433Abstract: A fluorene-based derivative having a specific structure and an organic electroluminescence device in which an organic thin film layer comprising a single layer or plural layers including at least a light emitting layer is sandwiched between a cathode and an anode, wherein at least one layer of the organic thin film layers described above comprises the above fluorene-based derivative having a specific structure in the form of a single component or a mixed component. The organic electroluminescence device has a high luminous efficiency, and the fluorene-based derivative materializes the same.Type: ApplicationFiled: July 24, 2008Publication date: December 11, 2008Applicant: Idemitsu Kosan Co., Ltd.Inventors: Mitsunori ITO, Hiroshi Yamamoto, Satoshi Hachiya, Hisayuki Kawamura
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Patent number: 7390864Abstract: A norbornene-based polymer, which is formed by addition polymerization of a composition comprising at least one norbornene derivative represented by formula (1): wherein R1, R2, R3, R4, R5, R6, R7 and R8 each independently represents a hydrogen atom or a substituent; and n represents an integer of 0 to 2.Type: GrantFiled: September 27, 2007Date of Patent: June 24, 2008Assignee: Fujifilm CorporationInventors: Yutaka Nozoe, Saisuke Watanabe
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Publication number: 20070255003Abstract: A film forming composition includes a polymer of a compound represented by formula (I): wherein R1, R2 and R3 each independently represents a substituent containing a carbon-carbon double bond or carbon-carbon triple bond; X1, X2 and X3 each independently represents any substituent; l and n each stands for an integer of from 0 to 15 and m stands for an integer of from 0 to 14, with the proviso that l, m and n do not represent 0 simultaneously; o and q each independently stands for an integer of from 0 to 15 and p independently stands for an integer of from 0 to 14; and r stands for 0 or 1, with the proviso that when r=0, R1 and R3 each independently represents a substituent containing a carbon-carbon double bond.Type: ApplicationFiled: April 25, 2007Publication date: November 1, 2007Applicant: FUJIFILM CorporationInventors: Yasufumi Watanabe, Katsuyuki Watanabe
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Patent number: 7094937Abstract: Disclosed are compositions comprising C26H30 hexamantane, referred to herein as peri-condensed hexamantane, fully condensed hexamantane, and cyclohexamantane. These enriched cyclohexamantane compositions comprise at least 5 percent by weight cyclohexamantane based upon the total weight of the composition.Type: GrantFiled: December 12, 2001Date of Patent: August 22, 2006Assignee: Chevron U.S.A. Inc.Inventors: Jeremy E. Dahl, Robert M. Carlson
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Patent number: 7056869Abstract: Hydrocarbon fluids are provided which have ASTM D-86 boiling point ranges within 235° C. to 400° C. and a naphthenic content greater than 60%, the naphthenics containing polycyclic materials, the fluids preferably have an aromatic content below 2% and an aniline point below 100° C. The fluids are particularly useful solvents for printing inks, drilling fluids, metal working fluids and as silicone extenders.Type: GrantFiled: March 6, 2003Date of Patent: June 6, 2006Assignee: ExxonMobil Chemical Patents Inc.Inventors: Pierre-Yves Guyomar, Olaf Peter Rudolf Keipert, Robert A. Verbelen, Gerd Merhof, Els H. Slachmuijlders, André A. Theyskens
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Patent number: 7034095Abstract: A bicyclic conjugated diene polymer obtained by polymerizing a monomer (M) comprising at least one kind of bicyclic conjugated diene monomer represented by formula (I), and a bicyclic conjugated diene copolymer obtained by copolymerizing monomer (M) with at least one kind of unsaturated compound other than said monomer: wherein, R1 to R6 are the same or different and are each hydrogen, halogen, or alkyl or halogenated alkyl of 1 to 20 carbon; n and m are each an integer of from 0 to 10; X1, X2, Y1 and Y2 are the same or different from each other and are each hydrogen, halogen or alkyl or halogenated alkyl of 1 to 20 carbon; and, when m or n is 2 or more, each of mX1's, mX2's, nY1's and nY2's are the same or different.Type: GrantFiled: February 14, 2003Date of Patent: April 25, 2006Assignee: Nippon Petrochemicals Co., Ltd.Inventors: Saisuke Watanabe, Teppei Tsujimoto, Shuichi Tajima
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Patent number: 6828283Abstract: The present invention includes a traction fluid that includes an alkyl bridged dimer of bicycloheptane. Methods of using alkyl bridged dimers of bicycloheptane in traction fluids are also disclosed.Type: GrantFiled: February 5, 2003Date of Patent: December 7, 2004Assignee: Genberal Motors CorporationInventors: Thomas J. Chapaton, Tenneille W. Capehart, James L. Linden
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Publication number: 20040171898Abstract: A bicyclo[2.2.Type: ApplicationFiled: December 22, 2003Publication date: September 2, 2004Inventors: Toshiyuki Tsubouchi, Yukio Yoshida, Motohisa Ido
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Publication number: 20040152931Abstract: The present invention includes a traction fluid that includes an alkyl bridged dimer of bicycloheptane. Methods of using alkyl bridged dimers of bicycloheptane in traction fluids are also disclosed.Type: ApplicationFiled: February 5, 2003Publication date: August 5, 2004Inventors: Thomas J. Chapaton, Tenneille W. Capehart, James L. Linden
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Patent number: 6753448Abstract: The present invention provides compounds represented by formulas 1a and 1b′; and photoresist polymers derived from the same. The present inventors have found that photoresist polymers derived from compounds of formulas 1a, 1b, or mixtures thereof, having an acid labile protecting group have excellent durability, etching resistance, reproducibility, adhesiveness and resolution, and as a result are suitable for lithography processes using deep ultraviolet light sources such as KrF, ArF, VUV, EUV, electron-beam, and X-ray, which can be applied to the formation of the ultrafine pattern of 4G and 16G DRAMs as well as the DRAM below 1G: where R1, R2 and R3 are those defined herein.Type: GrantFiled: December 26, 2002Date of Patent: June 22, 2004Assignee: Hyundai Electronics Industries Co., Ltd.Inventors: Geun Su Lee, Jae Chang Jung, Ki Ho Baik
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Patent number: 6372930Abstract: Polymeric ligands, polymeric metallocenes, and processes for preparing same are provided. The process for preparing polymeric metallocenes comprises reacting a polymeric ligand, a transition metal compound, and an alkali metal compound. In one embodiment, a process for preparing polymeric ligands comprises reacting at least one bridged cyclopentadienyl-type monomer and an initiator under polymerization conditions. In another embodiment, a polymeric ligand is represented by the formula [Q′]n, wherein Q′ is a unit containing at least one bridged cyclopentadienyl-type group and wherein n is 1-5000.Type: GrantFiled: February 10, 2000Date of Patent: April 16, 2002Assignee: Phillips Petroleum CompanyInventors: Peter Schertl, Helmut G. Alt, M. Bruce Welch, Bernd Peifer, Syriac J. Palackal
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Patent number: 6323315Abstract: The present invention provides compounds of the formula where R1-R5 are each, independently, a hydrogen atom or a normal or branched C1-C6-alkyl group; A is a methionyl, phenylalanyl or phenylglycyl residue; n is 0 or 1; R6 is a hydrogen atom; and R7 is a carbocylic group, an aromatic group, a C1-C4-alkyl group, a pyridylalkyl group or a heterocyclic group. In another embodiment, R6 is benzyl or —C(O)OR8, where R8 is a C1-C6-alkyl group, and R7 is a heteroaromatic group, such as a 2-thiazolyl group.Type: GrantFiled: March 31, 2000Date of Patent: November 27, 2001Assignees: BASF Aktiengesellschaft, Arizona Board of RegentsInventors: George R. Pettit, Jayaram K. Srirangam, Michael D. Williams, Kieran P. M. Durkin, Teresa Barlozzari, Andreas Kling, Bernd Janssen, Andreas Haupt
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Patent number: 6320088Abstract: Traction drive fluids comprise a saturated polycyclic hydrocarbon compound obtained by hydrogenating a trimeric compound of a cyclopentadiene-based condensed hydrocarbon compound resulting from the Diels-Alder reaction of cyclopentadiene and then isomerizing the resulting compound so as to have a pour point of −10° C. or below. The traction drive fluids can be used not only in driving force transmitting mechanisms but also in hydraulic pressure controlling mechanism and friction properties controlling mechanisms of wet clutches.Type: GrantFiled: February 27, 2001Date of Patent: November 20, 2001Assignee: Nippon Mitsubishi Oil CorporationInventors: Mitsuo Matsuno, Shinichi Shirahama, Tetsuo Okawa
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Patent number: 6235856Abstract: Composition of (a) dicyclopentadiene, by itself or in a mixture with a strained cycloolefin, and (b) a catalytic amount of at least one carbene-free, divalent-cationic ruthenium or osmium compound as a single-component catalyst, which contains at least one phosphine group and a total of 2 to 5 ligands bonded to the metal atom, and which contains acid anions for charge balancing. The compositions can be polymerized by means of heat (metathesis polymerization) and are suitable for the production of shaped articles and coatings.Type: GrantFiled: June 19, 1997Date of Patent: May 22, 2001Assignee: Ciba Specialty Chemicals CorporationInventors: Andreas Hafner, Paul Adriaan Van Der Schaaf, Andreas Mühlebach
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Patent number: 6191330Abstract: Disclosed is a traction drive fluid which comprises (A) one or more than two compounds selected from the group consisting of saturated polycyclic hydrocarbon compounds represented by the formulae: wherein R1 and R2 are each independently hydrogen or a methyl group, provided that the case where both R1 and R2 are a methyl group at the same time is excluded, and R3 and R4 are each independently hydrogen or a methyl group; wherein R5 and R6 are each independently hydrogen or a methyl group, provided that the case where both R5 and R6 are a methyl group at the same time is excluded, R7 and R8 are each independently hydrogen or a methyl group; and wherein R9, R10 and R11 are each independently hydrogen or a methyl group.Type: GrantFiled: September 16, 1999Date of Patent: February 20, 2001Assignees: Nippon Mitsubishi Oil Corporation, San-Petrochemical Co., Ltd.Inventors: Mitsuo Matsuno, Shinichi Shirahama, Tetsuo Okawa, Takashi Kiyota
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Patent number: 6139484Abstract: Bridged cyclopentadienyl derivatives having general formula (I)A--X--B (I)wherein:1) A is a monofunctional hydrocarbyl radical having general formula (II) ##STR1## 2) --X-- is the bridge between A and B and consists of a bifunctional radical selected from an alkylene group, a silanylene group, an alkyl substituted silaalkylene group, a siloxasilanylene group;3) B is a monofunctional hydrocarbyl radical selected from:e) any of the A radicals defined above,f) a cyclopentadienyl radical.Type: GrantFiled: October 10, 1996Date of Patent: October 31, 2000Assignee: Enichem S.p.A.Inventors: Paolo Biagini, Gabriele Lugli, Roberto Santi, Giampiero Borsotti, Viviano Banzi
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Patent number: 5973085Abstract: Compounds of the formula I(A).sub.n --B (I)in which A is the radical of a strained cycloolefin, B is a direct bond or an n-valent bridging group and n is an integer from 2 to 8, with the exception of 1,2-bisnorbornenyl-ethane and norbornenecarboxylic acid norbornenemethyl ester. The compounds of the formula I can be polymerized with one-component catalysts (ring-opening metathesis polymerization).Type: GrantFiled: May 14, 1997Date of Patent: October 26, 1999Assignee: Ciba Specialty Chemicals CorporationInventors: Andreas Muhlebach, Andreas Hafner, Paul Adriaan Van Der Schaaf
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Patent number: 5900517Abstract: Cyclopentadienyl derivatives are described having general formula (I) ##STR1## where R, R.sub.1, R.sub.2, R.sub.4, equivalent to or different from one another, are selected from: --H, alkyl radicals having a number of carbon atoms from 1 to 5, cycloalkyl radicals having a number of carbon atoms from 5 to 8, aryl and alkylaryl radicals having a number of carbon atoms from 6 to 8, aralkyl radicals having a number of carbon atoms from 7 to 9; n is an integer from 2 to 18; with the proviso that the number of R different from H does not exceed 2; with the exclusion of the compound having n=3, R.dbd.R.sub.1 .dbd.R.sub.2 .dbd.R.sub.4 .dbd.H. The invention a-so describes the process for the preparation of the above-mentioned cyclopentadienyl derivatives.Type: GrantFiled: August 12, 1996Date of Patent: May 4, 1999Assignee: Enichem S.p.A.Inventors: Paolo Biagini, Roberto Santi, Giampiero Borsotti, Gabriele Lugli, Viviano Banzi
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Patent number: 5866706Abstract: Utilization of thermodynamic ratios to produce pure rac and pure meso isomers or a mixture thereof.Type: GrantFiled: June 9, 1997Date of Patent: February 2, 1999Assignee: Boulder Scientific Co.Inventor: Daniel Anthony Gately
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Patent number: 5847247Abstract: The specification discloses terpene-based solvent compositions which comprise diterpenes as a major component and a minor amount of monoterpenes. The mixtures exhibit solvent properties similar to monoterpenes but have flash points high enough to be classified as combustible rather than flammable materials.Type: GrantFiled: March 18, 1996Date of Patent: December 8, 1998Assignee: Arizona Chemical CompanyInventors: Alexander J. Conte, Bobby G. Johnson, Raymond H. Jones, Claude F. Phillips, Jr.
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Patent number: 5744666Abstract: A process for preparing an alkynyl fulvene group containing compound and said compound is provided. Said process comprises reacting an alkynyl ketone compound with a cyclopentadienyl-type compound.Type: GrantFiled: December 6, 1996Date of Patent: April 28, 1998Assignee: Phillips Petroleum CompanyInventors: M. Bruce Welch, Bernd Peifer, Helmut G. Alt
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Patent number: 5728908Abstract: A process for preparing a bridged ligand, where said bridged ligand has an alkynyl group, and said bridged ligand is provided. Said process comprises reacting an alkynyl fulvene containing compound with an alkali metal salt of a cyclopentadienyl-type compound.Type: GrantFiled: December 6, 1996Date of Patent: March 17, 1998Assignee: Phillips Petroleum CompanyInventors: M. Bruce Welch, Bernd Peifer, Helmut G. Alt
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Patent number: 5723709Abstract: Terpene dimer compositions are provided which dry into a hard, tack free film upon exposure to air. The compositions include a terpene dimer having the molecular formula C.sub.20 H.sub.32 and contain at least one double bond. The terpene dimer is derived from a naturally occurring monoterpene, or mixtures thereof, having the molecular formula C.sub.10 H.sub.16. In an another embodiment the compositions, in addition to the terpene dimer, include isomers of the monoterpenes. The compositions are substantially free of higher terpene oligomers having molecular formulas greater than C.sub.20 H.sub.32. Processes for making the terpene dimer compositions are also provided. Advantageous utilization of these compositions is as a diluent, solvent or component in coating, adhesive, alkyd or ink formulations, as an environmentally safe non-toxic material.Type: GrantFiled: July 9, 1996Date of Patent: March 3, 1998Assignee: Arizona Chemical CompanyInventors: Claude Frank Phillips, Jr., James William Booth
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Patent number: 5510549Abstract: The invention provides a fiber optic cable and a diamondoid-based viscous filling material for a fiber optic cable.Type: GrantFiled: March 20, 1995Date of Patent: April 23, 1996Assignee: Mobil Oil CorporationInventors: Henry Ashjian, Dong-Ming Shen, Margaret M. Wu
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Patent number: 5495031Abstract: The invention provides a process for the production of compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4 and W are defined in the specification in which a compound of the following formula: ##STR2## is reacted with a nucleophile of the formula WH in an inert atmosphere in the presence of a polar aprotic solvent. The resulting compounds are useful as antibiotics.Type: GrantFiled: September 13, 1994Date of Patent: February 27, 1996Assignee: American Cyanamid CompanyInventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
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Patent number: 5495032Abstract: The invention provides a process for the production of compounds of the formula: ##STR1## wherein, R, R.sup.3, R.sup.4, X and W are defined in the specification in which a compound of the following formula: ##STR2## is reacted with a nucleophile of the formula WH in an inert atmosphere in the presence of a polar-protic or a polar-aprotic solvent. The resulting compounds are useful as antibiotics.Type: GrantFiled: September 27, 1994Date of Patent: February 27, 1996Assignee: American Cyanamid CompanyInventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
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Patent number: 5495018Abstract: The invention provides compounds of the formulas ##STR1## which are useful as intermediates for the preparation of 6-demethyl-6-deotetracycline antibiotic agents.Type: GrantFiled: December 8, 1994Date of Patent: February 27, 1996Assignee: American Cyanamid CompanyInventors: Phaik-Eng Sum, Ving J. Lee, Joseph J. Hlavka, Raymond T. Testa
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Patent number: 5475172Abstract: Di-addended and tetra-addended Buckminster fullerenes are synthesized through the use of novel organoborane intermediates. The C.sub.60, C.sub.70, or higher fullerene is reacted with a borane such as BH.sub.3 in a solvent such as toluene to form an organoborane intermediate. Reaction of the organoborane such as hydrolysis with water or alcohol results in the product di-addended and tetra-addended fullerene in up to 30% yields. Dihydrofullerenes and tetrahydrofullerenes are produced by the process of the invention.Type: GrantFiled: December 1, 1993Date of Patent: December 12, 1995Assignee: Sandia CorporationInventors: Paul A. Cahill, Craig C. Henderson
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Patent number: 5446222Abstract: The invention provides a two-step process for converting cyclopentadiene dimer to a high density fuel mixture comprising the steps of:(a) reacting said cyclopentadiene dimer in the presence of a solid catalyst comprising a porous crystalline material having a Constraint Index of from about 0.1 to about 12 under oligomerization/isomerization conditions to convert at least a portion of said cyclopentadiene dimer to a normally liquid intermediate product containing cyclopentadiene trimer, cyclopentadiene tetramer, and the isomerized and oligomerized products derived from the reaction of at least three cyclopentadiene monomer units;(b) hydrogenating said normally liquid intermediate product of step (a) in the presence of a hydrogenation catalyst to form a normally liquid high energy density fuel.Type: GrantFiled: June 17, 1994Date of Patent: August 29, 1995Assignee: Mobil Oil CorporationInventors: James R. Boulton, Ross A. Kremer
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Patent number: 5442059Abstract: The invention provides compounds of the formula: ##STR1## wherein R, and R.sup.1 and W are defined in the specification. These compounds are useful as antibiotic agents.Type: GrantFiled: August 13, 1992Date of Patent: August 15, 1995Assignee: American Cyanamid CompanyInventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
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Patent number: 5422027Abstract: A process for improving the traction coefficient between at least two relatively rotatable elements having tractive surfaces in a torque transmitting relationship which comprises introducing between the tractive surfaces of the elements a traction drive fluid comprising, as the active component, a hydrocarbon compound having a bicylo octane skeleton.Type: GrantFiled: November 1, 1993Date of Patent: June 6, 1995Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuaki Abe, Toshiyuki Tsubouchi, Hitoshi Hata
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Patent number: 5378783Abstract: A highly polymerizable dicyclopentadiene (DCPD) monomer composition is obtained. The dicyclopentadiene so obtained is highly suitable for ring-opening polymerization by metathesis catalysts. The active DCPD yields articles with excellent physical properties upon in-mold polymerization.Type: GrantFiled: May 23, 1991Date of Patent: January 3, 1995Assignee: Nippon Zeon Co., Ltd.Inventors: Kin-ichi Okumura, Masao Torii, Hirotoshi Tanimoto, Motoyuji Yamato
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Patent number: 5367097Abstract: This invention provides a method for incorporating a diamondoid compound into a lubricant stock comprising reacting at least one .alpha.-olefin containing at least six carbon atoms with at least one diamondoid compound in the presence of an acid catalyst selected from the group consisting of AlX.sub.3, BX.sub.3, and GaX.sub.3, wherein X is a halogen, together with at least one added proton-donating catalyst promoter.The invention further provides a lubricant composition comprising alkyl-substituted diamondoids wherein the ratio of linear to branched alkyl substituents is at least about 4:1 and wherein the average number of alkyl substitutions per diamondoid molecule is from about 1.5 to about 4.Type: GrantFiled: June 3, 1993Date of Patent: November 22, 1994Assignee: Mobil Oil CorporationInventors: Dong-Ming Shen, Margaret M. Wu
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Patent number: 5328902Abstract: The invention provides compounds of the formula: ##STR1## wherein R, R.sup.3, R.sup.4 and W are defined in the specification. These compounds are useful as antibiotic agents.Type: GrantFiled: August 13, 1992Date of Patent: July 12, 1994Assignee: American Cyanamid Co.Inventors: Phaik-Eng Sum, Ving J. Lee, Raymond T. Testa
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Patent number: 5306851Abstract: The invention provides a composition comprising at least about 10 different diamondoid compounds selected from the group consisting of methyl-substituted and ethyl-substituted adamantane, diamantane, and triamantane, wherein each of said selected diamondoid compounds comprises no more than about 10 weight percent of said composition. The composition is useful as high quality lubricating fluid and exhibits the unusual combination of high Viscosity Index and very low pour point.Type: GrantFiled: November 23, 1992Date of Patent: April 26, 1994Assignee: Mobil Oil CorporationInventors: Margaret M. Wu, Dong-Ming Shen, Catherine S. H. Chen
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Patent number: 5283384Abstract: A traction drive fluid composition comprising a hydrocarbon having a bicyclo octane skeleton, such as a bicyclo(3,2,1) octane skeleton, a bicyclo(2,2,2)octane skeleton or a bicyclo(3,3,0)octane skeleton. The traction drive fluid has a low viscosity and has a high traction coefficient over a wide temperature range.Type: GrantFiled: March 2, 1992Date of Patent: February 1, 1994Assignee: Idemitsu Kosan Co., Ltd.Inventors: Kazuaki Abe, Toshiyuki Tsubouchi, Hitoshi Hata
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Patent number: 5262501Abstract: Mixtures essentially comprising compounds of formula I or II ##STR1## wherein X is a hydrogen atom or vinyl, A is a divalent aromatic radical which is unsubstituted or substituted by one or more C.sub.1 -C.sub.20 alkyl groups, halogen atoms or halogen-substituted C.sub.1 -C.sub.20 alkyl groups, R.sub.1, R.sub.1 ', R.sub.2, R.sub.2 ', R.sub.3 and R.sub.3 ' are each a hydrogen atom, or R.sub.1 and R.sub.1 ', R.sub.2 and R.sub.2 ' and R.sub.3 and R.sub.3 ' are each together ethylene, R.sub.4 is C.sub.1 -C.sub.6 alkyl, phenylalkyl containing 1 to 6 carbon atoms in the alkyl moiety or is trialkylsilyl containing 1 to 6 carbon atoms in each alkyl moiety, m is 0, 1 or 2, n is 0 or an average number from 1 to 200, p is an average number from 1 to 100 and q is 0 or an average number from 1 to 100, can be cured by heating and are suitable for making laminates, especially for fabricating copper-clad circuit boards.Type: GrantFiled: May 12, 1992Date of Patent: November 16, 1993Assignee: Ciga-Geigy CorporationInventors: Sheik Abdul-Cader Zahir, Cecile Pasquier, Wolfgang Scharf, Maurice Dupre
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Patent number: 5180867Abstract: A process for the production of thermoset copolymers having tailored product properties such as high glass transition temperature and/or increased cross-linking, the process comprising contacting a comonomer mixture with a methathesis catalyst system obtainable by combining at least a catalyst component and an activator component, wherein the comonomer is selected from compounds according to the formulae: ##STR1##Type: GrantFiled: November 20, 1989Date of Patent: January 19, 1993Assignee: Shell Oil CompanyInventors: Willem Sjardijn, Johannes J. M. Snel
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Patent number: RE39532Abstract: The novel metallocenes of the formula I in which, preferably, M1 is Zr or Hf, R1 and R2 are alkyl or halogen, R3 and R4 are hydrogen, R5 and R6 are alkyl or haloalkyl, —(CR8R9)m—R7—(CR8R9)n— is a single- or multi-membered chain in which R7 may also be a (substituted) hetero atom, m+n is zero or 1, and R10 is hydrogen, form, together with aluminoxanes as cocatalysts, a very effective catalyst system for the preparation of polyolefins of high stereospecificity and high melting point.Type: GrantFiled: July 17, 1997Date of Patent: March 27, 2007Assignee: Basell Polyolefine GmbHInventors: Andreas Winter, Martin Antberg, Walter Spaleck, Jürgen Rohrmann, Volker Dolle