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Toa Nenryo Kogyo, K.K. Patents
Assignee:
Toa Nenryo Kogyo, K.K.
Address:
Tokyo, JP
No. of patents:
38
Patents:




Patent Number Title Of Patent Date Issued
5259978 Traction fluid composition comprising a cyclohexyl diester and branched poly-.alpha.-olefin November 9, 1993
A traction fluid comprising:(i) a diesteric compound or its derivative represented by the formula ##STR1## wherein A' is an ester linkage of --COO-- or --OOC--, n is a number having a value of from 1 to 10, R.sub.1 is independently selected from hydrogen and alkyl groups containing
5171481 Synthetic traction fluid December 15, 1992
A synthetic lubricating fluid comprising at least one ester or its derivative represented by the formula ##STR1## wherein: n is an integer of 0 to 5 and m is an integer of 0 to 5, with the proviso that the sum of n+m is 1 to 10 inclusive;R.sub.1 is independently selected from hydroge
5098894 Binderless zeolite catalysts, production thereof and catalytic reaction therewith March 24, 1992
The binderless zeolite of this invention is comprised more than 90% of crystalline aluminosilicate which is produced by crystalized a binder contained in extrudate obtained by molding a mixture of crystalline aluminosilicate and binder of silica-alumina. This binderless zeolite can i
5085792 Synthetic traction fluid February 4, 1992
A traction fluid comprising:(i) at least one diester or its derivative represented by the formula ##STR1## wherein A' is an ester linkage, n is an integer of 1 to 6, R.sub.1 is independently selected from hydrogen and alkyl groups containing from 1 to 8 carbon atoms, and R.sub.2 is
5075024 Synthetic traction fluid December 24, 1991
A synthetic traction fluid comprising, as a base oil, at least one ester or its derivative selected from monoesters or their derivatives, and triesters or their derivatives represented by the formula ##STR1## wherein Y is independently selected from ##STR2## and --OH with A'
5039440 Traction fluid August 13, 1991
A traction fluid comprising at least one compound selected from diesters or monoesters represented by general formulas ##STR1## wherein: A is an ester linkage ##STR2## n.sub.1 and n.sub.2 are independently integers having a value of from 0 to 5 inclusive;R.sub.1 is hydrogen o
5037908 Process for polymerization of butene-1 August 6, 1991
An improved process for polymerizing butene-1 in the presence of a polymerization catalyst composed of (a) a catalyst component containing titanium and halogen as essential constituents and (b) an organometallic compound, wherein the improvement comprises bringing said catalyst compo
5037543 Assemblage of hydroxyl apatite particles and liquid chromatography column using the same August 6, 1991
An assemblage of hydroxyl apatite particles having small and uniform particle size. The median of the particle size is 1 to 10 .mu.m, and at least 90% of the particles in the assemblage have a particle size of not more than 25 .mu.m. The assemblage can be used to pack a liquid chroma
5017308 Silicon thin film and method of producing the same May 21, 1991
A silicon thin film is composed of primarily silicon atoms, 0 to 8 atm % hydrogen, at least one element selected from the group including fluorine, chlorine, bromine and iodine, and an impurity element, wherein about 80 to 100% of microcrystalline grains are interspersed in an amorphous
4978468 Traction fluid December 18, 1990
A traction fluid comprising:(i) an ester or its derivative represented by the formula: ##STR1## wherein A' is an ester linkage of --COO-- or --OOC--, n is an integer of from 1 to 14, R.sub.1 is selected from hydrogen and C.sub.1 to C.sub.8 alkyl radicals, and R.sub.2 is independentl
4977120 Binderless zeolite catalysts, production thereof and catalytic reaction therewith December 11, 1990
The binderless zeolite of this invention is comprised more than 90% of crystalline aluminosilicate which is produced by crystalize a binder contained in extrudate obtained by molding a mixture of crystalline aluminosilicate and binder of silica-alumina. This binderless zeolite can im
4974780 Ultrasonic fuel injection nozzle December 4, 1990
An ultrasonic fuel injection nozzle comprises a generator for generating ultrasonic vibrations, a vibrator secured to the ultrasonic vibration generator and a valve for supplying fuel to the vibrator. The vibrator is secured to the ultrasonic vibration generator at one end and is formed
4960743 Method for production of catalyst carrier for polymerization of olefin October 2, 1990
A method for the production of a catalyst carrier for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX [wherein R stands
4959427 Catalyst component for polymerization of olefins September 25, 1990
A catalyst component for the polymerization of olefins which is prepared by contacting a reaction product of dihydrocarbyl magnesium and a halogen-containing alcohol held in contact with a titanium compound.
4950630 Method for production of catalyst component for olefin polymerization August 21, 1990
A method for the production of a catalyst component for use in the polymerization of an olefin, which method comprises causing a magnesium-containing solid obtained by contact of (A) magnesium metal, (B) a halogenated hydrocarbon represented by the general formula, RX [wherein R stan
4942148 Catalyst component for olefin polymerization July 17, 1990
A catalyst component for olefin polymerization, prepared by bringing a titanium-containing solid which comprises (a) a metal oxide, (b) an organomagnesium compound represented by the following general formula:wherein R.sup.1 and R.sup.2 each represents a hydrocarbon group containing from
4926002 Catalyst for olefin polymerization May 15, 1990
A catalyst for olefin polymerization which comprises: (A) a catalyst component obtained by reacting (a) pentadiene or a derivative thereof with (b) an alkali metal and subsequently reacting the reaction product with (c) a titanium compound or zirconium compound, and (B) aluminoxane.
4921901 Block copolymers having ethylene-propylene copolymer blocks and methacrylate ester polymer block May 1, 1990
A novel block copolymer is disclosed which includes a random ethylene-propylene copolymer segment (A) and a methacrylate segment (B). The block copolymer has a number-average molecular weight of about 1,000 to about 600,000 and a ratio of (A) to (B) of 15/85 to 97/3 by weight.
4912170 Process for producing a modified styrene polymer March 27, 1990
This invention relates to a p-methyl styrene polymer represented by the following formula: ##STR1## Z denotes a group such as a functional group. Poly p-methylstyrene (PPMS) is lithiated by reaction with n-butyllithium. The lithiated PPMS is used to prepare polymers containing fu
4904257 Fibrous bone filler and process of producing the same February 27, 1990
A fibrous bone filler having an excellent biocompatibility. The bone filler comprises fibers containing hydroxyl apatite. The hydroxyl apatite is "intact", that is, the hydroxyl apatite substantially retains its hydroxyl groups.
4889650 Synthetic traction fluid December 26, 1989
A synthetic traction fluid comprising, as a base oil, at least one ester or its derivative selected from monoesters, diesters, triesters and derivatives thereof represented by the formula: ##STR1## where Y is independently selected from ##STR2## --(CH.sub.2)n--OH A' is an est
4886614 Synthetic traction fluid December 12, 1989
A traction fluid comprising a diester or its derivative represented by the formula ##STR1## wherein: A40 is an ester linkage of --COO-- or --OOC--;n is an integer of 1 to 6;R.sub.1 is independently selected from hydrogen and alkyl groups containing 1 to 8 carbon atoms; andR.sub.2 is
4886613 Traction fluid December 12, 1989
A traction fluid comprising a diester or its derivative represented by the formula: ##STR1## wherein A' is an ester linkage, n is an integer of 1 to 10, R.sub.1 is independently selected from hydrogen and C.sub.1 to C.sub.8 alkyl groups, and R.sub.2 is the same or different and i
4873288 Method for preparation of thermoplastic resin composition October 10, 1989
A two-step process for production of thermoplastic elastomer, which comprises dynamically vulcanizing polypropylene and olefinic rubber in the presence of peroxide (1st step), and dynamically vulcanizing the vulcanized mixture, polypropylene and halogenated butyl rubber in the presen
4873115 Method of sythesizing carbon film and carbon particles in a vapor phase October 10, 1989
A vapor phase synthesis of carbon film and carbon particles using a single or a mixed gas capable of supplying halogen, hydrogen and carbon atoms is disclosed. Halogen radicals can suppress the desorption of carbon atoms from the substrate, and the carbon layer is obtained easily. Especi
4871704 Catalyst for olefin polymerization October 3, 1989
A catalyst for olefin polymerization which comprises: (A) a catalyst component obtained by reacting (a) pentadiene or a derivative thereof with (b) an alkali metal and susequently reacting the reaction product with (c) a titanium compound or zirconium compound, and (B) aluminoxane.
4871476 Synthetic lubricating fluid October 3, 1989
A synthetic lubricating fluid comprising:(i) an ester or its derivative of cyclohexanol and cyclohexanecarboxylic acid represented by the formula ##STR1## wherein R.sub.1, R.sub.2, and R.sub.3 are independently selected from hydrogen and alkyl groups containing from 1 to 8 carbon at
4870042 Catalyst for olefin polymerization September 26, 1989
A catalyst for olefin polymerization which comprises:(A) a catalyst component obtained by reacting (a) alkali metal boron hydride represented by the formula MBH.sub.4 (where M denotes an alkali metal) with (b) pyrazole and subsequently reacting the reaction product with (c) a titanium co
4865733 Cell separator device September 12, 1989
A cell separator which can separate cells, especially lymphocytes, with high selectivity and high efficiency without changing the cell population ratio of the cells. The cell separator comprises fibrous material containing fibers including hydroxyl apatite.
4857079 Co-poly (imide ether) copolymer from diaminated polyalkyleneglycol August 15, 1989
A novel co-poly (imide ether) copolymer consisting essentially of an organic acid dianhydride, a diamine, and a diaminated polyether, wherein the percentage of the diaminated polyether in the total amount of the diamine and the diaminated polyether is 5 to 40% by weight.
4849483 Process for producing a catalyst component for polymerization of olefins July 18, 1989
A process for producing a catalyst component for polymerization of olefins which comprises contacting (a) a metal oxide with (b) a magnesium alkoxide, contacting the resulting contact product with (c) a halogen-containing compound, and finally contacting the resulting contact product
4810437 Process for manufacturing carbon fiber and graphite fiber March 7, 1989
A process for manufacturing a carbon fiber or graphite fiber includes melt-spinning a carbonaceous pitch, infusibilizing the resulting pitch fiber, carbonizing, and when necessary graphitizing the fiber. A precursor of the carbonaceous pitch is centrifuged in a molten state to separate t
4801654 Block copolymer containing block from tetrahydrofuran January 31, 1989
A block copolymer is disclosed which includes an ethylene-propylene copolymer segment (A) and a tetrahydrofuran segment (B). The weight ratio of (A) to (B) is 5/95 to 95/5, and the block copolymer has a number-average molecular weight of about 1,000 to about 1,000,000.
4774129 Gas-sensitive composite material comprising metal and dielectric September 27, 1988
A gas-sensitive composite material comprises a porous dielectric having micropores and a thin film consisting of ultrafine metal particles dispersed in, and supported by, at least the porous surface layers of the dielectric.The gas-sensitive composite material is produced by a method com
4742012 Method of making graded junction containing amorphous semiconductor device May 3, 1988
This invention discloses a new semiconductor device having no step type p-i-n juctions but rather has a graded p-i-n juction. The semiconductor device shows a high photoelectric conversion efficiency, and since said device can be produced easily with good reproducibility by a plasma
4726851 Amorphous silicon semiconductor film and production process thereof February 23, 1988
This invention discloses an amorphous silicon semiconductor film comprising at least hydrogen, nitrogen, and oxygen as impurities and the method of producing it. The film is characterized in that the total quantity of nitrogen and oxygen in said film is at least 1 atom %. Since the film
4705714 Differentially crosslinked and oriented polyethylene film November 10, 1987
An oriented film is prepared by crosslinking a sheet of HDPE to provide maximum crosslinking at the surfaces of the sheet and minimum orientation at its middle layer portion, and thereafter heating and stretching the film to obtain an oriented HDPE of high clarity film of improved moistu
4663096 Apparatus and method of heating melt spinning head structure May 5, 1987
A melt spinning head structure is heated by use of a low melting point fusible alloy, preferably a binary-quaternary eutectic composition.

 
 
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