| Patent Number |
Title Of Patent |
Date Issued |
| 7268196 |
Process for producing cycloolefin addition polymer |
September 11, 2007 |
| A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic activity. The process |
| 7241847 |
Process for producing cycloolefin addition polymer |
July 10, 2007 |
| A process for producing a cycloolefin addition polymer in which one or more cycloolefin monomers can be (co)polymerized by addition polymerization with a small palladium catalyst amount to produce a cycloolefin addition (co)polymer while attaining high catalytic activity. The process |
| 7112460 |
Semiconductor laser device, production method therefor, and jig for use in the production method |
September 26, 2006 |
| A semiconductor laser device includes a semiconductor substrate on which a semiconductor thin film including an active layer is lamineted, a pair of electrodes respectively provided on opposite faces of the substrate, a light emitting surface defined on a side face of the substrate to wh |
| 7065116 |
Semiconductor laser element and manufacturing method for the same |
June 20, 2006 |
| A semiconductor laser element comprising: a clad layer of a first conductivity type; an active layer; a first clad layer of a second conductivity type; a ridge made of a second clad layer of the second conductivity type and a cap layer of the second conductivity type, which are layer |
| 7056999 |
Cycloolefin copolymer formed by ring-opening polymerization, process for producing the same, and |
June 6, 2006 |
| Disclosed herein are a ring-opened cycloolefin copolymer excellent in optical properties such as transparency, low in water (moisture) absorption property, high in affinity for other materials, good in post processing properties such as adhesive property and printability, and excelle |
| 7015293 |
Cycloolefin addition copolymer and optical transparent material |
March 21, 2006 |
| A cyclic olefin addition copolymer obtained by copolymerizing a cyclic olefin compound having a side chain substituent group with a ring structure, such as endo-tricyclo[4.3.0.1.sup.2,5]deca-3,7-diene or endo-tricyclo[4.3.0.1.sup.2,5]deca-3-ene, with another cyclic olefin compound su |
| 6992154 |
Cyclic olefin addition copolymer and process for producing same, crosslinking composition, cross |
January 31, 2006 |
| The present invention provides a cyclic olefin addition copolymer which has a reactive silyl group having a specific structure, excels in optical transparency, heat resistance, and adhesion, and is capable of producing a crosslinked product having improved dimensional stability, solvent |
| 6911507 |
Processes for producing cycloolefin addition polymer |
June 28, 2005 |
| A cyclic olefin having a specific polar group is polymerized by addition polymerization in a hydrocarbon solvent, using a polymerization catalyst component containing (i) a specific transition metal compound, (ii) a Lewis acid compound and (iii) an alkyl aluminoxane, or the cyclic olefin |
| 6879620 |
Laser bar locking apparatus |
April 12, 2005 |
| A semiconductor laser chip has an active layer, an allover electrode forming a lower face of the laser chip and a light emitting end surface of the laser chip. A Si thin film is formed on the light emitting end surface of the laser chip. An upper Si thin film is formed on an upper portio |
| 6844403 |
CYCLIC OLEFIN ADDITION COPOLYMER AND PROCESS FOR PRODUCING SAME, CROSSLINKING COMPOSITION, CROSS |
January 18, 2005 |
| The present invention provides a cyclic olefin addition copolymer which has a reactive silyl group having a specific structure, excels in optical transparency, heat resistance, and adhesion, and is capable of producing a crosslinked product having improved dimensional stability, solvent |
| 6826218 |
Semiconductor laser device capable of suppressing leakage current in a light emitting end surfac |
November 30, 2004 |
| For evaporating a protective coating on a light emitting end surface 51a of a laser chip 51, there is formed first an Si film 52a, which is free from generation of oxygen due to decomposition. Thus, there is created a coating in the vicinity of the light emitting end surface 51a immediat |
| 6790914 |
Resin film and applications thereof |
September 14, 2004 |
| A film for a display device produced by using a transparent (crosslinked) resin film formed of a composition including a cyclic olefin addition copolymer of the present invention has optical transparency, heat resistance, liquid crystal resistance, dimensional stability, and adhesion |
| 6732540 |
Air conditioning plant and control method thereof |
May 11, 2004 |
| Provided are an air conditioning plant control method by which an air conditioning plant can be operated in a most desirable state, and an air conditioning plant so controlled. An air conditioning plant is controlled, which has at least one air conditioner, a refrigerating machine supply |
| 6710375 |
Semiconductor laser device, manufacturing method thereof |
March 23, 2004 |
| A semiconductor laser chip has an active layer, an allover electrode forming a lower face of the laser chip and a light emitting end surface of the laser chip. A Si thin film is formed on the light emitting end surface of the laser chip. An upper Si thin film is formed on an upper portio |
| 6639021 |
Composition of cyclic olefin addition copolymer and cross-linked material |
October 28, 2003 |
| A composition comprising a cyclic olefin addition copolymer containing recurring units of the following formulas (1) and (2), ##STR1##and at least one compound selected from (A) a compound acting as an acid when heated to 50.degree. C. or higher, (B) a metal compound of an alkoxy com |
| 6403742 |
Olefin copolymer having functional group, production process thereof and rubber composition |
June 11, 2002 |
| An olefin copolymer having a functional group and having a structural unit (a) derived from ethylene, a structural unit (b) derived from an .alpha.-olefin having 3 to 12 carbon atoms, and a structural unit (c) derived from a cycloolefin, exhibits an intrinsic viscosity [.eta.] of 0.1 |
| 5731129 |
Photosensitive resin composition comprising a carboxyl group-containing diene copolymer and a hy |
March 24, 1998 |
| A water-developable photosensitive resin composition which exhibits a small swelling, small reduction in strength and small dimension change when developed with water and which has an excellent balance of characteristics. Said composition comprises (1) a oarboxyl group-containing die |
| 5206301 |
Hydrogenated block copolymer and composition comprising the same |
April 27, 1993 |
| A hydrogenated block copolymer having a number-average molecular weight of 40,000-700,000, obtained by hydrogenating at least 80% of the olefinic bonds of a block copolymer having in the molecule at least one each ofa polymer block A composed of 90% by weight or more of a vinyl aromatic |
| 5202388 |
Process for producing hydrogenation product of ring-opening polymer |
April 13, 1993 |
| A process for producing a hydrogenation product of ring-opening polymer by hydrogenating, in the presence of a hydrogenation catalyst, the non-aromatic carbon-to-carbon double bond present in a ring-opening polymer obtained by subjecting to ring-opening polymerization at least one no |
| 5164450 |
Butadiene copolymer rubber composition |
November 17, 1992 |
| Disclosure is herein made of a rubber composition containing at least 30% by weight of a butadiene copolymer which is characterized in that: (i) the content of vinyl bonds in a polybutadiene portion is from 40 to 70%; (ii) the content of bound vinyl aromatic compound is from 25 to 50% by |
| 5159014 |
Thermoplastic elastomer composition and rubber parts of refrigerator having a layer composed of |
October 27, 1992 |
| A thermoplastic elastomer composition comprising (a) 20 to 70 parts by weight of a polyamide and (b) 80 to 30 parts by weight of a butyl rubber modified with a functional-group-containing compound having at least one group selected from a carboxyl group, an acid anhydride group and an ep |
| 5017636 |
Rubber compositions from modified trans-polybutadiene and rubber for tires |
May 21, 1991 |
| A rubber composition for tire having improved processability, wear resistance, rebound resilience and heat build-up comprises 20.about.70 parts by weight of a specified butadiene polymer, 30.about.80 parts by weight of at least one rubber selected from natural rubber, high cis-1,4 po |
| 5011888 |
Vulcanized rubber composition |
April 30, 1991 |
| A rubber composition is disclosed which contains not less than 20% by weight in a rubber component of a block copolymer composed of polymer or copolymer block units (A) and a random copolymer block units (B). The polymer or copolymer block units (A) are obtained by singly polymerizing a |
| 4933401 |
Catalyst composition for polymerization of conjugated diene and process for producing conjugated |
June 12, 1990 |
| A catalyst composition for polymerizing a conjugated diene which comprises the following (a), (b) and (c) components:(a) an organolithium-aluminum compound represented by the formula:(b) an organobarium-aluminum compound represented by the formula:(c) a lithium alkoxide represented by the formul |
| 4894409 |
Rubber composition |
January 16, 1990 |
| A rubber composition comprising not less than 20% by weight of an amino group-containing diene based polymer in a rubber component, and 10 to 100 parts by weight of silica as a filler with respect to 100 parts by weight of the rubber component. The amino group-containing diene based poly |
| 4866131 |
Rubber composition for high-performance tire tread |
September 12, 1989 |
| Disclosed is a novel rubber composition for the treads of high-performance tires including racing tires. The elastomer component of the rubber composition consists essentially of 10-60 wt % of a low molecular weight copolymer of an aliphatic diene, e.g. butadiene, and an aromatic vinyl |
| 4835216 |
Conjugated diene series rubber compositions |
May 30, 1989 |
| A conjugated diene series rubber composition comprises, as a rubber component, (a) 20.about.100% by weight of a particular conjugated diene polymer and (b) a diene polymer rubber except for the polymer (a) and is excellent in the processability at unvulcanized state and the rebound r |
| 4824908 |
Butadiene-based rubber composition |
April 25, 1989 |
| A butadiene-based rubber composition is disclosed, which contains not less than 20% by weight of a butadiene-based homopolymer or copolymer having a glass transition temperature (Tg) of not less than -105.degree. C., but less than -70.degree. C. and a Mooney viscosity (ML.sub.1+4, 100.de |
| 4812525 |
Polybutadiene rubber composition |
March 14, 1989 |
| A rubber composition is disclosed which contains, as a rubber component, 20-100% by weight of (A) polybutadiene polymerized by using a lithium initiator and 80 to 0% by weight of (B) another rubber component. The polybutadiene has the following physical properties (i)-(v):(i) The molecul |
| 4791178 |
Rubber composition for use in tire tread comprising a rubber component, carbon black and process |
December 13, 1988 |
| A rubber composition for use in tire is disclosed which contains at least 30% by weight, relative to the entire rubber component, of a conjugated diene-monovinyl aromatic hydrocarbon copolymer which uses an organic lithium compound as an initiator. A percentage of vinyl bonds in conj |
| 4782119 |
Rubber composition comprising a styrene-butadiene block copolymer having two kinds of blocks |
November 1, 1988 |
| A rubber composition containing at least 20% by weight of a styrene-butadiene block copolymer consisting of a block (A) and a block (B) characterized in that: (i) the block (A) is a styrene-butadiene copolymer block having the content of styrene of 10-80% by weight and the average co |
| 4742124 |
Rubber composition for use in tire |
May 3, 1988 |
| YA rubber composition for use in tire having improved rolling resistance, wet skid resistance and processability is disclosed, which comprises at least 20% by weight of a conjugated diolefin-vinyl-substituted aromatic hydrocarbon random copolymer. This random copolymer is produced by |
| 4742117 |
Conjugated diene based rubber composition |
May 3, 1988 |
| A rubber composition containing not less than 20% of a conjugated diene based polymer or copolymer. The polymer or copolymer is obtained by polymerizing a conjugated diene or copolymerizing the conjugated diene with at least one kind of other conjugated diene and an aromatic vinyl co |
| 4739011 |
Thermoplastic resin composition |
April 19, 1988 |
| A thermoplastic resin composition obtainable by blending 100 parts by weight of a mixture consisting of(A) 75 to 40% by weight of a propylene polymer,(B) 20 to 40% by weight of an ethylene-alpha-olefin copolymer, and(C) 5 to 30% by weight of a graft copolymer obtained by copolymerizing an ar |
| 4603722 |
Tire tread comprised of branched styrene-butadiene copolymers |
August 5, 1986 |
| A branched styrene-butadiene copolymer and a pneumatic tire using the same as a tread base rubber are disclosed. This copolymer is produced by coupling an active styrene-butadiene copolymer anion, which is obtained by polymerizing styrene and butadiene in a hydrocarbon solvent in the |
| 4603155 |
Alkenyl aromatic compound-conjugated diene block copolymer and process for the production thereo |
July 29, 1986 |
| An alkenyl aromatic compound-conjugated diene block copolymer having a combined alkenyl aromatic compound content of 25-95% by weight, characterized in that said copolymer is represented by the formula,wherein A represents an alkenyl aromatic compound polymer block, the total amount of A |
| 4575534 |
Styrene-butadiene copolymer rubber composition |
March 11, 1986 |
| Disclosed herein is a rubber composition comprising at least 20% by weight of styrene-butadiene copolymer based on the total weight of the rubber content. The styrene-butadiene copolymer is obtained by randomly copolymerizing styrene with 1,3-butadiene in a hydrocarbon solvent in the |
| 4540744 |
Butadiene-base polymer and a process for producing the same |
September 10, 1985 |
| A butadiene-base polymer containing a branched polymer through tin-carbon bond and a process for producing the same are disclosed. The butadiene-base polymer is produced by polymerizing 1,3-butadiene alone or 1,3-butadiene and aromatic vinyl compound in a hydrocarbon solvent in the p |
| 4526934 |
Branched styrene-butadiene copolymers and pneumatic tires using the same |
July 2, 1985 |
| A branched styrene-butadiene copolymer and a pneumatic tire using the same as a tread base rubber are disclosed. This copolymer is produced by coupling an active styrene-butadiene copolymer anion, which is obtained by polymerizing styrene and butadiene in a hydrocarbon solvent in the |
| 4519431 |
Styrene-butadiene copolymers with high styrene content |
May 28, 1985 |
| A styrene-butadiene copolymer having a high styrene content is disclosed, which is obtained by polymerizing styrene and butadiene in a hydrocarbon solvent in the presence of an organolithium compound and, if necessary, a Lewis base and then coupling with a tin halide compound. This copol |
| 4039491 |
Novel copolymer and process for producing same |
August 2, 1977 |
| A novel copolymer is obtained by reacting [A] at least one norbornene derivative having at least one polar group or polar-group-containing substituent with [B] at least one unsaturated polymer having carbon-to-carbon double bonds in the presence of a metathesis catalyst. This copolym |
