2001 patents
Page 10 of 101
Utility
Hydroxypropyl methyl cellulose acetate succinate and method for producing the same
12 Sep 23
There is provided a method for producing hydroxypropyl methyl cellulose acetate succinate (HPMCAS), including an esterification step of reacting hydroxypropyl methyl cellulose with an acetylating agent and a succinoylating agent in the presence of an aliphatic carboxylic acid in a kneader reactor equipped with two or more stirring blades rotating around their own axes and orbitally revolving, to obtain a reaction product solution containing HPMCAS; a precipitation step of precipitating the HPMCAS by mixing the reaction product solution with water to obtain a suspension of the precipitated HPMCAS; and a washing and recovery step of washing the HPMCAS in the suspension and recovering the washed HPMCAS.
Taishi Kitaguchi, Junichi Matsubara, Mitsuhiro Yoshida
Filed: 29 Oct 20
Utility
Diamond substrate and method for manufacturing the same
12 Sep 23
A method for manufacturing diamond substrate of using source gas containing hydrocarbon gas and hydrogen gas to form diamond crystal on an underlying substrate by CVD method, to form a diamond crystal layer having nitrogen-vacancy centers in at least part of the diamond crystal, nitrogen or nitride gas is mixed in the source gas, wherein the source gas is: 0.005 volume % or more and 6.000 volume % or less of the hydrocarbon gas; 93.500 volume % or more and less than 99.995 volume % of the hydrogen gas; and 5.0×10−5 volume % or more and 5.0×10−1 volume % or less of the nitrogen gas or the nitride gas, and the diamond crystal layer having the nitrogen-vacancy centers is formed.
Hitoshi Noguchi, Norio Tokuda, Tsubasa Matsumoto
Filed: 16 Nov 20
Utility
Synthetic quartz glass cavity member, synthetic quartz glass cavity lid, optical device package, and making methods
12 Sep 23
A synthetic quartz glass cavity member (1) is bonded to a substrate (6) having an optical device (7) mounted thereon such that the device may be accommodated in the cavity member.
Harunobu Matsui, Daijitsu Harada, Daiyu Okafuji, Hiroyuki Yamazaki, Masaki Takeuchi
Filed: 15 Jul 22
Utility
a Method for Producing Quantum Dots
7 Sep 23
The present invention is a method for producing perovskite type quantum dots, wherein, using a plurality of precursor solutions each containing a different element, each of the plurality of precursor solutions is heated and sprayed as an aerosol of the precursor solution, and the plurality of aerosols are collided to cause a gas phase reaction, dropping in a solvent to synthesize core particles containing the different elements.
Yoshihiro NOJIMA, Shinji AOKI, Kazuya TOBISHIMA
Filed: 6 May 21
Utility
Optical Fiber Glass Preform and Method for Manufacturing Optical Fiber Glass Preform
7 Sep 23
Provided is an optical fiber glass preform in which a starting rod and a dummy glass are hardly separated from each other, and a method for manufacturing the glass preform.
Ryo MITTA
Filed: 12 May 23
Utility
Composition for Forming Metal Oxide Film, Patterning Process, and Method for Forming Metal Oxide Film
7 Sep 23
Naoki Kobayashi, Daisuke Kori, Toshiharu Yano
Filed: 7 Feb 23
Utility
Resist Composition and Patterning Process
7 Sep 23
Teppei ADACHI, Shinya YAMASHITA, Masaki OHASHI, Tomohiro KOBAYASHI, Kenichi OIKAWA, Takayuki FUJIWARA
Filed: 15 May 23
Utility
Composition for Forming Organic Film, Patterning Process, and Compound
7 Sep 23
Daisuke KORI, Shohei Iwamori
Filed: 15 Feb 23
Utility
Piezoelectric Composite Substrate and Method for Manufacturing Same
7 Sep 23
Provided are a piezoelectric substrate and a manufacturing method thereof, by which bonding strength enough for forming a piezoelectric layer on an insulating substrate having a significantly small linear expansion coefficient can be obtained through ion implantation even by heat treatment at 100° C. or less.
Kazutoshi NAGATA
Filed: 28 Apr 21
Utility
Kinetic resolution reaction of a (1RS,2SR)-(2-hydroxy-3,5,5-trimethyl-3-cyclopentenyl)methyl carboxylate compound, a process for preparing optically active trans-α-necrodyl isobutyrate, and a process for preparing optically active γ-necrodyl isobutyrate
5 Sep 23
Tomohiro Watanabe, Takeshi Kinsho, Takeru Watanabe, Miyoshi Yamashita, Yusuke Nagae
Filed: 21 Jan 22
Utility
Organosiloxane compound and surface treatment agent
5 Sep 23
Seiya Mori, Ryusuke Sakoh
Filed: 22 Nov 18
Utility
Resin composition, wavelength conversion material, wavelength conversion film, LED device, backlight unit, and image display apparatus
5 Sep 23
A resin composition containing a base resin and quantum dots that are crystalline nanoparticle phosphors, the base resin containing a fluorine-containing resin.
Yoshihiro Nojima, Shinji Aoki, Kazuya Tobishima
Filed: 15 Oct 19
Utility
Personal Care Composition and Usage Method Thereof
31 Aug 23
It is an object of the present invention to provide a personal care composition having not only a low environmental impact and a good skin feel but also a high cleansing property.
Takane SUDO, Yasuyuki HIRAMA, Shingo NIINOBE
Filed: 16 Mar 23
Utility
Planarizing Agent for Forming Organic Film, Composition for Forming Organic Film, Method for Forming Organic Film, and Patterning Process
31 Aug 23
The present invention is a planarizing agent for forming an organic film, including an aromatic-group-containing compound having a molecular weight represented by a molecular formula of 200 to 500, wherein a blended composition that includes the planarizing agent and a preliminary composition containing an organic film-forming resin and a solvent, and having a complex viscosity of 1.0 Pa·s or more in a temperature range of 175° C. or higher has a temperature range in which a complex viscosity of the blended composition is less than 1.0 Pa·s in a temperature range of 175° C. or higher.
Yasuyuki YAMAMOTO, Kenta ISHIWATA, Toshiharu YANO, Tsutomu OGIHARA
Filed: 23 Feb 23
Utility
Electromagnetic Wave Shielding Sheet
31 Aug 23
Provided is a cured or uncured electromagnetic wave shielding sheet with a carbon nanotube unwoven cloth having a thickness of not larger than 1 mm being impregnated with a resin and/or with the resin being laminated thereon, the sheet exhibiting a superior electromagnetic wave shielding performance with respect to millimeter waves and terahertz waves.
Shinji ABE, Toshio SHIOBARA
Filed: 22 Feb 23
Utility
Processes for preparing a (1,2-dimethyl-3-methylenecyclopentyl)acetate compound and (1,2-dimethyl-3-methylenecyclopentyl)acetaldehyde
22 Aug 23
Miyoshi Yamashita, Takeru Watanabe, Takeshi Kinsho
Filed: 6 Jun 22
Utility
Method for preparing halosilane compounds
22 Aug 23
A halosilane compound: R1CH2CH2SiR52X is prepared by hydrosilylation reaction of a vinyl compound: R1CH═CH2 with a halogenodiorganosilane compound having formula: HSiR52X in the co-presence of an iridium catalyst, an internal olefin compound, and an allyl halide.
Koichi Nakazawa, Takahiro Kojima, Ayumu Kiyomori
Filed: 1 Apr 22
Utility
Silicone adhesive composition, adhesive tape, adhesive sheet and double-sided adhesive sheet
22 Aug 23
Provided is a silicone adhesive composition having (A) a condensation product of a linear or branched diorganopolysiloxane having a silicon atom-bonded hydroxy group and/or a silicon atom-bonded alkoxy group having 1 to 10 carbon atoms at a terminal and having no alkenyl group, a linear or branched diorganopolysiloxane having at least two alkenyl groups, and an organopolysiloxane comprising an R13SiO0.5 unit and an SiO2 unit and having a silicon atom-bonded hydroxy group and/or a silicon atom-bonded alkoxy group having 1 to 6 carbon atoms, (B) an organohydrogenpolysiloxane having at least three SiH groups and an average polymerization degree of 80 or less in an amount of 0.1 to 5 parts by mass, relative to 100 parts by mass of component (A), and (C) a platinum group metal catalyst in a catalytic amount.
Ken Nakayama, Yasuyoshi Kuroda
Filed: 15 Oct 18
Utility
Resist composition and patterning process
22 Aug 23
Jun Hatakeyama
Filed: 12 Jan 21
Utility
Method for Producing a Gallium Oxide Semiconductor Film and a Film Forming Apparatus
17 Aug 23
A method for producing a gallium oxide semiconductor film by a mist CVD method, including, a mist-forming step in which a raw material solution containing gallium is misted in a mist-forming unit to generate mist, a carrier gas supply step of supplying a carrier gas for transferring the mist to the mist-forming unit, a transferring step of transferring the mist from the mist-forming unit to a film forming chamber using the carrier gas via a supply pipe connecting the mist-forming unit and the film forming chamber, a rectification step of rectifying flow of the mist and the carrier gas supplied to a surface of a substrate in the film forming chamber so as to flow along the surface of the substrate, a film forming step of heat-treating the rectified mist to form a film on the substrate, and an exhaust step of exhausting waste gas upward from the substrate.
Takenori WATABE
Filed: 17 May 21