Patents Assigned to Hopnic Laboratory Co., Ltd.
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Patent number: 11524443Abstract: The method of the present invention for producing a shaped film includes a step of arranging a thermoplastic resin film to divide a space into a first space located on one surface side of the film, and a second space located on the other surface side, a step of heating the thermoplastic resin film, a step of curving the thermoplastic resin film in one space by using a difference in pressure between the first space and the second space, a step of stopping the curving step of the thermoplastic resin film in a state where at least a convex curved surface of both surfaces of the film is exposed into the space, and a step of cooling the curved film.Type: GrantFiled: February 24, 2017Date of Patent: December 13, 2022Assignees: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.Inventors: Hiroyuki Kamio, Yoshimitsu Aiiso
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Publication number: 20220112406Abstract: A functional layer with an adhesive layer of the present invention includes a functional layer and a curable adhesive layer AD2 arranged over at least apart of a surface of the functional layer, in which the curable adhesive layer AD2 satisfies all the following requirements (1) and (2). (1) In a case where 32 g of a steel ball is placed on an adhesive surface of the curable adhesive layer AD2 at 25° C. and kept as it is for 10 seconds, and then a glass plate is slowly tilted, the steel ball starts to roll at an angle of 5° or less. (2) After being cured at 90° C. for 2 hours, the curable adhesive layer AD2 satisfies a ratio (b/a) of a plastic deformation amount b to an elastic deformation amount a of 0.01 to 100 at 25° C. under a load of 0.1 mN.Type: ApplicationFiled: September 26, 2019Publication date: April 14, 2022Applicants: MITSUI CHEMICALS, INC., Hopnic Laboratory Co., Ltd.Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO, Hideki IMAMURA
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Publication number: 20210041599Abstract: The plastic polarizing lens of the present invention includes a polarizing film comprised of a thermoplastic resin; a first resin substrate composed of at least one layer stacked over a surface of the polarizing film which is located on an object-facing surface side; and a second resin substrate composed of at least one layer stacked over a surface of the polarizing film which is located on an eye-facing surface side, in which an organic colorant compound is included in at least one layer constituting the first resin substrate out of the first resin substrate and the second resin substrate, and the concentration of the organic colorant compound in the first resin substrate is higher than the concentration of the organic colorant compound in the second resin substrate.Type: ApplicationFiled: April 1, 2019Publication date: February 11, 2021Applicants: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.Inventor: Yoshimitsu AIISO
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Patent number: 10899094Abstract: A method of manufacturing a plastic lens includes: a step of putting a first curable composition over a forming surface of a first mold substrate having the forming surface for forming a lens surface; a step of spreading the first curable composition over the entire forming surface by pressing the composition with a film to form a first curable composition layer and separating the film from the first mold substrate by a predetermined distance through the formed first curable composition layer; a step of covering defined surfaces; a step of injecting a second curable composition into a defined location; a step of curing the first curable composition layer and the injected second curable composition; and a step of removing to obtain a plastic lens.Type: GrantFiled: January 14, 2016Date of Patent: January 26, 2021Assignees: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.Inventor: Yoshimitsu Aiiso
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Publication number: 20190061226Abstract: The method of the present invention for producing a shaped film includes a step of arranging a thermoplastic resin film to divide a space into a first space located on one surface side of the film, and a second space located on the other surface side, a step of heating the thermoplastic resin film, a step of curving the thermoplastic resin film in one space by using a difference in pressure between the first space and the second space, a step of stopping the curving step of the thermoplastic resin film in a state where at least a convex curved surface of both surfaces of the film is exposed into the space, and a step of cooling the curved film.Type: ApplicationFiled: February 24, 2017Publication date: February 28, 2019Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO
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Publication number: 20180050507Abstract: A method of manufacturing a plastic lens includes: a step of putting a first curable composition over a forming surface of a first mold substrate having the forming surface for forming a lens surface; a step of spreading the first curable composition over the entire forming surface by pressing the composition with a film to form a first curable composition layer and separating the film from the first mold substrate by a predetermined distance through the formed first curable composition layer; a step of covering defined surfaces; a step of injecting a second curable composition into a defined location; a step of curing the first curable composition layer and the injected second curable composition; and a step of removing to obtain a plastic lens.Type: ApplicationFiled: January 14, 2016Publication date: February 22, 2018Applicants: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.Inventor: Yoshimitsu AllSO
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Patent number: 9880402Abstract: A manufacturing method for a polyurethane based high refractive index polarizing lens comprising polyisocyanate and polythiol, that has no problems such as the generation of bubbles, and has excellent adhesiveness. A manufacturing method for high refractive index polarizing lenses including a process for forming lens layers comprising a polyurethane based polymer formed from polyisocyanate and polythiol on both surfaces of a polarizing film, characterized by using a polarizing film whereof the water content is 4.5 wt % or less as the aforementioned polarizing film.Type: GrantFiled: May 12, 2004Date of Patent: January 30, 2018Assignee: Hopnic Laboratory Co., LtdInventors: Yoshimitu Aiiso, Toshie Torii
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Publication number: 20170058089Abstract: Disclosed is a plastic polarized lens including a polarized film, and a base layer formed over at least one surface of the polarized film. The base layer is comprised of a (thio)urethane resin obtained by polymerizing and curing a polymerizable composition containing at least one kind of isocyanate selected from isophorone diisocyanate, bis(isocyanate cyclohexyl) methane, and bis(isocyanate methyl) cyclohexane, and an active hydrogen compound.Type: ApplicationFiled: August 6, 2015Publication date: March 2, 2017Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.Inventors: Toru MIURA, Norihiko AKUTSU
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Patent number: 8496859Abstract: A method of producing a plastic polarized lens with excellent processability and the like by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.Type: GrantFiled: May 17, 2011Date of Patent: July 30, 2013Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Patent number: 8187712Abstract: To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.Type: GrantFiled: February 6, 2009Date of Patent: May 29, 2012Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Akinori Ryu, Seiichi Kobayashi, Yoshimitsu Aiiso
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Publication number: 20110215493Abstract: A method of producing a plastic polarized lens with excellent processability and the like by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.Type: ApplicationFiled: May 17, 2011Publication date: September 8, 2011Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Patent number: 7967434Abstract: According to the present invention, there are provided a plastic polarized lens with excellent processability and the like, and a method of producing the same. The plastic polarized lens is obtained by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.Type: GrantFiled: August 6, 2007Date of Patent: June 28, 2011Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Patent number: 7790290Abstract: The present invention provides an intermediate film for use in laminated glass, comprising a resin composition containing polyvinyl butyral, a plasticizer and a neodymium compound having compatibility in both the plasticizer and a plasticized resin, where the neodymium compound is a neodymium salt of a polyvalent ester of a dicarboxylic or polycarboxylic acid wherein one carboxyl group is not esterified. The intermediate film is useful in producing a laminated glass.Type: GrantFiled: January 18, 2006Date of Patent: September 7, 2010Assignee: Hopnic Laboratory Co., Ltd.Inventors: Shunji Takagi, Yoshiharu Fujio
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Publication number: 20090202844Abstract: [Problems] To impart an antiglare effect to a laminated glass making use of a polyvinyl butyral resin as an intermediate film without coloring the same. [Means for Solving Problems] There is provided an intermediate film of laminated glass, comprised of a resin composition containing a polyvinyl butyral resin, a plasticizer and a neodymium compound compatible with plasticized resin. The neodymium compound is preferably a neodymium salt of one or more types of polyvalent ester monocarboxylic acids, or a mixed neodymium salt of a polyvalent ester monocarboxylic acid and an aliphatic or aromatic monocarboxylic acid.Type: ApplicationFiled: January 18, 2006Publication date: August 13, 2009Applicants: HOPNIC LABORATORY Co., Ltd., DAISCO CO., LTDInventors: Shunji Takagi, Yoshiharu Fujio
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Publication number: 20090201584Abstract: To provide a plastic polarized lens which is excellent in processability and the like as well as in adhesion property of the polarized film, and a method of producing the same. In the plastic polarized lens of the present invention, layers comprised of thiourethane-based resins obtained by reacting (A) isocyanate compounds with (B) active hydrogen compounds are stacked on both sides of a polarized film comprised of thermoplastic polyester formed under a predetermined temperature condition.Type: ApplicationFiled: February 6, 2009Publication date: August 13, 2009Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.Inventors: Akinori RYU, Seiichi Kobayashi, Yoshimitsu Aiiso
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Publication number: 20090202571Abstract: A compound of formula (1), or a pharmaceutically acceptable salt thereof, wherein: —Ar is a substituted heteroaryl group bearing at least one nitro or azido group or is a benzoquinone, naphthoquinone or fused heterocyloquinone; -R1 is hydrogen, optionally substituted alkyl, optionally substituted alkenyl, optionally substituted alkynyl, optionally substituted cycloalkyl, optionally substituted heterocycloalkyl, optionally substituted aryl or optionally substituted heteroaryl; -R2 is a glycoside, OH, optionally substituted alkyl, optionally substituted alkoxy, C2-C8 alkenyl, C1-C8 hydroxyalkyl, optionally substituted arylamino, optionally substituted aryl C1-C4 alkylamino or hydroxyalkylamino; and -R3 and R4 are each independently H or halo.Type: ApplicationFiled: September 26, 2005Publication date: August 13, 2009Applicants: HOPNIC LABORATORY CO., LTD., DAISO CO.,LTD.Inventors: Peter David Davis, Matthew Alexander Naylor, Peter Thomson, Steven Albert Everett, Michael Richard Lacey Stratford, Peter Wardman
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Patent number: 7506977Abstract: A plastic spectacles lens containing an organic dye instead of a neodymium compound and having an optical transmission equivalent to a plastic spectacles lens containing a neodymium compound is provided. The plastic spectacles lens comprises a plastic lens wafer formed from a thermosetting or thermoplastic resin, or the plastic lens wafer and one, or two or more component layers formed on at least one side of the plastic lens wafer, and an organic dye satisfying the specific conditions.Type: GrantFiled: April 18, 2008Date of Patent: March 24, 2009Assignee: Hopnic Laboratory Co., Ltd.Inventor: Yoshimitsu Aiiso
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Publication number: 20080036964Abstract: According to the present invention, there are provided a plastic polarized lens with excellent processability and the like, and a method of producing the same. The plastic polarized lens is obtained by injecting a mixture of a specified isocyanate compound and a specified active hydrogen compound into a lens-forming mold wherein a polarized film containing a thermoplastic polyester is fixed, followed by polymerization and curing.Type: ApplicationFiled: August 6, 2007Publication date: February 14, 2008Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.Inventors: Toru Miura, Yoshimitsu Aiiso
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Publication number: 20070058253Abstract: A manufacturing method for a polyurethane based high refractive index polarizing lens comprising polyisocyanate and polythiol, that has no problems such as the generation of bubbles, and has excellent adhesiveness. A manufacturing method for high refractive index polarizing lenses including a process for forming lens layers comprising a polyurethane based polymer formed from polyisocyanate and polythiol on both surfaces of a polarizing film, characterized by using a polarizing film whereof the water content is 4.5 wt % or less as the aforementioned polarizing film.Type: ApplicationFiled: May 12, 2004Publication date: March 15, 2007Applicant: Hopnic Laboratory Co. Ltd.Inventors: Yoshimitu Aiiso, Toshie Torii