Patents Assigned to Hopnic Laboratory Co., Ltd.
  • Patent number: 11524443
    Abstract: 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: Grant
    Filed: February 24, 2017
    Date of Patent: December 13, 2022
    Assignees: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.
    Inventors: Hiroyuki Kamio, Yoshimitsu Aiiso
  • Publication number: 20220112406
    Abstract: 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: Application
    Filed: September 26, 2019
    Publication date: April 14, 2022
    Applicants: MITSUI CHEMICALS, INC., Hopnic Laboratory Co., Ltd.
    Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO, Hideki IMAMURA
  • Publication number: 20210041599
    Abstract: 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: Application
    Filed: April 1, 2019
    Publication date: February 11, 2021
    Applicants: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.
    Inventor: Yoshimitsu AIISO
  • Patent number: 10899094
    Abstract: 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: Grant
    Filed: January 14, 2016
    Date of Patent: January 26, 2021
    Assignees: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.
    Inventor: Yoshimitsu Aiiso
  • Publication number: 20190061226
    Abstract: 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: Application
    Filed: February 24, 2017
    Publication date: February 28, 2019
    Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Hiroyuki KAMIO, Yoshimitsu AIISO
  • Publication number: 20180050507
    Abstract: 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: Application
    Filed: January 14, 2016
    Publication date: February 22, 2018
    Applicants: HOPNIC LABORATORY CO., LTD., MITSUI CHEMICALS, INC.
    Inventor: Yoshimitsu AllSO
  • Patent number: 9880402
    Abstract: 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: Grant
    Filed: May 12, 2004
    Date of Patent: January 30, 2018
    Assignee: Hopnic Laboratory Co., Ltd
    Inventors: Yoshimitu Aiiso, Toshie Torii
  • Publication number: 20170058089
    Abstract: 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: Application
    Filed: August 6, 2015
    Publication date: March 2, 2017
    Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.
    Inventors: Toru MIURA, Norihiko AKUTSU
  • Patent number: 8496859
    Abstract: 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: Grant
    Filed: May 17, 2011
    Date of Patent: July 30, 2013
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Patent number: 8187712
    Abstract: 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: Grant
    Filed: February 6, 2009
    Date of Patent: May 29, 2012
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Akinori Ryu, Seiichi Kobayashi, Yoshimitsu Aiiso
  • Publication number: 20110215493
    Abstract: 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: Application
    Filed: May 17, 2011
    Publication date: September 8, 2011
    Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Patent number: 7967434
    Abstract: 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: Grant
    Filed: August 6, 2007
    Date of Patent: June 28, 2011
    Assignees: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Patent number: 7790290
    Abstract: 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: Grant
    Filed: January 18, 2006
    Date of Patent: September 7, 2010
    Assignee: Hopnic Laboratory Co., Ltd.
    Inventors: Shunji Takagi, Yoshiharu Fujio
  • Publication number: 20090202844
    Abstract: [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: Application
    Filed: January 18, 2006
    Publication date: August 13, 2009
    Applicants: HOPNIC LABORATORY Co., Ltd., DAISCO CO., LTD
    Inventors: Shunji Takagi, Yoshiharu Fujio
  • Publication number: 20090201584
    Abstract: 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: Application
    Filed: February 6, 2009
    Publication date: August 13, 2009
    Applicants: MITSUI CHEMICALS, INC., HOPNIC LABORATORY CO., LTD.
    Inventors: Akinori RYU, Seiichi Kobayashi, Yoshimitsu Aiiso
  • Publication number: 20090202571
    Abstract: 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: Application
    Filed: September 26, 2005
    Publication date: August 13, 2009
    Applicants: 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
  • Patent number: 7506977
    Abstract: 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: Grant
    Filed: April 18, 2008
    Date of Patent: March 24, 2009
    Assignee: Hopnic Laboratory Co., Ltd.
    Inventor: Yoshimitsu Aiiso
  • Publication number: 20080036964
    Abstract: 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: Application
    Filed: August 6, 2007
    Publication date: February 14, 2008
    Applicants: Mitsui Chemicals, Inc., Hopnic Laboratory Co., Ltd.
    Inventors: Toru Miura, Yoshimitsu Aiiso
  • Publication number: 20070058253
    Abstract: 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: Application
    Filed: May 12, 2004
    Publication date: March 15, 2007
    Applicant: Hopnic Laboratory Co. Ltd.
    Inventors: Yoshimitu Aiiso, Toshie Torii