Patents by Inventor Fumie Watari

Fumie Watari has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Optical resin obtained from diethylenically unsaturated monomer
    Patent number: 5225508
    Abstract: Disclosed are a diethylenicallyunsaturated monomer represented by the following formula [Ia]: ##STR1## wherein n is an integer of from 1 to 10, and a and b each represent 0 or an integer of from 1 to 4,and an optical resin which is substantially insoluble and infusible and has a refractive index .eta..sub.D of at least 1.62, and which is obtained by polymerizing a monomer comprising 50 to 100% by weight of this diethylenically unsaturated monomer.
    Type: Grant
    Filed: June 5, 1991
    Date of Patent: July 6, 1993
    Assignee: Mitsubishi Petrochemical Company Limited
    Inventors: Yutaka Tamura, Fumie Watari
  • Resin for high-refraction lens containing a sulfur-containing aromatic(meth)acrylate and a mercapto compound
    Patent number: 5191061
    Abstract: A cured resin for high-fraction lenses is disclosed, which is obtained by polymerizing a composition comprising (A) from 70 to 99 parts by weight of a sulfur-containing aromatic (meth)acrylate represented by formula (I): ##STR1## wherein R.sup.1 represents a hydrogen atom or a methyl group; R.sup.2 represents an alkylene group; Ar represents an arylene group, an arylene group substituted with a halogen atom except a fluorine atom, an aralkylene group, or an aralkylene group substituted with a halogen atom except a fluorine atom; X represents --O-- or --S--; Y represents --S-- or --SO.sub.2 -- when X is --O--, or Y represents --S--, --SO.sub.
    Type: Grant
    Filed: October 18, 1991
    Date of Patent: March 2, 1993
    Assignee: Misubishi Petrochemical Co., Ltd.
    Inventors: Yukihito Zanka, Seiichiro Hayakawa, Tsutomu Isaka, Fumie Watari