Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
【発明の名称】ポリイソシアネート化合物及びその製造方法
Document Type and Number:
Japanese Patent JP2997244
Kind Code:
B1
More Like This:
JP2001124903PHOTO-CURABLE PLASTIC LENS
JP2004511578Optical resin composition containing thiol-emprepolymer
JPH11511765[Title of the Invention] A photochromic product having temperature stability and sunlight resistance.
Inventors:
Yoshitaka Kitahara
Ken Kang
Application Number:
JP21357098A
Publication Date:
January 11, 2000
Filing Date:
July 29, 1998
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
Hoya Co., Ltd.
International Classes:
G02B1/04; C07C319/14; C07C319/20; C07C323/25; C08G18/38; C08G18/77; (IPC1-7): C07C323/25; C07C319/14; C07C319/20; G02B1/04
Domestic Patent References:
JP665193A
Attorney, Agent or Firm:
Shizuo Nakamura



 
Previous Patent: セメント混和剤

Next Patent: 三次元形状計測装置及びパターン光投影装置