Patents Assigned to Nippon Carbide Industries Co., Ltd.
  • Divinyl-ether compound and manufacturing method therefor
    Patent number: 9133090
    Abstract: A novel divinyl ether compound having the formula (I): wherein A indicates a single bond or a double bond which is low in odor, low in volatility, and low in skin irritability, which have low toxicities, which are useful as a starting material for a polymer composition having excellent curability, adhesiveness and transmission in the ultraviolet light region, and further, having a special reactivity alone or with other compounds, and a process for producing the same.
    Type: Grant
    Filed: October 6, 2011
    Date of Patent: September 15, 2015
    Assignee: NIPPON CARBIDE INDUSTRIES CO., LTD.
    Inventors: Youichi Fukunishi, Masahiro Murotani
  • Method for producing vinyl ether
    Patent number: 9000228
    Abstract: A method for efficiently producing high purity vinyl ether represented by the following formula (1) from tertiary alcohol having a low reactivity comprising by reacting acetylene and a tertiary alcohol in the presence of a base using, as a solvent, a cyclic urea compound or glyme compound or mixture thereof: is provided.
    Type: Grant
    Filed: May 28, 2010
    Date of Patent: April 7, 2015
    Assignee: Nippon Carbide Industries Co., Ltd.
    Inventors: Shinichi Kakinuma, Shinya Mita, Masahiro Murotani
  • Thiocarbonyl compound and process for producing polymer using same and that polymer
    Patent number: 8796386
    Abstract: A thiocarbonyl compound represented by the following formula (a) is useful as a RAFT agent. By using this, a process for producing a polymer having a excellent reactivity or monomer conversion rate and its polymer are provided.
    Type: Grant
    Filed: April 13, 2010
    Date of Patent: August 5, 2014
    Assignee: Nippon Carbide Industries Co., Ltd.
    Inventors: Naoki Musashi, Atsushi Shibata, Noboru Yamagata
  • Vinylozy group-containing vinyl polymer
    Patent number: 8785582
    Abstract: A vinyloxy group-containing vinyl polymer, useful as a heat or light curing reactive prepolymer, containing at least a constituent unit expressed by the following formula (I):
    Type: Grant
    Filed: September 28, 2009
    Date of Patent: July 22, 2014
    Assignee: Nippon Carbide Industries Co., Ltd.
    Inventors: Takuma Hojo, Kyoko Yamamoto, Hiroki Fujiwara, Kazuhiko Atsumi, Take-aki Mitsudo