Patents Assigned to Nihon Yushi Co., Ltd.
  • 1,1-Bis(tert-butylperoxy)cyclododecane
    Patent number: 4093786
    Abstract: 1,1-BIS(TERT-BUTYLPEROXY)CYCLODODECANE DERIVED FROM CYCLODODECANONE AND TERT-BUTYLHYDROPEROXIDE HAS THE FORMULA ##STR1## and is a new, stable and solid compound particularly suitable as a crosslinking agent of polymeric materials.
    Type: Grant
    Filed: October 17, 1975
    Date of Patent: June 6, 1978
    Assignee: Nihon Yushi Co., Ltd.
    Inventors: Takeshi Komai, Masaru Matsushima, Takeshi Nakajima
  • Process for curing unsaturated resins
    Patent number: 4042646
    Abstract: A process for curing unsaturated polyester resins in a very short time at a low temperature using .beta.-amino-.alpha., .beta.-unsaturated ketone and peroxide containing hydroperoxy group without the presence of metallic salt.The product thus obtained is not colored.
    Type: Grant
    Filed: August 27, 1975
    Date of Patent: August 16, 1977
    Assignee: Nihon Yushi Co., Ltd.
    Inventors: Koji Edamura, Yoshimasa Nakagawa, Yoshitaka Ikeda