Patents Assigned to Sunstar K.K.
  • Patent number: 5190758
    Abstract: A sebaceous excitosecretory agent comprising at least one of undecylenic acid, its salts, its esters, and its amide derivatives as an active ingredient. A process for exciting secretion of sebum comprising the step of applying onto a skin surface the above sebaceous excitosecretory agent. The sebaceous excitosecretory agent has a long-lasting action to excite secretion of sebum.
    Type: Grant
    Filed: September 23, 1991
    Date of Patent: March 2, 1993
    Assignee: Sunstar K.K.
    Inventors: Yasunobu Kobayashi, Motonobu Matsumoto
  • Patent number: 5166233
    Abstract: A soft film applicable to the oral mucosa and a drug preparation comprising said film are disclosed, the film comprising a homogeneous mixture comprising a vinyl acetate homopolymer, an acrylic acid polymer, and a cellulose derivative capable of being dissolved in or swollen with water and a lower alcohol. The film or preparation is less causative of an adverse feeling on application to the oral mucosa, excellent in shape retention on water absorption, and adhesive to the oral mucosa for an extended period of time.
    Type: Grant
    Filed: January 31, 1990
    Date of Patent: November 24, 1992
    Assignees: Nitto Denko Corporation, Sunstar K.K.
    Inventors: Takamasa Kuroya, Yuichi Inoue
  • Patent number: 5078987
    Abstract: A substantially non-aqueous iodine microbicide composition comprising (a) a povidone-iodine in an amount of from 0.0005% to 1.0% by weight based on the total amount of the composition, and (b) a solvent comprising a lower alcohol having from 1 to 3 carbon atoms or a mixture of a lower alcohol having from 1 to 3 carbon atoms and a non-hydrated polyhydric alcohol, and an aerosol-type iodine microbicide composition containing the iodine microbicide composition.
    Type: Grant
    Filed: July 9, 1990
    Date of Patent: January 7, 1992
    Assignee: Sunstar K.K.
    Inventors: Yoshiaki Nakamura, Ryoichi Fujibayashi, Yuji Murakami
  • Patent number: 5078989
    Abstract: A cosmetic comprising a compound represented by formula (I) is disclosed: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4, which may be the same or different, each represents a hydrogen atom or CH.sub.3 (CH.sub.2).sub.3 (CH.sub.2 CH.dbd.CH).sub.2 (CH.sub.2).sub.7 CO--, provided that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is not a hydrogen atom.
    Type: Grant
    Filed: March 28, 1990
    Date of Patent: January 7, 1992
    Assignee: Sunstar K.K.
    Inventors: Hideya Ando, Mitsuaki Shimizu, Akira Hashimoto, Hisatoya Kato, Yoshitsugu Ozasa
  • Patent number: 4564462
    Abstract: A menthol soap comprising a soap base, menthol, a crack-preventing agent, and a solvent for said menthol.The menthol soap of the present invention gives a superior cold or refreshing feeling when applied on the skin. Furthermore, this menthol soap has such advantages that menthol crystals do not grow and come out to the surface of the soap during the storage of use thereof, and cracks do not develop in the soap.
    Type: Grant
    Filed: June 8, 1984
    Date of Patent: January 14, 1986
    Assignees: Takasago Perfumery Co., Ltd., Sunstar K.K.
    Inventors: Hajime Watanabe, Yoshio Tanaka, Seiichi Abe