The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 15, 1977
Filed:
Jun. 17, 1974
Applicant:
Inventors:
Masahiro Segawa, Iwaki, JA;
Mitsuo Onozuka, Yokohama, JA;
Ichiroh Ishibashi, Iwaki, JA;
Shinsuke Yoshikawa, Iwaki, JA;
Shigeru Saitoh, Iwaki, JA;
Assignee:
Kureha Kagaku Kogyo Kabushiki Kaisha, Tokyo, JA;
Primary Examiner:
Int. Cl.
CPC ...
A61N / ; G02B / ; C08F / ;
U.S. Cl.
CPC ...
128362 ; 350-1 ; 3501 / ; 428339 ; 428338 ; 428910 ; 428918 ; 428421 ; 428422 ; 428332 ; 128372 ;
Abstract
A melt-molded polyvinylidene fluoride or polymonochlorotrifluoroethylene sheet having a thickness of about 20 .mu. to 2 mm and a spherulite size of less than about 10 .mu., whereby the sheet transmits more than about 40% of the dorno rays in a wavelength region of about 2,800 to 3,300 A, and a sun room using as a light admitting plate a sheet or plate of the polyvinylidene fluoride or the polymonochlorotrifluoroethylene permitting transmission of the physiologically active rays in sunlight.