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:
Jun. 07, 1977
Filed:
Sep. 12, 1975
Shigeo Wake, Niihama, JA;
Mikio Futagami, Niihama, JA;
Sumitomo Chemical Company, Limited, Osaka, JA;
Abstract
A coating composition useful for improving the surface properties, such as surface hardness and chemical resistance, of plastic products, wooden products, metallic products, or the like, which comprises (A) silicon compounds partial hydrolyzates comprising a partial hydrolyzate of a tetraalkoxysilane and a partial hydrolyzate of an organic silicon compound of the formula: R.sub.n Si(OR').sub.4.sub.-n wherein R is a hydrocarbon group, R' is an alkyl and n is 1 or 2, and (B) an acrylic copolymer and an etherated methylolmelamine, which are dissolved in a solvent. The coating composition can give a transparent coating film having excellent hardness, water resistance, boiling water resistance, chemical resistance, heat cycle resistance and weatherability, and further antistatic properties onto the formed products.