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:
Jan. 03, 1984
Filed:
Apr. 06, 1982
Toshihiro Yotsumoto, Higashimurayama, JP;
Kazuo Koyama, Sayama, JP;
Bridgestone Tire Company Limited, Tokyo, JP;
Abstract
An adhesive having a high adhesive strength and capable of bonding firmly polyester fibrous material with rubber is disclosed, which comprises a mixture of components A and B in a mixing ratio of A/B of 100/5-100/30, said component A being formaldehyde condensate obtained by reacting formaldehyde with one member selected from the following members (1)-(4): (1) a mixture of resorcin with one of m-cresol, m-methoxyphenol, 3,5-xylenol and m-xylene, (2) a mixture of 5-methylresorcin with m-cresol or with m-methoxyphenol, (3) a mixture of m-cresol with p-chlorophenol and (4) m-cresol, and having substantially an average molecular weight of 300-600; and said component B being one member selected from the following members (5)-(7); (5) a formaldehyde condensate obtained by reacting formaldehyde with one of 3,5-xylenol, m-t-butylphenol and a mixture of m-cresol with m-t-butylphenol and having substantially an average molecular weight of 200-500, (6) 4,4'-thio-bis(6-t-butyl-3-methylphenol) and (7) 1,1'-bis(2,4-dihydroxyphenyl) disulfide.