| 摘要 |
<p>1,134,606. Boots &c. SHELL INTERNATIONALE RESEARCH MAATSCHAPPIJ N.V. 24 April, 1967 [25 April, 1966], No. 18761/67. Heading A3B. [Also in Divisions B2, D1 and D2] In the manufacture of shoes, uppers made from canvas having applied thereto up to 25% by weight of a block copolymer having the general configuration A - B - A in which each A is an independently selected polymer block of a monovinyl arene having an average molecular weight of 8,000-45,000 and B is a polymer block of a conjugated diene having an average molecular weight of 25,000-150,000 or a hydrogenated derivative thereof, are moulded to soles comprising a conjugated diene polymer.</p> |
