| abstract |
1409323 Isomerisation catalysts ROCHE PRODUCTS LTD 1 Nov 1973 [2 Nov 1972] 50558/72 Heading B1E [Also in Divisions C2 and C3] Catalysts comprise a compound of the general formula: in which KW is an alkyl (C 1-20 ), cycloalkyl, phenyl or phenyl-(lower i.e. up to C 6 alkyl) group (optionally substituted by lower alkyl), R represents a KW or (KW) 3 -Si group, m = 1, 2 or 3 and n = 0, 1 or 2 and m + n = 3 and a silanol of the general formula: Preferred compounds of formula III are those of the general formula: especially where KW represents an alkyl or phenyl group. |