Patent ID: 7863478

Claim:
A compound of formula I in which X stands for O, S(O) m or NR 1 , Y stands for R 1 , SiR 3 R 4 R 5 or -Sp-R, R 1 stands for H, C 1-30 -alkyl or R, R 2 , R 3 , R 4 and R 5 each, independently of one another, stand for C 1-30 -alkyl, Sp stands for â€”(CH 2 ) n â€”, â€”(CH 2 ) n â€”C(â•O)â€”(CH 2 ) o â€” or â€”(CH 2 ) n â€”C(â•O)â€”(CH 2 ) o â€”Xâ€”(CH 2 ) p â€”, m stands for an integer 0, 1 or 2, n, o, p, stand for an integer, independently of one another, in the range beginning with 0 and ending with 40 and R stands for in which X 1 , X 2 ,X 3 , X 4 and X 5 each, independently of one another, denote H, OH, CH 3 COO, an alkyl radical having 1 to 8 C atoms, an alkoxy radical having 1 to 8 C atoms, or a monoglycoside radical, and where R may in turn be substituted by one or more -Sp-Xâ€”CH 2 â€”C(â•O)â€”CH 2 â€”OH groups, where different R and X in formula I may stand for identical or different radicals.