Title:
重合しうるシロキサンマクロモノマー
Document Type and Number:
Japanese Patent JP3892903
Kind Code:
B2
Abstract:
PCT No. PCT/EP96/02421 Sec. 371 Date Mar. 9, 1998 Sec. 102(e) Date Mar. 9, 1998 PCT Filed Jun. 4, 1996 PCT Pub. No. WO97/00274 PCT Pub. Date Jan. 3, 1997A macromonomer of the formula I is described:Q-B(L-B)nT(I)wherein n is zero or at least 1.0; Q is a polymerizable group; B may be the same or different and is a difunctional block of molecular weight in the range of from 100 to 8000 and wherein at least one B is a residue from a difunctional polymer or copolymer wherein B has a molecular weight of 248 to 8000 comprising silicone repeat units of formula II where R1 and R2 may be the same or different and are selected from the group consisting of hydrogen, alkyl, alkenyl, alkynyl, aryl, haloalkyl, haloalkenyl, haloalkynyl, haloaryl, heterocyclyl and haloheterocyclyl; L is a difunctional linking group; and T is a terminal group. The macromonomer may be used preferably in the production of contact lenses.
Inventors:
Gordon Francis, Mages
Lacock, Bronwin Glennis
Lacock, Bronwin Glennis
Application Number:
JP50258197A
Publication Date:
March 14, 2007
Filing Date:
June 04, 1996
Export Citation:
Assignee:
NOVARTIS AG
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
COMMONWEALTH SCIENTIFIC AND INDUSTRIAL RESEARCH ORGANISATION
International Classes:
A61L27/00; C08F290/06; C08G18/61; C08G18/48; C08G18/67; C08G18/81; C08G18/83; G02B1/04; G02C7/04
Domestic Patent References:
| JP7056125A | ||||
| JP3012416A |
Attorney, Agent or Firm:
Hajime Tsukuni
Mutsuo Watanabe
Fumio Shinoda
Tomoko Saeki
Mutsuo Watanabe
Fumio Shinoda
Tomoko Saeki