Title:
水-可溶性プレポリマーからのポリマー性網目組織
Document Type and Number:
Japanese Patent JP3621168
Kind Code:
B2
Abstract:
The present invention describes a water-soluble crosslinkable prepolymer that comprises, in the copolymer chain, units derived from the following monomeric structural units: a vinyl lactam (a), vinyl alcohol (b), optionally a lower alkanecarboxylic acid vinyl ester (c), a vinylic crosslinking agent (d) and optionally a vinylic photoinitiator (e); a process for the preparation of the novel prepolymers; crosslinked water-insoluble polymeric networks therefrom; hydrogels and moulded articles made from the crosslinked water-insoluble polymeric networks, especially contact lenses; and a process for the manufacture of hydrogels and finished contact lenses using the mentioned crosslinkable water-soluble prepolymers.
Inventors:
Thomas Paleman
Achim Muller
Bernhard Seiffelring
Achim Muller
Bernhard Seiffelring
Application Number:
JP29389895A
Publication Date:
February 16, 2005
Filing Date:
November 13, 1995
Export Citation:
Assignee:
NOVARTIS AG
International Classes:
B29D11/00; C08F8/00; C08F8/12; C08F16/02; C08F26/00; C08F26/10; G02C7/04; C08F216/06; C08F218/02; C08F218/04; C08F226/00; C08F226/06; C08F226/10; C08F261/04; C08F271/02; C08F299/00; C08K5/20; C08K5/205; C08L29/04; C08L31/02; C08L39/04; C08L39/06; G02B1/04; C08F; C08J; G02B; (IPC1-7): C08F8/00; C08F216/06; C08F218/04; C08F226/06; C08F299/00; G02C7/04
Domestic Patent References:
| JP6102471A | ||||
| JP1250923A | ||||
| JP5239152A |
Attorney, Agent or Firm:
Hajime Tsukuni
Mutsuo Watanabe
Fumio Shinoda
Tomoko Saeki
Mutsuo Watanabe
Fumio Shinoda
Tomoko Saeki