EP0360869A1
Expired / Lapsed
EP
⏱️ 0.0 years remaining
Resin composition for optical modeling
Assignee: Adeka Corp
•
Filing: 1989-02-16
•
Granted: —
•
Expires: 2009-02-16
Abstract
Abstract A resin composition for optical modeling, which comprises an actinic radiation-curable and cationically-polymerizable organic substance and an actinic radiation-sensitive and cationically polymerizable substance, and which is cured without the influence of oxygen present in the air.
Inventors
- 👤 Kazuo Asahi Denka Kogyo K.K. Ohkawa
- 👤 Seiichi Asahi Denka Kogyo K.K. Saito
Bibliographic Details
Application Number
—
Jurisdiction
EP
Data Source
google_patents
Last Synchronized
2026-11-08 21:06
CPC Classifications
C; C08; C08G; C08G65/00; C08G65/02; C08G65/04; C08G65/06; C08G65/08; C08G65/10; C08G65/105; C08G59/00; C08G59/18; C08G59/68
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
29 words
A resin composition for optical molding which comprises (a) an actinic radiation-curable and cationically polymerizable organic substance and (b) an actinic radiation-sensitive initiator for cationic polymerization as essential components.
Claim 2
Dependent Claim
29 words
A resin composition for optical molding which comprises (a) an actinic radiation-curable and cationically polymerizable organic substance and (b) an actinic radiation-sensitive initiator for cationic polymerization as essential components.
Claim 3
Dependent Claim
41 words
A resin composition as set forth in claim 1 wherein at least 40% by weight of said actinic radiation-curable and cationically polymerizable organic substance (a) is composed of an alicyclic epoxy resin having at least two epoxy groups in its molecule.
Claim 4
Dependent Claim
31 words
A resin composition as set forth in claim 1 or 2, which further contains (c) an actinic radiation-curable and radical-polymerizable organic substance and (d) an actinic radiation-sensitive initiator for radical polymerization.
Claim 5
Dependent Claim
38 words
A resin composition as set forth in claim 3, wherein at least 50% by weight of said actinic radiation-curable and radical-polymerizable substance (c) is composed of a compound having at least three unsaturated double bonds in its molecule.
Claim 6
Dependent Claim
17 words
A resin composition as set forth in claim 3 or 4, which further contains (e) a filler.
Claim 7
Dependent Claim
64 words
A resin composition as set forth in claim 3, wherein at least 40% by weight of said actinic radiation-curable and cationically polymerizable organic substance (a) is composed of an alicyclic epoxy resin having at least two epoxy groups in its molecule and at least 30% by weight thereof is composed of a vinyl ether resin having at least two vinyl groups in its molecule.
Claim 8
Dependent Claim
39 words
A resin composition as set forth in claim 6, wherein at least 50% by weight of said actinic radiation-curable and radical-polymerizable organic substance (c) is composed of a compound having at least three unsaturated double bonds in its molecule.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
Maintenance schedule is calculated for granted US utility patents.