EP 0138159 A3 19860521 - HEAT-SENSITIVE REGISTRATION MATERIAL, PREPARATION THEREOF, AND USE OF ACID-MODIFIED POLYMERS IN SUCH MATERIALS
Title (en)
HEAT-SENSITIVE REGISTRATION MATERIAL, PREPARATION THEREOF, AND USE OF ACID-MODIFIED POLYMERS IN SUCH MATERIALS
Publication
Application
Priority
DE 3337296 A 19831013
Abstract (en)
[origin: US4600930A] The recording material which reacts under the influence of heat contains an acid-modified polymer of acrylonitrile as an acceptor, in addition to a dyestuff precursor.
IPC 1-7
IPC 8 full level
B41M 5/26 (2006.01); B41M 5/28 (2006.01); B41M 5/30 (2006.01); B41M 5/333 (2006.01); C09D 11/00 (2006.01)
CPC (source: EP US)
B41M 5/3331 (2013.01 - EP US)
Citation (search report)
- [X] US 3413138 A 19681126 - NICK GEORGALAS, et al
- [X] US 4228222 A 19801014 - MURAKAMI TAKESHI, et al
- [XP] EP 0111335 A2 19840620 - KANZAKI PAPER MFG CO LTD [JP]
- [A] GB 2034782 A 19800611 - FUJI PHOTO FILM CO LTD
- [Y] EP 0005251 A2 19791114 - BAYER AG [DE]
- [Y] FR 2503729 A1 19821015 - PILOT INK CO LTD [JP]
- [Y] PATENTS ABSTRACTS OF JAPAN, Band 6, Nr. 33 (M-114) [911], 27. Februar 1982; & JP - A - 56 148 588 (MITSUBISHI SEISHI K.K.) 22-04-1980
Designated contracting state (EPC)
BE CH DE FR GB IT LI NL SE
DOCDB simple family (publication)
EP 0138159 A2 19850424; EP 0138159 A3 19860521; EP 0138159 B1 19880831; CA 1230739 A 19871229; DE 3337296 A1 19850425; DE 3473747 D1 19881006; FI 79976 B 19891229; FI 79976 C 19900410; FI 843998 A0 19841011; FI 843998 L 19850414; HK 51289 A 19890707; JP S60132788 A 19850715; US 4600930 A 19860715
DOCDB simple family (application)
EP 84111852 A 19841004; CA 465137 A 19841011; DE 3337296 A 19831013; DE 3473747 T 19841004; FI 843998 A 19841011; HK 51289 A 19890629; JP 20995084 A 19841008; US 65834184 A 19841005