Title:
【発明の名称】色原体ジシアノメチレンピラゾリノンおよび対応するシアノメチレン染料
Document Type and Number:
Japanese Patent JP2773902
Kind Code:
B2
Abstract:
Chromogenic dicyanomethylenepyrazolinone for thermographic recording processes and the corresponding cyanomethylene dyes of the formula (1) or (6) in which R is hydrogen, hydroxyl, amino, alkyl, cycloalkyl, aryl, aralkyl or a heterocylic radical, T1 and T2, independently of one another, are each hydrogen, unsubstituted or halogen-, hydroxyl-, cyano- or lower alkoxy-substituted alkyl having a maximum of 12 carbon atoms, cycloalkyl having 5 to 10 carbon atoms or unsubstituted or halogen-, cyano-, lower alkyl- or lower alkoxy-(ring)substituted phenalkyl or phenyl, or T1 and T2 together with the nitrogen linking them are a five- or six-membered heterocyclic radical, and rings A and B, independently of one another, are unsubstituted or substituted by halogen, cyano, nitro, lower alkyl, lower alkoxy, (lower alkyl)carbonyl or (lower alkoxy)carbonyl.
Inventors:
Hans Yunetsk
Manfred Clard
Manfred Clard
Application Number:
JP15244289A
Publication Date:
July 09, 1998
Filing Date:
June 16, 1989
Export Citation:
Assignee:
Ciba Specialty Chemicals Holding Incorporated
International Classes:
B41M5/28; B41M5/30; B41M5/323; C07C23/14; C07D231/22; C07D231/26; C07D231/32; C07D231/52; C07D401/04; C07D403/04; C07D405/04; C07D409/04; C09B23/00; C09B23/01; C09B23/04; C09B57/00; G11B7/244; (IPC1-7): C09B57/00; B41M5/26; B41M5/30; C07D231/26; C07D231/32; C07D231/52; C07D401/04; C07D403/04; C07D405/04; C07D409/04
Domestic Patent References:
| JP26559A |
Attorney, Agent or Firm:
Masao Okabe (11 others)