Invention Grant
US4343939A Glycolic acid esters and amides of
bis(p-disubstitutedaminophenyl)carbinol
失效
二（对二取代氨基苯基）甲醇的乙醇酸酯和酰胺
- Patent Title: Glycolic acid esters and amides of bis(p-disubstitutedaminophenyl)carbinol
- Patent Title (中): 二（对二取代氨基苯基）甲醇的乙醇酸酯和酰胺
-
Application No.: US256353Application Date: 1981-04-22
-
Publication No.: US4343939APublication Date: 1982-08-10
- Inventor: Frank F. Cesark , Robert J. Manfre , Daniel W. Thomas
- Applicant: Frank F. Cesark , Robert J. Manfre , Daniel W. Thomas
- Applicant Address: CT Stamford
- Assignee: American Cyanamid Company
- Current Assignee: American Cyanamid Company
- Current Assignee Address: CT Stamford
- Main IPC: B41M5/136
- IPC: B41M5/136 ; C07D295/185 ; C07D295/18
Abstract:
Glyolic acid esters and amides of bis(p-disubstitutedaminophenyl)carbinols are disclosed as color formers for use in transfer sets.
Public/Granted literature
- US5990328A Process for the preparation of 4-amino-.DELTA.4-3-ketosteroids via 4-nitro-.DELTA.4-3-ketosteroids Public/Granted day:1999-11-23
Information query
IPC分类:
