Reactive disazo compound
First Claim
Patent Images
1. A reactive disazo compound which, in the free acid form, is represented by the formula ##STR19## wherein Y represents 2,5-dicarboxy-,4-phenylene, or 5-carboxy-1,3-phenylene.
1 Assignment
0 Petitions
Accused Products
Abstract
A novel reactive disazo dyestuff of which the free acid form is represented by the formula ##STR1## wherein R1 represents hydrogen or carboxyl, R1 and R2 represent hydrogen or sulfo, either one of the R2 and R3 being hydrogen and the other being sulfo, and when R1 is hydrogen, Y represents 2,5-dicarboxy-1,4-phenylene, 5-carboxyl-1,3-phenylene, or 2-carboxy-1,4-phenylene, and when R1 is carboxyl, Y represents 1,4-phenylene, 1,3-phenylene, or 2-carboxy-1,4-phenylene which dye cellulosic fibers with excellent color-value and build-up property.
15 Citations
3 Claims
- 1. A reactive disazo compound which, in the free acid form, is represented by the formula ##STR19## wherein Y represents 2,5-dicarboxy-,4-phenylene, or 5-carboxy-1,3-phenylene.
Specification
-
- Resources
Litigation Campaign Assessment
Thank you for your request. You will receive a custom alert email when the Litigation Campaign Assessment is available.
×
-
Current AssigneeNippon Kayaku Company Limited
-
Original AssigneeNippon Kayaku Company Limited
-
InventorsMatsuo, Tadashi, Iizuka, Yutaka, Sato, Koei
-
Primary Examiner(s)Higel, Floyd D.
-
Application NumberUS06/485,116Time in Patent Office1,121 DaysField of Search260/153, 260/146 T, 534/634US Class Current534/634CPC Class CodesC09B 62/043 containing two or more tria...
