Patents by Inventor Rolf Gleibner

Rolf Gleibner has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Disazo compounds containing a cyanoamidotriazinyl radical as a bridging member (middle component) and fiber-reactive groups of the vinylsulfone series, suitable as dyestuffs

Patent number: 5290922

Abstract: Disazo compounds which possess fiber-reactive groups and have useful dye properties and are capable of dyeing hydroxyl- and/or carboxamido-containing materials, in particular fiber materials, such as cellulose fibers and natural and synthetic polyamide, such as wool, in strong, fast shades. They conform to the formula ##STR1## wherein the substituents are as defined in the specification.

Type: Grant

Filed: December 30, 1992

Date of Patent: March 1, 1994

Assignee: Hoechst Aktiengesellschaft

Inventors: Hartmut Springer, Rolf Gleibner

Disazo compounds containing a cyanoamidotriazinyl radical as a bridging member (middle component) and fiber-reactive groups of the vinylsulfone series, suitable as dyestuffs