Cyclic ureas

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 4724261
SERIAL NO

06933833

Stats

ATTORNEY / AGENT: (SPONSORED)

Importance

Loading Importance Indicators... loading....

Abstract

See full text

A process for the preparation of cyclic urea compounds in which a substituted anilino alkanone is reacted with an arylsubstituted isocyanate to form an intermediate imidazoline compound, and said imidazoline compound is hydrogenated in the presence of suitable catalyst to form an imidazolidine of the formula ##STR1## wherein X, X', Y and Y' are the same or different and are selected from the group consisting of trifluoromethyl, chloro, bromo, fluoro, hydrogen, cyano, nitro, alkyl, thioalkyl, halothioalkyl, alkoxy and sulfonylalkyl wherein the alkyl groups have from 1 to 4 carbon atoms; and R is selected from the group consisting of hydrogen and alkyl having from 1 to about 4 carbon atoms. Also included are intermediate anilino alkanones and the process of making them.

Loading the Abstract Image... loading....

First Claim

See full text

Family

Loading Family data... loading....

Patent Owner(s)

  • ICI AMERICAS INC.

International Classification(s)

  • [Classification Symbol]
  • [Patents Count]

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Felix, Raymond A Richmond, CA 51 108

Cited Art Landscape

Load Citation

Patent Citation Ranking

Forward Cite Landscape

Load Citation