Glen D Lichtenwalter

US Patent:

51548410, Oct 13, 1992

Filed:

May 30, 1991

Appl. No.:

7/707496

Inventors:

James R. Tucker - Santa Rose CA
Glen D. Lichtenwalter - Corsicana TX

Assignee:

The Procter & Gamble Company - Cincinnati OH

International Classification:

D06M 1008

US Classification:

252 86

Abstract:

Disclosed is a high yield process for preparing di-substituted imidazoline fabric conditioning compounds. In this process, an acylating agent such as fatty acid is reacted with a specific polyamine, and the product of this reaction is thereafter reacted with either a fatty acid ester or glyceride under specifically-defined conditions and in the presence of an esterifying catalyst such as titanium alkoxide. Use of particular reaction conditions and an esterification catalyst significantly increases the yield of di-substituted imidazoline compounds.

US Patent:

49546350, Sep 4, 1990

Filed:

Sep 6, 1989

Appl. No.:

7/403541

Inventors:

Glen D. Lichtenwalter - Corsicana TX

Assignee:

The Procter & Gamble Company - Cincinnati OH

International Classification:

C07D23906
C07D23314
C07D24304

US Classification:

548354

Abstract:

Disclosed is a high yield process for quaternizing imidazoline ester compounds in the absence of lower alcohol solvents and under anhydrous conditions. The reaction product of this process contains a quaternized imidazoline ester fabric softening compound and, optionally, an imidazoline ester compound. In the process of this invention, an imidazoline ester compound is intitially heated to form an anhydrous melt. This anhydrous melt is subsequently contacted with a quaternizing agent selected from small chain organic halides and sulfates. The imidazoline ester compound and quaterinzing agent are then reacted under anhydrous conditions for a period of time sufficient for substantially all of said quaterinzing agent to react with said imidazoline ester compound to form a quaternized imidazoline ester compound.

US Patent:

51165201, May 26, 1992

Filed:

Jun 25, 1990

Appl. No.:

7/542843

Inventors:

Glen D. Lichtenwalter - Corsicana TX
Errol H. Wahl - Cincinnati OH

Assignee:

The Procter & Gamble Co. - Cincinnati OH

International Classification:

D06M 1008

US Classification:

252 86

Abstract:

Disclosed are textile treatment compositions comprising a quaternized di-substituted imidazoline ester fabric softening compound, a nonionic fabric softening compound, and a liquid carrier. The textile treatment compositions of the present invention possess desirable storage-stability, viscosity, and fabric-conditioning properties. The compositions may be in the form of aqueous dispersions or solid compositions releasably affixed to a solid carrier.