Catherine C Doyen

US Patent:

49926047, Feb 12, 1991

Filed:

Jul 24, 1989

Appl. No.:

7/383488

Inventors:

Donald A. Reich - Lake Charles LA
Catherine C. Doyen - Lake Charles LA
Stephanie J. Oates - Wadsworth OH

Assignee:

PPG Industries, Inc. - Pittsburgh PA

International Classification:

C07C 1742
C07C 1905

US Classification:

570110

Abstract:

1,1,1-Trichloroethane (viz. , methylchloroform) is stabilized with from about 2 to about 4 percent by weight 1,3-dioxolane, from about 0. 25 to about 0. 5 percent by weight butylene oxide, from about 0. 25 to about 2 percent by weight nitromethane, from about 0. 2 to about 0. 75 percent by weight 1-nitropropane, from about 0. 75 to about 2 percent by weight secondary butanol, and from 0 to about 100 parts per million by weight acetaldehyde dimethylhydrazone.