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Publication numberUST889002 I4
Publication typeGrant
Publication dateAug 31, 1971
Filing dateDec 15, 1969
Priority dateDec 15, 1969
Publication numberUS T889002 I4, US T889002I4, US-I4-T889002, UST889002 I4, UST889002I4
Export CitationBiBTeX, EndNote, RefMan
External Links: USPTO, USPTO Assignment, Espacenet
Defensive publication
US T889002 I4
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Description  (OCR text may contain errors)

DEFENSIVE PUBLlCATlGN UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16. 1969, 869 0.6. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED AUGUST 31, 1971 T889,0il2 STABILIZATION 0F 1,1,1-TRICHLOROETHANE Milton J. Blankenship, Alte Landsirasse 64, Oberrieden, Switzerland, and Ralph McCarthy, 1865 Bush St, San Francisco, Calif. 9410? Filed Dec. 15, 1969, Ser. No. 885,339 lint. Cl. C07c 17/42 US. Cl. 260--652.5R No Drawing. 6 Pages Specification The reaction of 1,1,1-trichloroethane with aluminum is inhibited by the presence in the 1,1,1-trichloroethane of a small amount of a dissolved amino compound of the formula.

RNR

wherein R is a morpholinoalkyl radical, an alkylated morpholinoalkyl radical, a phenylthiomethyl radical, an alkylphenylthiomethyl radical, an aminoalkyl radical, an N-alkylated aminoalkyl radical, a polyglycol residue, a polyglycolamine residue, a halopyridinecarbonyl radical, an aminoalkylcyclohexanealkyl radical, or a dialkyl phosphono radical, R is hydrogen, an alkyl radical, an aminoalkyl radical, a polyalkylenepolyamine residue, an alkanoyl radical, or a polyglycol residue, and R is hydrogen, an alkyl radical, or a polyglycol residue. Concentrations of the order of 0.1-10 weight percent of solvent composition provide significant inhibition of the aluminum reaction.

Referenced by
Citing PatentFiling datePublication dateApplicantTitle
US5013364 *Nov 3, 1989May 7, 1991The Dow Chemical CompanyStabilized 1,1,1-trichloroethane
Classifications
U.S. Classification570/109, 570/111
International ClassificationC07C17/42
Cooperative ClassificationC07C17/42
European ClassificationC07C17/42