The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jul. 23, 1996
Filed:
Jan. 17, 1995
Applicant:
Inventor:
Graciela B Arhancet, Katy, TX (US);
Assignee:
Betz Laboratories, Inc., Trevose, PA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07C / ;
U.S. Cl.
CPC ...
208 / ; 585-5 ;
Abstract
Methods and compositions for inhibiting the polymerization of crude dichlorobutene during its processing are disclosed. The methods comprise adding an effective polymerization inhibiting amount of a composition of a hydroxylamine compound and a metal deactivator compound to the dichlorobutene. The preferred hydroxylamine compound is bis-(2-hydroxypropyl)hydroxylamine and the preferred metal deactivator compound is a Mannich reaction product.