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:
Jan. 31, 1989
Filed:
Dec. 11, 1987
Applicant:
Inventor:
Joseph G Fenyes, Germantown, TN (US);
Assignee:
Buckman Laboratories International, Inc., Memphis, TN (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C10M / ;
U.S. Cl.
CPC ...
252 51 ; 252 336 ; 252 493 ; 252 495 ; 252 / ; 106-3 ; 106271 ; 106272 ;
Abstract
A method of preserving an aqueous system which is susceptible to microbiological degradation. To the system is added a compound having the formula ##STR1## wherein R and R' are independently selected from hydrogen or a methyl group, R' is a moiety selected from the group consisting of (a) hydrogen, (b) a halogen atom selected from the group consisting of F, Cl, Br and I, and (c) a nitro group; or the hydrochloride salt of the compound. The method disclosed is especially useful for preserving aqueous solutions, emulsions, and suspensions which are susceptible to microbiological degradation.