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:
Feb. 20, 1996
Filed:
Nov. 22, 1994
Applicant:
Inventor:
John Houman, Oyster Bay, NY (US);
Assignee:
LeaRonal Inc., Freeport, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C25D / ; C25D / ; C23C / ; C23C / ;
U.S. Cl.
CPC ...
205238 ; 106105 ; 106112 ; 106118 ; 106122 ; 106125 ; 205244 ; 205253 ; 205259 ; 205261 ; 205278 ; 205296 ; 205311 ;
Abstract
A method for stabilizing organic metal finishing additives in aqueous metal treating baths by dissolving the organic metal finishing additive with a cyclodextrin and a common solvent therefor, so that an inclusion compound of the organic metal finishing additive in the cyclodextrin is formed, and then dissolving the inclusion compound in an aqueous metal treating bath. Aqueous metal treating baths having dissolved therein inclusion compounds of organic metal finishing additives in cyclodextrins are also described.