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:
Nov. 17, 1981
Filed:
Feb. 06, 1980
Applicant:
Inventors:
Thomas P Brady, Holliston, MA (US);
Horst G Langer, Wayland, MA (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ;
U.S. Cl.
CPC ...
2523 / ; 106 1412 ; 106 1421 ; 106 1505 ; 106 1817 ; 252 / ; 252 68 ; 252 75 ; 252 785 ; 2604299 ; 260430 ; 2604381 ; 2604 / ; 2604 / ; 2604 / ; 260933 ; 422 15 ;
Abstract
Derivatives of polyphosphoric acid partial esters of the formula ##STR1## wherein R is the remnant of a (poly)glycol monoether, phenol or alkanol provided that in at least one occurrence R is the remnant of a (poly)glycol monoether, and M is a positive counterion of valence n are disclosed.