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. 10, 1998
Filed:
Aug. 14, 1997
Applicant:
Inventors:
Michael B Cavitt, Lake Jackson, TX (US);
Jerry E White, Lake Jackson, TX (US);
John M Beckerdite, Lake Jackson, TX (US);
H Craig Silvis, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; C08K / ; C08F / ;
U.S. Cl.
CPC ...
428 357 ; 528486 ; 528487 ; 528490 ; 528491 ; 528492 ; 528494 ; 528503 ; 524706 ; 524710 ; 524713 ; 524714 ; 524745 ; 524755 ; 524773 ; 428 354 ; 428 358 ; 4283044 ; 428480 ;
Abstract
Poly(hydroxyaminoether) ammonium salts are prepared by contacting a poly(hydroxy amino ether) with a protonic acid or an alkyl halide in an amount and under reaction conditions sufficient to form a poly(hydroxy amino ether) ammonium salt having an oxygen transmission rate of less than about 0.5 cm.sup.3 -mil/100 in.sup.2 -atm(O.sub.2)-day.