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:
Oct. 07, 1980
Filed:
Oct. 22, 1979
Applicant:
Inventors:
David R Dyroff, Creve Coeur, MO (US);
Victor D Papanu, Maryland Heights, MO (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C08F / ; C08G / ; C08L / ;
U.S. Cl.
CPC ...
525401 ; 525398 ; 528232 ; 528491 ;
Abstract
The alkali metal, ammonium and alkanol ammonium salts of polymeric acetal carboxylates are stable detergent builders under laundry use conditions but depolymerize in acid media, making the polymer fragments more readily biodegradable in waste streams. Such polymeric acetal carboxylates can now be made by the process of the present invention which comprises: