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. 08, 1994
Filed:
Feb. 16, 1993
Applicant:
Inventors:
Larry P Koskan, Orland Park, IL (US);
Kim C Low, Alsip, IL (US);
Assignee:
Donlar Corporation, Bedford Park, IL (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C08L / ; C08K / ; B01F / ;
U.S. Cl.
CPC ...
106416 ; 106400 ; 106401 ; 106437 ; 106456 ; 106460 ; 106464 ; 106465 ; 106466 ; 106467 ; 106468 ; 106471 ; 106472 ; 106476 ; 106486 ; 106491 ; 106493 ; 106499 ; 106501 ; 106505 ; 106311 ; 252351 ; 252356 ; 252357 ; 2523635 ;
Abstract
Water soluble salts of a .beta.-polyaspartic acid, i.e., a polyaspartic acid having predominantly beta linkages in the amino acid residue chain thereof, are eminently well suited as dispersants for particulate matter in an aqueous medium.