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:
Mar. 23, 1999
Filed:
Jun. 24, 1998
Applicant:
Inventors:
Herbert W Ulmer, Hoboken, NJ (US);
Timothy Gillece, Pompton Plains, NJ (US);
John A Katirgis, West Caldwell, NJ (US);
Assignee:
ISP Investments Inc., Wilmington, DE (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ; C07D / ;
U.S. Cl.
CPC ...
548545 ; 548546 ; 548547 ;
Abstract
This invention describes hydroxyamino-derivatized polymers of .alpha.-olefin-maleic anhydride in the form of their maleimide, maleamic acid and .alpha.-olefin-maleic anhydride half-acid/half ester or full acid repeat units process for making same. The polymers are made by reacting an .alpha.-olefin-maleic anhydride, half-acid/half-ester or full acid with a hydroxy containing .alpha.-unsubstituted primary amine in aqueous or aqueous alcoholic solution at a temperature of about 60.degree.-160.degree. C. during a reaction period of about 1-25 hours.