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. 18, 2016
Filed:
Mar. 25, 2011
Applicants:
Viswanathan Kalyanaraman, Newburgh, IN (US);
William E. Hollar, Mt Vernon, IN (US);
Inventors:
Viswanathan Kalyanaraman, Newburgh, IN (US);
William E. Hollar, Mt Vernon, IN (US);
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 63/00 (2006.01); C08J 3/07 (2006.01); C08J 3/16 (2006.01); C08G 73/10 (2006.01); C08L 79/08 (2006.01);
U.S. Cl.
CPC ...
C08J 3/07 (2013.01); C08G 73/106 (2013.01); C08G 73/1046 (2013.01); C08J 3/16 (2013.01); C08L 63/00 (2013.01); C08L 79/085 (2013.01); C08J 2379/08 (2013.01); Y10T 428/2982 (2015.01);
Abstract
Polyetherimide particles or powders with a high surface area and high porosity can be prepared by precipitation of polymer solution in hot water or steam without the use of any additives. The particles or powders produced rapidly dissolved in organic solvents as well as epoxy matrices.