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. 07, 2000
Filed:
Oct. 13, 1998
Applicant:
Inventors:
William Howard Tuminello, Newark, DE (US);
Mark A McHugh, Baltimore, MD (US);
Robert Clayton Wheland, Wilmington, DE (US);
Gregory Thomas Dee, Wilmington, DE (US);
Assignees:
E. I. du Pont de Nemours and Company, Wilmington, DE (US);
Johns Hopkins University, Baltimore, MD (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08J / ;
U.S. Cl.
CPC ...
524545 ; 524424 ; 524401 ; 524544 ; 524546 ; 526942 ; 528481 ;
Abstract
Fluoropolymers containing a specified ratio of hydrogen to fluorine atoms attached to polymer backbone atoms dissolve in carbon dioxide under relatively mild conditions of temperature and pressure. The resulting solutions may be used for coatings or encapsulation.