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:
Apr. 13, 2010
Filed:
Sep. 16, 2004
William Brown Farnham, Hockessin, DE (US);
Michael Fryd, Philadelphia, PA (US);
Frank Leonard Schadt, Iii, Wilmington, DE (US);
William Brown Farnham, Hockessin, DE (US);
Michael Fryd, Philadelphia, PA (US);
Frank Leonard Schadt, III, Wilmington, DE (US);
Abstract
The invention pertains to low polydispersity acrylic polymers useful for photoimaging and photoresist compositions, and to the photoimaging processes which use these compositions. The low polydispersity polymers of this invention are prepared using controlled radical polymerization (CRP) techniques, such as RAFT (reversible addition fragmentation chain transfer) polymerization.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile