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:
Aug. 28, 2001
Filed:
Mar. 31, 1997
Applicant:
Inventors:
John Ta-yuan Lai, Broadview Heights, OH (US);
William F. Masler, Hinckley, OH (US);
Paul Peter Nicholas, Broadview Heights, OH (US);
Nasar Pourahmady, Solon, OH (US);
Rutger D. Puts, Cleveland Heights, OH (US);
Shonali Tahiliani, Belpre, OH (US);
Assignee:
PMD Holdings Corp., Brecksville, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08F 2/00 ; C08F 4/28 ; C08F 4/32 ;
U.S. Cl.
CPC ...
C08F 2/00 ; C08F 4/28 ; C08F 4/32 ;
Abstract
A polymerization process for the preparation of (meth)acrylate containing homopolymers or block copolymers comprises heating a mixture of a free radical initiator, a stable free radical agent, and a polymerizable monomer compound to form a thermoplastic resin or resins with a narrow polydispersity. The stable free radical agent is a piperazinone or morpholone based nitroxide or any adducts thereof.