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:
May. 13, 2014
Filed:
Feb. 24, 2011
Applicants:
Umit G. Makal, Stow, OH (US);
Bryce W. Steinmetz, Medina, OH (US);
Roger W. Day, Solon, OH (US);
Feina Cao, Copley, OH (US);
Inventors:
Umit G. Makal, Stow, OH (US);
Bryce W. Steinmetz, Medina, OH (US);
Roger W. Day, Solon, OH (US);
Feina Cao, Copley, OH (US);
Assignee:
Lubrizol Advanced Materials, Inc., Cleveland, OH (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08L 77/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
The present invention relates to a melt processable copolyetheramide made by reacting (a) one or more segments of polyamide hard blocks derived from a lactam-terminated diisocyanate and a lactam monomer, and (b) one or more segments of polyether soft blocks derived from a polyether diol. The invention further provides for methods of making said copolyetheramide, including a continuous extruder method of production.