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. 13, 2020
Filed:
May. 21, 2015
Applicant:
Ketonex Limited, Oxfordshire, GB;
Inventors:
Ian David Henderson Towle, Oxfordshire, GB;
Kaylie Jane Smith, Oxfordshire, GB;
Pauline Julia Siddons, Oxfordshire, GB;
Assignee:
Ketonex Limited, Oxford, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G 65/40 (2006.01); C08G 61/12 (2006.01);
U.S. Cl.
CPC ...
C08G 61/127 (2013.01); C08G 65/4012 (2013.01); C08G 2261/12 (2013.01); C08G 2261/126 (2013.01); C08G 2261/1644 (2013.01); C08G 2261/3442 (2013.01); C08G 2261/45 (2013.01);
Abstract
The present invention provides a method of preparing a polyaryletherketone copolymer (e.g. a random or block copolymer), said method comprising: polymerizing (i) a monomer system suitable for forming aryletherketone units and (ii) a comonomer in a reaction medium comprising: (a) a Lewis acid and (b) a controlling agent comprising an aromatic carboxylic acid, an aromatic sulphonic acid, or a derivative thereof; and polymers produced therefrom.