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:
Feb. 11, 2014
Filed:
Feb. 15, 2012
Applicants:
Wen-chiung Su, Taoyuan County, TW;
Ching-hsuan Lin, Taoyuan County, TW;
Hung-tse Lin, Taoyuan County, TW;
Feng-jen Wang, Taoyuan County, TW;
Inventors:
Wen-Chiung Su, Taoyuan County, TW;
Ching-Hsuan Lin, Taoyuan County, TW;
Hung-Tse Lin, Taoyuan County, TW;
Feng-Jen Wang, Taoyuan County, TW;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07D 413/10 (2006.01); C08G 14/067 (2006.01); C08G 14/06 (2006.01);
U.S. Cl.
CPC ...
C07D 413/10 (2013.01); C08G 14/06 (2013.01);
Abstract
Disclosed is a method for making a low-k, flame-retardant, bi-functional benzoxazine. The method includes the steps of dissolving phosphoric diamine with various functional groups, phenolic adamantane and paraformaldehyde in a solvent at 72° C. to 88° C. for 7 to 9 hours, and cooling and introducing the solution in n-hexane to separate the low-k, flame-retardant, phosphoric, bi-functional benzoxazine.