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. 07, 2020
Filed:
Oct. 18, 2015
Applicant:
Roger Wen Yi Hsu, Rancho Cucamonga, CA (US);
Inventor:
Roger Wen Yi Hsu, Rancho Cucamonga, CA (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D 11/00 (2006.01); G02B 1/111 (2015.01); G02B 1/14 (2015.01); G02B 1/18 (2015.01); B29K 29/00 (2006.01);
U.S. Cl.
CPC ...
B29D 11/00009 (2013.01); B29D 11/00644 (2013.01); B29D 11/00788 (2013.01); G02B 1/111 (2013.01); G02B 1/14 (2015.01); G02B 1/18 (2015.01); B29D 11/0073 (2013.01); B29D 11/00653 (2013.01); B29D 11/00865 (2013.01); B29K 2029/04 (2013.01); B29K 2995/002 (2013.01); B29K 2995/007 (2013.01); B29K 2995/0029 (2013.01); B29K 2995/0034 (2013.01); B29K 2995/0093 (2013.01);
Abstract
A method to make dyed functional film comprising the steps of providing a soluble polymer material; adding an appropriate solvent to the polymer material to make a soluble polymer solution; providing a soluble dye; adding an appropriate solvent to the dye to make a soluble dye solution; adding the dye solution to the polymer or PVA solution, and introducing the dyed polymer or PVA solution to a solution casting device; removing a thin dyed functional film from the casting device; and letting the dyed functional film dry and solidified.