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. 04, 2022
Filed:
Nov. 20, 2018
Applicant:
Ningde Amperex Technology Limited, Ningde, CN;
Inventors:
Assignee:
NINGDE AMPEREX TECHNOLOGY LIMITED, Fujian, CN;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 7/21 (2018.01); C09J 7/35 (2018.01); C09J 7/29 (2018.01);
U.S. Cl.
CPC ...
C09J 7/21 (2018.01); C09J 7/29 (2018.01); C09J 7/35 (2018.01); B32B 2405/00 (2013.01); C09J 2301/408 (2020.08); C09J 2433/00 (2013.01);
Abstract
A gummed paper comprises a first substrate having an uncovered region on an upper surface thereof; and a second substrate, in which in a thickness direction, a projection of the second substrate partially covers a projection of the first substrate, a dyne value of an upper surface of the second substrate is greater than or equal to 40 dyn/cm, and a dyne value of the uncovered region is less than the dyne value of the upper surface of the second substrate.