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:
Jul. 23, 2024
Filed:
Jan. 06, 2020
Applicant:
Tesa SE, Norderstedt, DE;
Inventors:
Manfred Spies, Bad Bramstedt, DE;
Yuan Li, Hamburg, DE;
Assignee:
TESA SE, Norderstedt, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09J 133/08 (2006.01); C09J 7/38 (2018.01);
U.S. Cl.
CPC ...
C09J 133/08 (2013.01); C09J 7/385 (2018.01);
Abstract
If at least one terpene-phenol resin is used as tackifying resin for pressure-sensitive adhesives based on polar framework polymers, wherein the at least one terpene-phenol resin in gel permeation chromatography analysis shows a multimodal molar mass distribution wherein the low molecular weight peak has its maximum within a range above 260 g/mol, it is possible, even at elevated temperatures, to achieve elevated storage stability of the terpene-phenol resins, apparent from a distinct reduction in increases in softening points over time.