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. 05, 2022
Filed:
May. 22, 2020
Henkel Ag & Co. Kgaa, Duesseldorf, DE;
Shingo Tsuno, Kanagawa, JP;
Masaaki Dobashi, Kanagawa, JP;
Takahide Morishita, Osaka, JP;
Koji Shirai, Osaka, JP;
HENKEL AG & CO. KGaA, Dusseldorf, DE;
Abstract
An objective of the present invention is to provide a hot melt composition which has a high form maintaining property at a high temperature, is well-balanced between adhesion and removability to a substrate, hardly sags, has less volatile matter content and is excellent in hygiene. The present invention relates to a hot melt composition comprising: (A) a thermoplastic block copolymer which is a copolymer of a vinyl-based aromatic hydrocarbon and a conjugated diene compound, (B1) a hydrocarbon-based oil having an aniline point of 135° C. or more, and (C) a wax modified with a carboxylic acid and/or a carboxylic acid anhydride.