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:
Aug. 13, 2024
Filed:
Aug. 15, 2019
Covestro Intellectual Property Gmbh & Co. KG, Leverkusen, DE;
Chen Jin, Guangdong, CN;
Yingdan Zhu, Shanghai, CN;
Songli Wei, Shanghai, CN;
Qinglin Song, Shanghai, CN;
Chenxi Zhang, Shanghai, CN;
Evgeny Avtomonov, Leverkusen, DE;
Covestro Intellectual Property GmbH & Co. KG, Leverkusen, DE;
Abstract
The present invention relates to an adhesive and application thereof, and a bonded product obtained by using the adhesive. The adhesive comprises: a. at least one aqueous polyurethane dispersion; b. at least one surface passivated polyisocyanate; c. at least one polycarbodiimide having a weight-average molecular weight of 500 to 100,000; and d. optionally a carbodiimide having a carbodiimide group functionality of 1. The coating formed by the adhesive provided according to the present invention has good hydrolysis resistance.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile