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. 26, 2025
Filed:
Jun. 10, 2020
Sika Technology Ag, Baar, CH;
Hang Xu, Chigasaki-chi, JP;
Shengzhong Zhou, Shanghai, CN;
Bang Wei Xi, Shanghai, CN;
Xi Tao Liu, Shanghai, CN;
Li Xia Wang, Shanghai, CN;
He Meng Zhao, Shanghai, CN;
Bernhard Feichtenschlager, Trostberg, DE;
Stefan Hirsemann, Shanghai, CN;
SIKA TECHNOLOGY AG, Baar, CH;
Abstract
The present invention relates to a process of fabricating a multi-layer composite structure by 3D printing, said composite structure comprises at least one cured mortar layer formed by curing of a mortar composition, and at least one polyurethane layer formed by polymerization of a first polyurethane forming composition, wherein said mortar composition and said first polyurethane forming composition are dispensed individually and simultaneously via adjacent printing nozzles. The mortar composition is optionally modified by a second polyurethane forming composition.