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. 10, 2017
Filed:
Jun. 10, 2015
Korea Advanced Institute of Science and Technology, Daejeon, KR;
Abstract
The present invention relates to a method for preparing a double-sided film containing the step of 5 forming a film in the interface between air and the mixture of a polymer comprising amine group (—NH) and a compound containing phenol or catechol by exposing the mixture on the air. Particularly, the double-sided film of the present invention is a separation membrane 10 that can separate the interface of liquid phase and gas phase and at the same time can be used as a biomaterial such as a haemostatic and also an waterproof agent. When the film is prepared in a moderate condition by using an enzyme, the film can include proteins and 15 cells, resulting in the multi-functional versatility film that can be useful as a biocatalyst. The versatility film of the present invention, thus, is not expensive and the production method thereof is simple and eco-friendly.