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:
Jan. 09, 2018
Filed:
Jul. 04, 2016
Hangzhou Singclean Medical Products Co., Ltd, Hangzhou, Zhejiang, CN;
Zhejiang University of Science and Technology, Hangzhou, Zhejiang, CN;
Zhiguo Zhang, Zhejiang, CN;
Yange Suo, Zhejiang, CN;
Wei Huang, Zhejiang, CN;
Weiqing Sun, Zhejiang, CN;
Hangzhou Singclean Medical Products Co., Ltd, Hangzhou, CN;
Zhejiang University of Science and Technology, Hangzhou, CN;
Abstract
Disclosed is a method for preparing an oxidized cellulose hemostatic product, including using a sodium hydroxide solution with the concentration of 1 to 5% to pre-process a cellulose product; after removing lignins or impurities on the fiber surface, using an alkaline solution to activate the fiber surface further; after the activating treatment, using demin-water for washing until it is neutral and drying the obtained cellulose product in air to obtain a raw material; using a sodium hydroxide solution with the concentration of 5 to 20% as a solvent; adding the cellulose product, carbamide and ZnO that are 3 to 10%, 2% and 2% of the sodium hydroxide solution respectively.