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:
Nov. 13, 2012
Filed:
Sep. 24, 2004
Luquan Ren, Jilin Province, CN;
Xiaoming Qiu, Jilin Province, CN;
Qingping Liu, Jilin Province, CN;
Guilan Zhang, Jilin Province, CN;
Zhanrong Cui, Jilin Province, CN;
Hongxiu Yang, Jilin Province, CN;
Liang GE, Jilin Province, CN;
Luquan Ren, Jilin Province, CN;
Xiaoming Qiu, Jilin Province, CN;
Qingping Liu, Jilin Province, CN;
Guilan Zhang, Jilin Province, CN;
Zhanrong Cui, Jilin Province, CN;
Hongxiu Yang, Jilin Province, CN;
Liang Ge, Jilin Province, CN;
Jilin University, Changchun, CN;
Abstract
The invention relates to a non-stick cooking utensil, wherein protrusions are arranged on interior wall of the utensil to form a non-smooth surface, said protrusion has a height of 20-999 μm and a projection area of 314-783431 μmwith respect to the interior surface of the utensil, the protrusions are so distributed that the total projection area of protrusions on the surface of the interior wall is about 10%-60% of the surface area, a coating film is formed on said non-smooth surface with protrusions. As compared with utensils with smooth surface, the sticking intensity and stickiness between foods and the utensil of present invention may be decreased by 60%-80%.