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. 19, 2019
Filed:
Aug. 22, 2017
Agc Inc., Chiyoda-ku, JP;
Shuji Yamazaki, Chiyoda-ku, JP;
Shuichiro Kimura, Chiyoda-ku, JP;
Kenji Kitaoka, Chiyoda-ku, JP;
Yu Hanawa, Chiyoda-ku, JP;
AGC Inc., Chiyoda-ku, JP;
Abstract
There is provided a glass substrate for observing minute substance, made of porous glass and capable of separating and capturing a minute substance with a 10 to 500 nm average particle diameter contained in a solution or a suspension, comprising a porous glass substrate having a plurality of pores, wherein the plurality of pores has an average pore diameter ranging from 30 to 110% of the average particle diameter of the minute substance, each of the plurality of pores has a surface pore diameter on an uppermost surface of the glass substrate, a standard deviation of the surface pore diameter is 60% or less of the average particle diameter of the minute substance, and a pore with a pore diameter ranging from 60 to 140% of a pore diameter at peak top in a pore diameter distribution of the plurality of pores occupies 90% or more of total pore volume.