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:
Jun. 24, 2025
Filed:
Feb. 12, 2021
Nippon Shokubai Co., Ltd., Osaka, JP;
Kimiaki Nishimura, Himeji, JP;
Nobuya Tanaka, Himeji, JP;
Tomoya Arai, Himeji, JP;
Kazuki Kimura, Himeji, JP;
Kazushi Horie, Himeji, JP;
Kenji Tada, Himeji, JP;
NIPPON SHOKUBAI CO., LTD., Osaka, JP;
Abstract
It is an object to provide a water-absorbing resin that while maintaining water-absorbing resin physical properties such as water absorption performance, has a sufficiently reduced odor produced during swelling. The object is attained by causing the water-absorbing resin to be a water-absorbing resin which is a surface-crosslinked water-absorbing resin, the water-absorbing resin having a volatile component concentration of 3.5 ppm or less as measured when the water-absorbing resin is caused to stand still for 15 minutes under a condition that the water-absorbing resin has a swelling capacity of 1.0-fold.