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:
Mar. 30, 2021
Filed:
Dec. 02, 2016
Applicant:
Asahi Kasei Kabushiki Kaisha, Tokyo, JP;
Inventors:
Akio Inoue, Minoo, JP;
Tomoko Kozono, Tokyo, JP;
Assignee:
ASAHI KASEI KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C09K 5/00 (2006.01); C10M 169/04 (2006.01); C10M 169/02 (2006.01); A63B 21/00 (2006.01); A63B 22/00 (2006.01); C10M 107/38 (2006.01); C10M 107/50 (2006.01); C10M 119/26 (2006.01); F16F 9/20 (2006.01); F16F 9/53 (2006.01); C10M 151/00 (2006.01); G05G 1/04 (2006.01); C10M 105/50 (2006.01); G06F 3/01 (2006.01); B25J 19/02 (2006.01); G05G 5/03 (2008.04); A63F 13/285 (2014.01); A63F 13/245 (2014.01); A63F 13/818 (2014.01); C10N 30/00 (2006.01); C10N 40/08 (2006.01); C10N 50/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/02 (2013.01); A63B 21/4035 (2015.10); A63B 22/0002 (2013.01); A63F 13/285 (2014.09); B25J 19/02 (2013.01); C10M 105/50 (2013.01); C10M 107/38 (2013.01); C10M 107/50 (2013.01); C10M 119/26 (2013.01); C10M 151/00 (2013.01); C10M 169/04 (2013.01); F16F 9/20 (2013.01); F16F 9/53 (2013.01); G05G 1/04 (2013.01); G05G 5/03 (2013.01); G06F 3/01 (2013.01); A63B 2022/0094 (2013.01); A63F 13/245 (2014.09); A63F 13/818 (2014.09); C10M 2213/023 (2013.01); C10M 2213/0606 (2013.01); C10M 2221/02 (2013.01); C10M 2229/0415 (2013.01); C10N 2030/60 (2020.05); C10N 2040/08 (2013.01); C10N 2050/015 (2020.05);
Abstract
An electrorheological fluid which comprises a dispersion medium containing fluorine atoms in an amount larger than 0 wt % but not larger than 50.0 wt % and particles for electrorheological fluid use that are contained in the dispersion medium in an amount of 10-50 vol % of the total volume of the dispersion medium and the particles, the particles comprising a sulfonic-acid-group-containing polymer having a sulfonic acid group content of 30-70 wt %.