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. 30, 2026
Filed:
Jul. 08, 2020
Applicants:
Toyota Motor Europe, Brussels, BE;
Npl Management Limited, Teddington, GB;
Inventors:
Assignees:
TOYOTA JIDOSHA KABUSHIKI KAISHA, Toyota, JP;
NPL MANAGEMENT LIMITED, Teddington, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C01B 3/00 (2026.01); F17C 1/14 (2006.01); G01N 31/22 (2006.01); G01N 33/28 (2006.01); H01M 8/04082 (2016.01);
U.S. Cl.
CPC ...
C01B 3/00 (2013.01); F17C 1/14 (2013.01); G01N 31/22 (2013.01); G01N 33/2835 (2013.01); H01M 8/04216 (2013.01); C01P 2006/80 (2013.01); F17C 2201/0104 (2013.01); F17C 2203/0607 (2013.01); F17C 2203/0643 (2013.01); F17C 2203/0646 (2013.01); F17C 2209/232 (2013.01); F17C 2221/012 (2013.01); F17C 2221/03 (2013.01); F17C 2223/035 (2013.01); F17C 2223/036 (2013.01);
Abstract
The present invention relates to a hydrogen gas composition comprising specific gas contaminants at threshold limit values (as listed in the ISO 14687:2019 standard). The invention also concerns a metal cylinder such as an aluminium cylinder comprising a hydrogen gas composition according to the invention. The hydrogen gas composition of the invention may be used as a calibration composition and/or quality control composition for controlling hydrogen fuels.