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:
Jan. 29, 2008
Filed:
May. 01, 2003
Applicants:
Paul William Robinson, Hull, GB;
Richard Paul Harbutt, Rowly, GB;
David Bedford, Hull, GB;
Inventors:
Assignee:
Reckitt Benckiser (UK) Limited, Slough, Berkshire, GB;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B01D 53/26 (2006.01);
U.S. Cl.
CPC ...
Abstract
A dehumidifying device for absorbing water vapour from ambient air comprising a container having an opening to permit water vapour to enter the container, the container having a water-absorbing agent disposed therein for absorbing water vapour, wherein a first portion of the water-absorbing agent is adapted to provide an indication of water absorption faster than a second portion of the water-absorbing agent following exposure of the first and second portions of water-absorbing agents to water vapour, thereby providing an early indication of the operation of the device.