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. 26, 2013
Filed:
May. 26, 2009
Applicants:
David Alan Little, Newtown, PA (US);
Magesh Sundaram, Chicago, IL (US);
Inventors:
David Alan Little, Newtown, PA (US);
Magesh Sundaram, Chicago, IL (US);
Assignee:
Dober Chemical Corp., Woodridge, IL (US);
Attorneys:
Primary Examiner:
Int. Cl.
CPC ...
C02F 1/68 (2006.01);
U.S. Cl.
CPC ...
Abstract
Containers for controlled release of an additive composition into a liquid composition include a liquid impermeable casing having a hollow interior, at least one opening and a membrane component secured to the casing. Methods of releasing additive compositions into liquid compositions are also provided.