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:
Sep. 19, 1989
Filed:
Mar. 23, 1988
Applicant:
Inventor:
Donald H Russell, Cherry Hill, NJ (US);
Assignee:
Z-Gard, Inc., Kansas City, MO (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62D / ; C01B / ;
U.S. Cl.
CPC ...
25218632 ; 25218627 ; 25218633 ; 25218643 ; 423581 ; 42840224 ; 42721336 ; 427220 ; 427221 ;
Abstract
An oxygen generating microencapsulated composition includes an oxygen generating core material and a coating which is water swellable. When exposed to water, the coating ruptures in an exfoliating manner, exposing the core material to water and thereby generating oxygen. The rate of oxygen release from the microcapsule can be controlled by altering wall continuity, thickness, capsule diameter, and coating characteristics. In other embodiments, combustion resistant materials are included in the wall material.