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.

Date of Patent:
Jul. 23, 1991

Filed:

Mar. 01, 1990
Applicant:
Inventors:

George W Kellett, Cranford, NJ (US);

James A Smith, Chatham, MA (US);

Bonnie Johanning, Clifton, NJ (US);

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A61L / ;
U.S. Cl.
CPC ...
424 764 ; 424 763 ; 239 55 ; 25217411 ; 2523151 ; 514944 ; 514945 ; 521 53 ; 521 55 ; 523102 ;
Abstract

A solid composite air freshening article is provided which comprises a granular foam phase dispersed throughout a gelled phase in an amount effective to provide a sustained release of an effective amount of volatile air freshening ingredients present in both the foam and gelled phases. The foam phase comprises granules of a hydrophilic, polyurethane foam incorporating a volatile air freshening ingredient, a surfactant, and a solid filler material, while the gelled phase comprises water, a gelling agent, an organic solvent, and the same or a different air freshening ingredient as the granular foam phase.


Find Patent Forward Citations

Kellett, George. (1991). Composite gel-foam air freshener (U.S. Patent No. 5034222). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5034222

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Loading…