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:
Apr. 27, 1993
Filed:
Apr. 24, 1992
Larry D Nichols, Arlington, MA (US);
Moleculon, Inc., Elizabeth, NJ (US);
Abstract
Liquefiable powder compositions are disclosed for the delivery of topical insect repellents. In particular, microporous cellulosic powders, such as cellulose acetates or nitrates, are disclosed as high liquid content vehicles for the delivery of liquid insect or tick repellent preparations. The resulting powders permit the application of the arthropod repellent preparation by simply rubbing or brushing the formulation onto the skin, in such a manner that the powder liquefies and appears to vanish. Upon application, the frangible, liquid loaded cellulosic powders break up into minute particles that do not pass easily beyond the initial layers of the skin, but do permit the slow release of the insect repellent agent.