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:
Jun. 09, 1998
Filed:
Apr. 27, 1993
Scott D Barnhart, York, PA (US);
Elio P Mariani, Lancaster, PA (US);
Hercon Laboratories Corporation, New York, NY (US);
Abstract
A transdermal delivery system is described, including a backing layer having coated thereon an active drug-containing adhesive layer which includes (a) an acrylic-based adhesive which is self-crosslinking at a temperature of from about 20.degree. C. to about 65.degree. C. and (b) an active drug. A method for manufacturing a transdermal delivery system is also described, including (A) mixing an active drug with an acrylic-based adhesive solution which is self-crosslinking at a temperature of from about 20.degree. C. to about 65.degree. C. to form an active drug-adhesive mixture, (B) forming a coating of the active drug-adhesive mixture on a backing layer, and (C) drying the coating to form an active drug-containing adhesive layer. Examples of the active drug include nitroglycerin and estradiol.