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:
Dec. 20, 1983
Filed:
Mar. 25, 1981
Nippon Kayaku Kabushiki Kaisha, Tokyo, JP;
Taiho Pharmaceutical Company Limited, Tokyo, JP;
Nichiban Co. Ltd., Tokyo, JP;
Abstract
Pressure-sensitive adhesive tapes or sheets containing nitroglycerin whose release and retention are regulated. Process for the production of pressure-sensitive adhesive tapes or sheets containing nitroglycerin, in which a rubber base adhesives applied on a backing is coated with softeners containing nitroglycerin and then covered with an impermeable protection sheet. Process for the production of pressure-sensitive adhesive tapes or sheets containing nitroglycerin, in which a backing is coated with adhesives comprising a rubber base adhesive basis and tackifiers, while a separator is coated with a solution of softeners for rubber base adhesives in which nitroglycerin is dissolved, and then the softener coated surface of the separator is laid on the adhesive-coated surface of the backing and they are kept at the temperature at which nitroglycerin is stable so that the nitroglycerin and softeners transfer into the adhesives.