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. 29, 1997
Filed:
Feb. 28, 1994
Malcolm W Wilcox, Woodbury, MN (US);
Thomas W Martin, Little Canada, MN (US);
Joan V Brennan, St. Paul, MN (US);
Minnesota Mining and Manufacturing Company, St. Paul, MN (US);
Abstract
A cartridge for delivery of aqueous paste dental materials is provided, wherein the cartridge comprises a cartridge body made from an injection moldable material comprising polyolefin polymers. The cartridge body having a Moisture Permeability less than 25 g mil/m.sup.2 day atm. and an Oxygen Permeability greater than 180 cm.sup.3 mil/m.sup.2 day atm. The cartridge body comprises at least one chamber adapted for holding and simultaneously dispensing an aqueous paste dental material. The cartridge has a polymerizable aqueous paste dental material contained within the chamber of the cartridge body, and the cartridge is specially adapted to be mounted in a hand-held ejector-type gun.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile