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:
Nov. 27, 2018
Filed:
Oct. 31, 2014
3m Innovative Properties Company, St. Paul, MN (US);
Jiangdong Tong, Ontario, CA;
Hui Zhu, Ontario, CA;
3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US);
Abstract
A solid intumescent material is made of a of about 30 wt % or less, based on total weight of the intumescent material, of a hot melt thermoplastic or elastomeric resin (e.g. an EVA resin), a reinforcing material (e.g. glass fibers having an aspect ratio of at least about 100), inorganic filler and an intumescent component (e.g. ammonium polyphosphate, pentaerythritol and melamine). The intumescent material may be formed into fire protection barriers of various thicknesses and may be shaped at a temperature well below the activation temperature of the intumescent material to permit conforming the barrier to requirements at a job site.