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. 12, 2001
Filed:
Mar. 03, 2000
Richard L. Buxton, Boise, ID (US);
Erik M. Parker, Boise, ID (US);
Trus Joist MacMillan a Limited Partnership, Boise, ID (US);
Abstract
A flame-intumescent coating is provided for a wood-based building product, the coating being adapted to expand to form an expanded coating when exposed to heat from a fire. The coating comprises a polymeric binder, at least one blowing agent dispersed in the binder, and at least one intumescent compound dispersed in the binder. The blowing agent and intumescent compound are adapted to expand the coating when the coating is exposed to heat from a fire. The polymeric binder is formed from a mixture including castor oil and an isocyanate, wherein the castor oil is present in the mixture in a quantity of 9-36% of the total weight of the coating. A flame-retardant building product is also provided.