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:
Jul. 11, 1978
Filed:
Jan. 19, 1976
James A Albright, Ann Arbor, MI (US);
Velsicol Chemical Corporation, Chicago, IL (US);
Abstract
Intumescent coating compositions comprising a coating vehicle and a non-flaming intumescent agent of the formula ##STR1## wherein both X's are identical and selected from the group comprising oxygen and sulfur and wherein each Y is independently selected from the group consisting of alkoxy, halogenated alkoxy, cycloalkoxy, halogenated cycloalkoxy, olefinicoxy, halogenated olefinicoxy and --NR.sub.2 groups, wherein each R is independently selected from the group consisting of hydrogen, alkyl, halogenated alkyl, olefinic, and halogenated olefinic groups, said alkoxy, cycloalkoxy, olefinicoxy, alkyl and olefinic groups containing from 1 to about 12 carbon atoms and said halogenated groups containing from 1 to about 6 halogen substituents per group. A method for protecting a substrate from heat and fire comprising applying to the substrate an intumescing amount of the above described intumescent agents.