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. 04, 2003
Filed:
Aug. 07, 2001
Applicant:
Inventor:
Dennis Keith Fisher, Brooklyn, MI (US);
Assignee:
Adco Products, Inc., Michigan Center, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08K 5/01 ; C08K 5/03 ; C08L 2/316 ; C08L 5/302 ;
U.S. Cl.
CPC ...
C08K 5/01 ; C08K 5/03 ; C08L 2/316 ; C08L 5/302 ;
Abstract
A lap edge sealant composition is provided for adhering together overlapping sheets of roofing material which includes a rubbery polymer such as EPDM, a thermoplastic rubber, a tackifier, and a solvent, where the solvent is selected from aliphatic hydrocarbons, para-chlorobenzotrifluoride, or blends thereof. The lap edge sealant has a high solids content of about 65 to 90%, a volatile organic compound (VOC) content of less than about 250 g/l, and exhibits no more than about 35% shrinkage upon curing.