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:
Dec. 25, 2000
Filed:
Sep. 23, 1997
Thomas G Schulz, Newark, OH (US);
Mark C Danner, Newark, OH (US);
Glenda J Cahill, Granville, OH (US);
Harvey C Tung, Newark, OH (US);
The Dow Chemical Company, Midland, MI (US);
Abstract
A multilayer protective film useful in insulated wall structures of appliances such as refrigerators, freezers, or boiler units, for example. The multilayer protective film has a substantially polyolefin protective layer. The multilayer protective film also has a substantially polyolefin surface capable of bonding to polyurethane foam without the use of an adhesive. The multilayer protective film bonds to and protects thermoplastic liners from attack by blowing agents used in the production of polyurethane foam. The multilayer protective film is also adaptable to be regrind-compatible into thermoplastic liners made of styrenic polymers.