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:
May. 28, 1996
Filed:
Aug. 02, 1995
Andrew J Wnuk, Wyoming, OH (US);
Thurman J Koger, II, Hamilton, OH (US);
The Procter & Gamble Company, Cincinnati, OH (US);
Abstract
A coextruded, multilayer polymeric film having a core layer including a surfactant and at least one outer layer is placed on a forming structure. The forming structure moves in a direction parallel to the direction of travel of the multilayer film and carries the multilayer film in that direction. A fluid pressure differential is applied across the thickness of the multilayer film along the direction of movement of the forming structure. The fluid pressure differential is sufficiently great to cause the multilayer film to conform with the forming structure forming a formed polymeric web. The formed polymeric web is exposed to a temperature which is sufficiently great enough to allow the surfactant in the core layer to migrate to the outer layer to form a surfactant treated formed polymeric web.