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. 16, 1996
Filed:
Sep. 22, 1994
James R Moran, Longmeadow, MA (US);
Monsanto Company, St. Louis, MO (US);
Abstract
A no autoclave process for forming a safety laminate which involves interposing a plasticized polyvinyl butyral sheet having a water content of 0.2 weight percent or more between a pair of glass layers to form a laminate assembly, enclosing at least the edges of the assembly in a sealed space, subjecting the sealed space to vacuum to deair the laminate assembly, heating the deaired laminate assembly to a temperature sufficient to seal the edges of the glass layers and plasticized polyvinyl butyral sheet and then subjecting the laminate assembly to a temperature and for a time sufficient to bond the glass layers to the sheet while reducing the vacuum to an extent effective to counteract water bubble formation in the sheet to form a safety laminate meeting the American National Standards Code for Safety Glazing Materials.