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. 08, 1987
Filed:
Sep. 25, 1985
Applicant:
Inventor:
Paul F Hood, Stamford, CT (US);
Assignee:
Stone Container Corporation, Chicago, IL (US);
Primary Examiner:
Int. Cl.
CPC ...
D21F / ; D21H / ;
U.S. Cl.
CPC ...
162123 ; 162138 ; 162158 ; 162231 ; 206328 ;
Abstract
Antistatic cartons of containerboard having 0.3 to 3.5 percent by weight conductive carbon for protecting electrostatic discharge sensitive devices. The containerboard is made from an alkaline pulp which eliminates acid contamination, increases shelf life, provides Mullen burst strength in the linerboard which exceeds 90(.+-.1) pounds per square inch. The surface resistivity is in the range of from 10.sup.3 to 10.sup.9 ohms per square. The carton includes conductive adhesives to insure dissipation of any static charges.