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:
Jan. 20, 1976
Filed:
Sep. 05, 1972
Applicant:
Inventors:
Richard E Skochdopole, Midland, MI (US);
Keith R Denslow, Midland, MI (US);
Assignee:
The Dow Chemical Company, Midland, MI (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29D / ; B65D / ;
U.S. Cl.
CPC ...
264 455 ; 206523 ; 260 / ; 260 / ; 264 459 ; 264 461 ; 264 51 ; 264129 ; 264151 ; 264174 ; 264343 ; 428369 ; 428394 ; 428398 ; 428399 ;
Abstract
Generally linear foamable strandular particles which are asymmetrical about a plane generally containing the longitudinal axis provide a desired curled dunnage material when heated to cause foaming. A wide variety of methods may be used to introduce the desired asymmetry.