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:
Jun. 29, 1976
Filed:
Jul. 15, 1974
Applicant:
Inventors:
Richard L Ballman, Gulf Breeze, FL (US);
Kenneth R Lea, Pensacola, FL (US);
Walter J Nunning, Gulf Breeze, FL (US);
John H Southern, Gulf Breeze, FL (US);
Assignee:
Monsanto Company, St. Louis, MO (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B29F / ;
U.S. Cl.
CPC ...
264171 ; 260 / ;
Abstract
A particular elastomeric polyurethane polymer is heated to about 225.degree.C. to ensure complete melting prior to extrusion side-by-side with a molten hard polymer. The polyurethane polymer is made from an aromatic diisocyanate, a high molecular weight (800-3000) diol and a low molecular weight (500 or less) diol, combined in specific ratio ranges.