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:
Oct. 24, 2000
Filed:
Feb. 18, 1997
Applicant:
Inventors:
Sharon A Free, Wallingford, PA (US);
David J Kelly, Chadds Ford, PA (US);
Rocco P Triolo, Broomall, PA (US);
Robert A Volz, deceased, late of West Chester, PA (US);
Assignee:
Foamex, L.P., Linwood, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C08G / ; C08G / ;
U.S. Cl.
CPC ...
521137 ; 521174 ; 521176 ;
Abstract
The present invention relates to very fine cell flexible polyurethane foams having at least 87 pores per linear inch (as measured by pressure drop techniques) wherein at least 65% of the isocyanate equivalents of said polyurethane are obtained from MDI. The invention also relates to processes for preparing the very fine cell polyurethane foams.