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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.:

US 5368922 B1

PDFFull Text
Date of Patent:
Nov. 29, 1994

Filed:

Nov. 04, 1993

Prepreg of thermoplastic polymer particles in liquid thermosettable resin

Applicant:
Inventors:

Gene B Portelli, Woodbury, MN (US);

William J Schultz, Vadnais Heights, MN (US);

John T Boden, White Bear Lake, MN (US);

Daniel M Kaufer, Scandia, MN (US);

Assignee:

Minnesota Mining and Manufacturing Company, St. Paul, MN (US);

Attorneys:

Griswold; Gary L.

Kirn; Walter N.

Sherman; Lorraine R.

Primary Examiner:

Robert E Sellers

Int. Cl.
CPC ...
B32B / ; B32B / ; B32B / ;
U.S. Cl.
CPC ...
428229 ; 428245 ; 428290 ; 428294 ; 523435 ; 523440 ; 523443 ; 523444 ; 524 80 ; 524443 ; 524445 ; 524493 ; 524494 ; 524495 ; 524500 ; 524513 ; 524514 ; 524537 ; 524538 ; 524539 ;
Abstract

A thermosettable resin composition having a viscosity that decreases during processing temperatures and increases as the temperature is raised to curing temperatures is provided. The composition comprises thermosettable resins and thermoplastic particles that are insoluble in the thermosettable resins at processing temperatures but soluble in the thermosettable resins at curing temperatures. Prepregs prepared from the thermosettable resin composition are also provided.

Find Patent Forward Citations

Portelli, Gene. (1994). Prepreg of thermoplastic polymer particles in liquid thermosettable resin (U.S. Patent No. 5368922). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5368922

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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