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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 5834554 B1

PDFFull Text
Date of Patent:
Nov. 10, 1998

Filed:

Mar. 05, 1996

Laminating adhesives for flexible packaging

Applicant:
Inventors:

Youlu Duan, Minneapolis, MN (US);

Douglas U Gwost, Shoreview, MN (US);

Lowell Lindquist, St. Paul, MN (US);

Scott Rhein, Forest Lake, MN (US);

Thomas E Rolando, Maple Grove, MN (US);

Sonja Stammler, St. Croix, MN (US);

Peter A Voss, Plymouth, MN (US);

Michael J Dockniak, Stillwater, MN (US);

Assignee:

H. B. Fuller Licensing & Financing, Inc., Arden Hills, MN (US);

Attorney:

Vidas, Arrett & Steinkraus

Primary Examiner:

Patrick D Niland

Int. Cl.
CPC ...
C08J / ; C08J / ; C08L / ; C09J / ;
U.S. Cl.
CPC ...
524591 ; 1563311 ; 1563314 ; 1563317 ; 4284231 ; 4284235 ; 4284237 ; 4284242 ; 4284244 ; 4284246 ; 4284258 ; 524539 ; 524507 ; 524839 ; 524840 ;
Abstract

A process for the preparation of sulfonated polyurethane-urea polymers, which are useful film to film laminating adhesives for flexible packaging in which the urethane-urea polymer component has no amide linkages. The water-based sulfonated polyurethane prepolymers are processed at reduced temperatures and are substantially free of volatile and/or leachable contaminants.

Find Patent Forward Citations

Duan, Youlu. (1998). Laminating adhesives for flexible packaging (U.S. Patent No. 5834554). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5834554

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

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