US 2003/0213557 A1Published application

Reactive hot melt adhesive

OwnerJames W. Nowicki, Daniel T. Rumackinventors

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Abstract

A reactive polyurethane hot melt adhesive having improved adhesion to wood contains a polymeric isocyanate.

Claims6

Dependent claims

A method of improving the adhesion of a polyurethane hot melt adhesive to a substrate having at least one active hydrogen comprising adding a polymeric isocyanate to a polyurethane reactive hot melt formulation.

Dependencies are inferred from the claim text.

Facts

Application: 10/464,146Filed 17 Jun 2003
Priority: 9 Jul 2001
Published: 20 Nov 2003
Term ends: Not estimatedThe source records don’t support an estimate.

Classification6 codes

C09J 175/04
Adhesives based on polyureas or polyurethanes; Adhesives based on derivatives of such polymers: polyurethanes
C08G 18/12
Prepolymer processes involving reaction of isocyanates or isothiocyanates with compounds having active hydrogen in a first reaction step: using…
C08G 18/4063
Two or more macromolecular compounds not provided for in one single group of groups C08G18/42 - C08G18/64: mixtures of compounds of group…
C08G 2170/20
Compositions for adhesives: compositions for hot melt adhesives

Family

Application09/901,226Continuation in part · filed 9 Jul 2001
Application10/464,146Continuation in part · filed 17 Jun 2003
US 2003/0010442 A1Published application
US 2003/0213557 A1This patent

From the US filing history. Foreign family members aren’t listed.

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