US 6,203,903 B1Granted

Unmodified polyvinyl alcohol fibers

AssigneeKimberly-Clark Worldwide, Inc.

InventorsJames Hongxue Wang, David Michael Schertz, William S. Pomplun

Life of this patent

Estimating the term…

Abstract

This invention relates, in general, to thermoplastic film and fiber structures and methods of making the same. More specifically, this invention relates to substantially water-free films and fibers comprising unmodified polyvinyl alcohol.

Claims19

Dependent claims

A substantially water-free thermoplastic fiber comprising an unmodified polyvinyl alcohol.

Dependencies are inferred from the claim text.

Facts

Application: 09/464,625Filed 16 Dec 1999 · division
Priority: 1 Jun 1998
Granted: 20 Mar 2001
Term ends: Not estimatedThe source records don’t support an estimate.

Classification11 codes

C08J 5/18
Manufacture of articles or shaped materials containing macromolecular substances: manufacture of films or sheets
D01F 6/14
From homopolymers obtained by reactions only involving carbon-to-carbon unsaturated bonds: from polymers of unsaturated alcohols, e.g. polyvinyl…
C08J 2329/04
Homopolymers or copolymers of unsaturated alcohols: polyvinyl alcohol; Partially hydrolysed homopolymers or copolymers of esters of unsaturated…
Y10T 428/29
Stock material or miscellaneous articles: coated or structually defined flake, particle, cell, strand, strand portion, rod, filament, macroscopic…

Family

Application09/088,352Parent of this division · filed 1 Jun 1998
US 6,020,425 AParent of this division
US 6,203,903 B1This patent

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

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