Patent · US Active

Spunbonded web comprising polylactic acid fibers

US10273612B2 · kind B2 · utility

1Cited by

24References

25Claims

0Family size

Assignee

3M INNOVATIVE PROPERTIES COMPANY · US

Inventors

Liming Song · Qingdao, CN
Sachin Talwar · Woodbury, US
John D. Stelter · Ripon, US
John M. Sebastian · Maplewood, US
Nathan E. Schultz · Lakeland, US
Eric M. Moore · Woodbury, US
Fuming B. Li · Woodbury, US
Andrew R. Fox · Oakdale, US
Michael R. Berrigan · Oakdale, US
Zackary J. Becker · Windom, US

Key dates

Filing date	Aug 25, 2015
Grant date	Apr 30, 2019
Priority date	—
Expiry date	Jul 2, 2036

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD10B2505/04
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

Spunbonded electret webs comprising polylactic acid fibers, in which at least some of the polylactic acid fibers are meltspun, drawn, charged fibers that include charging additive; and, methods of making such fibers and webs.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.