Process for producing heatsealable filter materials

Details Process for producing heatsealable filter materials Process for producing heatsealable filter materials

2011-03-15

2011-03-15

Halpern, Mark (Department: 1741)

Paper making and fiber liberation

Processes and products

Multi-layer waterlaid webs or sheets

C162S129000, C162S158000

Reexamination Certificate

active

07905985

ABSTRACT:
Processes for producing a filter material which contains heatsealable, biodegradable and compostable polymeric fibers and is characterized in that it additionally contains a lubricant in an amount from 0.5 to 5.0% by weight, based on the paper weight of the ready-produced filter material.

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