Filter elements for gas or liquid and methods of making such fil

Filter material

Filter material with flavoring and flavor-protecting...

Filter media and method of making same

Filter paper

Filter paper and method of making same

Filtering material and process for producing same

Filtration fabric produced by wet laid process

Fine particle size lime slurries and their production

Fines retention in papermaking with amine functional polymers

Fire resistant vermiculite composition board and method of manuf

Fire resistant, bauxite-containing, wood composition board

Fire retardant webs and internal treatment therefor

Fire-retardant saturating kraft paper

Fireblocking/insulating paper

Flame barrier compositions and their use

Flame retardant cellulosic boards

Flame spread barrier made from mechanically delaminated vermicul

Flash curing of fibrous webs treated with polymeric reactive...

Flexible absorbent boards