Water- and oil-absorbent medium comprising milled sphagnum,...

Details Water- and oil-absorbent medium comprising milled sphagnum,... Water- and oil-absorbent medium comprising milled sphagnum,...

2005-05-10

2005-05-10

Kiliman, Leszek B (Department: 1773)

Stock material or miscellaneous articles

Coated or structually defined flake, particle, cell, strand,...

Particulate matter

C428S535000, C428S536000, C428S537100, C604S358000, C604S364000, C604S367000, C604S374000, C604S375000, C604S385101

Reexamination Certificate

active

06890651

ABSTRACT:
Sphagnum, sphagnum moss, and/orsphagnumpeat is milled to create a multitude ofsphagnum, sphagnum moss, and/orsphagnumpeat particles substantially all of which have a size less than about 850 microns. Particles of milledsphagnum mosshave been shown to retain excellent water and oil absorption capabilities until particle sizes become smaller than 180 microns.

REFERENCES:
patent: 3690034 (1972-09-01), Knapp
patent: 4215692 (1980-08-01), Levesque
patent: 4551165 (1985-11-01), Warner
patent: 5661997 (1997-09-01), Levesque et al.
patent: 5718697 (1998-02-01), Chauvette et al.
patent: 6555007 (2003-04-01), Bilkey

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