Absorbent filter paper stick

Details Absorbent filter paper stick Absorbent filter paper stick

1997-03-03

1998-12-22

Hess, Bruce H.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

428 32, 428 342, 428 57, 428 62, 428121, 428124, 428171, 428192, 428401, 428913, 604 1, 604 2, 1510494, B32B 900

Patent

active

058516131

ABSTRACT:
An essentially homogeneous, water-resistant, water-absorbent rod, containing a cohesive spiral winding of water-resistant, water-absorbent sheet material, in which the rod can absorb at least 50% by weight of water when placed in water at 23.degree. C. for one minute. Methods for fabricating and using this rod are also described.

REFERENCES:
patent: 2137958 (1938-11-01), Stephan
patent: 2813286 (1957-11-01), Strader
patent: 3542025 (1970-11-01), Gustafson
patent: 3591885 (1971-07-01), Fritzen
patent: 3609789 (1971-10-01), Slater
patent: 3671993 (1972-06-01), Smedstad
patent: 4855108 (1989-08-01), Masuda et al.
patent: 5214821 (1993-06-01), Burrow et al.
patent: 5229181 (1993-07-01), Daiber et al.
patent: 5681437 (1997-10-01), Black et al.

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