Plastic and nonmetallic article shaping or treating: processes – Forming continuous or indefinite length work – Shaping by extrusion
Patent
1995-06-06
1997-08-05
Bell, James J.
Plastic and nonmetallic article shaping or treating: processes
Forming continuous or indefinite length work
Shaping by extrusion
26417716, 26421114, B28B 320
Patent
active
056539304
ABSTRACT:
The present invention comprises processes for preparing biodegradable fibrils from one or more biodegradable homopolymeric or copolymeric resins, said process comprising: a) forming a liquid resin mixture by melting or solvating the resin or resins; and b) introducing the liquid resin mixture to a flow of a gaseous substance. The present invention further comprises biodegradable fibrils made according to the processes of the present invention. The invention further comprises nonwoven fabrics comprising biodegradable fibrils. The invention further comprises disposable absorbent articles comprising a water-permeable topsheet, an absorbent core, and a water-impermeable backsheet, wherein the topsheet comprises a nonwoven substrate comprising biodegradable fibrils. The invention further comprises disposable articles comprising biodegradable fibrils.
REFERENCES:
patent: 2988782 (1961-06-01), Parrish et al.
patent: 2999788 (1961-02-01), Morgan
patent: 3743272 (1973-07-01), Nowotny et al.
patent: 3831317 (1974-08-01), Porte
patent: 3849040 (1974-11-01), McGinnis et al.
patent: 3882095 (1975-05-01), Fowells et al.
patent: 4013751 (1977-03-01), Davis et al.
patent: 4047862 (1977-09-01), Keith
patent: 4091058 (1978-05-01), Sander et al.
patent: 4098640 (1978-07-01), Sander et al.
patent: 4187143 (1980-02-01), Sander et al.
patent: 4196305 (1980-04-01), Murphy et al.
patent: 4219512 (1980-08-01), Sinn et al.
patent: 4224259 (1980-09-01), Sander et al.
patent: 4374788 (1983-02-01), Gonzales
patent: 4603070 (1986-07-01), Steel et al.
patent: 4642262 (1987-02-01), Piotrowski et al.
patent: 4915893 (1990-04-01), Gogolewski et al.
patent: 4944734 (1990-07-01), Wallach
patent: 5026589 (1991-06-01), Schechtman
patent: 5053482 (1991-10-01), Tietz
patent: 5110852 (1992-05-01), Gogolewski et al.
patent: 5114537 (1992-05-01), Scott et al.
patent: 5300358 (1994-04-01), Evers
Derwent Abstract No. 84-16888/27, Japanese Patent Application No. 5 9088-915-A, Published May 23, 1994.
Derwent Abstract No. 92-093000/12, Japanese Patent Application No. 0 4036-320-A, published Feb. 26, 1992.
Derwent Abstract No. 79676B/44, Japanese Patent Application No. 5 4120-727, published Sep. 19, 1979.
Derwent Abstract No. 91-354911/49, German Patent Application No. 4016-348-A, published Nov. 28, 1991.
Drelich, A., "Thermal Bonding With Fusible Fibers", Nonwovens Industry, pp. 12-26 (Sep. 1985).
Gordon, W, H.J., Leugering and H. Cherfron, "Polyethylene Fibrids: Preparation and Properties" Angew. Chem. Int. Ed. Engl, vol. 17, pp. 820-825 (1978).
Raven, T.W., "Synthetic Pulp", Chemtech, pp. 54-62 (Jan. 1985).
"Biopol Processing Fibres", Product description, Marlborough Biopolymers Ltd.
Lampe Reinhold August
Noda Isao
Satkowski Michael Matthew
Bell James J.
Clark Karen F.
Corstanje Brahm J.
Roof Carl J.
The Procter & Gamble & Company
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