U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Inorganic anisotropic hollow fibers

Patent 4268278 Issued on May 19, 1981. Estimated Expiration Date: Icon_subject February 5, 1999. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.

Patent References

2728698

2900708

2911057

2961062

3001871

3022187

3052967

3078552

3111396

3226263

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Inventors

Application

No. 06/009579 filed on 02/05/1979

US Classes:

419/2, Making porous product264/43, Including vitrification or firing264/634, Shaping by extrusion (e.g., spinning, etc.)95/56, Elemental metal or alloy barrier96/10Hollow fiber or cylinder

Examiners

Primary: Spitzer, Robert

Attorney, Agent or Firm

International Classes

B22D 11/00 (20060101)
B22F 1/00 (20060101)
B22F 3/00 (20060101)
C03B 37/022 (20060101)
C04B 20/00 (20060101)
D01F 9/08 (20060101)
D01F 9/10 (20060101)
H01M 4/86 (20060101)
H01M 8/00 (20060101)
H01M 10/36 (20060101)
B01D 53/22 (20060101)
B01D 71/00 (20060101)
B01D 71/02 (20060101)
B01J 35/00 (20060101)
B01J 35/06 (20060101)
C04B 35/622 (20060101)
C03B 37/075 (20060101)
C03B 37/02 (20060101)
D01D 5/00 (20060101)
D01D 5/24 (20060101)
H01M 10/39 (20060101)

Abstract

Essentially inorganic monolithic hollow fibers having a radially anisotropic internal void volume wall structure. Process for the production of such fibers. Apparatus and processes using such fibers.

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