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Class Information
Number: 442/381
Name: Fabric (woven, knitted, or nonwoven textile or cloth, etc.) > Nonwoven fabric (i.e., nonwoven strand or fiber material) > Including an additional nonwoven fabric
Description: Subject matter wherein the nonwoven fabric is in association with an additional nonwoven fabric.


Sub-classes under this class:

Class Number Class Name Patents
442/382 Additional nonwoven fabric is a spun-bonded fabric 201
442/386 Including a layer derived from a water-settable material (e.g., cement, gypsum, etc.) 25
442/385 Including a wood fiber containing layer 57
442/393 Including particulate material other than fiber 95
442/387 Mechanically interengaged by needling or impingement of fluid (e.g., gas or liquid stream, etc.) 65
442/391 Multiple nonwoven fabric layers composed of the same inorganic strand or fiber material 144
442/392 Multiple nonwoven fabric layers composed of the same polymeric strand or fiber material 189
442/389 Separate nonwoven fabric layers comprise chemically different strand or fiber material 200


Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
4373000 Soft, drapable, nonwoven interlining fabric Feb. 8, 1983
4371579 Fire-resistant filler sheet laminates Feb. 1, 1983
4342812 Stentered, bonded, heat-set, non-woven fabric and process for producing same Aug. 3, 1982
4302500 Breathable surgical adhesive tape Nov. 24, 1981
4240416 Absorbent structure Dec. 23, 1980
4174414 Production of synthetic suede leather Nov. 13, 1979
4162344 Porous resin impregnated stratified fiber flexible sheet backed mat and process of forming the same Jul. 24, 1979
4158713 Composition board with improved polymeric skin and method of preparing same Jun. 19, 1979
4142017 Flexible laminates and processes for producing same Feb. 27, 1979
4142016 Layered fabrics and processes for producing same Feb. 27, 1979
4104170 Liquid filter having improved extended polypropylene element Aug. 1, 1978
4097638 Selectively sorptive reinforced sheet Jun. 27, 1978
4061817 Luggage shells and process for the manufacture thereof Dec. 6, 1977
4061619 Copolyamide dispersions and methods of making and using same Dec. 6, 1977
4041203 Nonwoven thermoplastic fabric Aug. 9, 1977
4015039 Fibrous dispersion aid for thermoplastics Mar. 29, 1977
3963850 Adhesive formulation improved with solid fillers Jun. 15, 1976

1 2 3 4 5 6 7 8


 
 
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