US PATENT SUBCLASS 8 / 128.1-- .~.~ Natural wool or silk

US PATENT SUBCLASS 8 / 128.1
.~.~ Natural wool or silk

Current as of: June, 1999
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8 /	HD	BLEACHING AND DYEING; FLUID TREATMENT AND CHEMICAL MODIFICATION OF TEXTILES AND FIBERS

115.51	DF	CHEMICAL MODIFICATION OF TEXTILES OR FIBERS OR PRODUCTS THEREOF {7}
127.5	DF	.~ Proteinaceous fibers {3}
128.1		.~.~ Natural wool or silk {1}
128.3	DF	.~.~.~> Chemical modification in the presence of a sulfur or silicone containing material

DEFINITION

Classification: 8/128.1

Natural wool or silk:

Subject matter under search class 127.5 wherein wool or silk fibers, felts, or fabrics thereof, are subjected to a chemical modification.

(1) Note. Included within the term wool are alpaca and mohair.

SEE OR SEARCH THIS CLASS, SUBCLASS:

94.14, for the chemical treatment of fur which remains attached to the hide or skin.

112, for improving felting properties.

443, for the weighting of animal fibers and their after treatment, i.e, to protect or preserve such weighted material from the effects of the weighting metal.