US PATENT SUBCLASS 8 / 443
WEIGHTING PROCESS (LOADING SILK WITH METAL SALTS)

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

443WEIGHTING PROCESS (LOADING SILK WITH METAL SALTS)

DEFINITION

Classification: 8/443

WEIGHTING PROCESS (LOADING SILK WITH METAL SALTS):

(under the class definition) Processes for weighting a textile.

(1) Note. Weighting agents are normally antimony or heavy metal salts to add weight to silk.

(2) Note. The amount of metallic compound for weighting silk differs from the amount used for mordanting. Combined weighting and mordanting is herein.

(3) Note. Herein the weighting materials may be treated to

overcome or inhibit the destructive effect of acids or other substances that might develop on decomposition of the incorporated weighting materials.

SEE OR SEARCH THIS CLASS, SUBCLASS:

618+, for compositions for weighting.