US PATENT SUBCLASS 430 / 611
.~.~.~ Mercaptan, thioether, thione, disulfide or organic bisulfite

Current as of: June, 1999
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430 /   HD   RADIATION IMAGERY CHEMISTRY: PROCESS, COMPOSITION, OR PRODUCT THEREOF

495.1  DF  RADIATION SENSITIVE PRODUCT {7}
564  DF  .~ Silver compound sensitizer containing {18}
607  DF  .~.~ Stabilizing or fog inhibiting ingredient containing {6}
611.~.~.~ Mercaptan, thioether, thione, disulfide or organic bisulfite

DEFINITION

Classification: 430/611

Mercaptan, thioether, thione, disulfide or organic bisulfite:

(under subclass 607) Subject matter containing a compound which includes any of these groups: R-SH, R-S-R, R-S-S-R, R-SO3 H, or water-soluble salt thereof.

(1) Note. R-S-R or R-S-S-R may be in the open chain form or may form part of a heterocyclic ring.

(2) Note. The salts contemplated are those wherein the H of an R-SH or R-SO3 H has been replaced by a salt forming moiety such as an alkali metal radical.