US PATENT SUBCLASS 554 / 196
.~.~.~.~ Silicon containing treating agent (e.g., sodium silicate, etc.)

Current as of: June, 1999
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554 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {1}
1  DF  .~ Fatty compounds having an acid moiety which contains the carbonyl of a carboxylic acid, salt, ester, or amide group bonded directly to one end of an acyclic chain of at least seven (7) uninterrupted carbons, wherein any additional carbonyl in the acid moiety is (1) part of an aldehyde or ketone group, (2) bonded directly to a noncarbon atom which is between the additional carbonyl and the chain, or (3) attached indirectly to the chain via ionic bonding {23}
175  DF  .~.~ Purification, recovery, deodorizing, decolorizing or color stabilizing {14}
195  DF  .~.~.~ Group IA or IIA light metal containing treating agent (i.e., Li, Na, K, Rb, Cs, or Be, Mg, Ca, Sr, Ba) [e.g., carbonates, etc.] {5}
196.~.~.~.~ Silicon containing treating agent (e.g., sodium silicate, etc.)

DEFINITION

Classification: 554/196

(under subclass 195) Processes which include utilizing a silicon containing treating agent.

(1) Note. The silicon containing agent may be in addition to the Group IA or IIA metal containing agent or the silicon and Group IA or IIA metal may be in the same agent.