US PATENT SUBCLASS 554 / 92
.~.~.~.~.~ Having -S(=O)(=O)-O-X attached indirectly to the single bonded oxygen of the carboxyl group by a single carbon or a chain consisting of carbons, which chain or carbon may include a ring, wherein X is hydrogen or a cation (e.g., isethionates, etc.)

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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}
85  DF  .~.~ Sulfur containing {4}
88  DF  .~.~.~ Sulfoxy containing (e.g., sulfones, etc.) {5}
90  DF  .~.~.~.~ The sulfoxy is in the alcohol moiety (e.g., sulfate esters of fatty acid monoglycerides, etc.) {3}
92.~.~.~.~.~ Having -S(=O)(=O)-O-X attached indirectly to the single bonded oxygen of the carboxyl group by a single carbon or a chain consisting of carbons, which chain or carbon may include a ring, wherein X is hydrogen or a cation (e.g., isethionates, etc.)

DEFINITION

Classification: 554/92

(under subclass 90) Compounds wherein-S(=O)(=O)-O-X is attached indirectly through a single carbon or carbon chain to the single bonded oxygen of the -O- group, wherein X is hydrogen or a cation.

(1) Note. This subclass contains, for example:

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