US PATENT SUBCLASS 558 / 60
.~.~ Chalcogen attached indirectly to the sulfite group by acyclic nonionic bonding

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {21}
59  DF  .~ Sulfite esters (i.e., compounds having the sulfite group, -O-S(=O)O-, bonded directly to at least one carbon, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {1}
60.~.~ Chalcogen attached indirectly to the sulfite group by acyclic nonionic bonding

DEFINITION

Classification: 558/60

(under subclass 59) Compounds in which the sulfite group is attached indirectly to chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) by acyclic nonionic bonding.

(1) Note. An example of a compound provided for herein is: [figure]