US PATENT SUBCLASS 558 / 295
.~.~.~ Nitrogen or chalcogen attached indirectly to boron 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}
286  DF  .~ Borate esters (i.e., compounds having boron and carbon each single bonded to the same oxygen, which carbon may be single bonded to any atom but may be multiple bonded only to carbon) {4}
293  DF  .~.~ Three oxygens attached directly to the same boron by nonionic bonding {3}
295.~.~.~ Nitrogen or chalcogen attached indirectly to boron by acyclic nonionic bonding

DEFINITION

Classification: 558/295

(under subclass 293) Compounds wherein boron is attached indirectly to nitrogen or chalcogen (i.e., oxygen, suldur, selenium, or tellirium) by acyclic nonionic bonding.

(1) Note. Examples of compounds provided for herein are: [figure] [figure]