US PATENT SUBCLASS 556 / 459
.~.~.~ Hydroxy bonded directly to silicon (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) may be replaced by a substituted or unsubstituted ammonium ion or a Group

Current as of: June, 1999
Click HD for Main Headings
Click for All Classes

Internet Version by PATENTEC © 1999      Terms of Use


556 /   HD   ORGANIC COMPOUNDS -- PART OF THE CLASS 532-570 SERIES

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {3}
400  DF  .~ SILICON CONTAINING {19}
450  DF  .~.~ Two silicons bonded directly to the same oxygen {7}
459.~.~.~ Hydroxy bonded directly to silicon (H of hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal) may be replaced by a substituted or unsubstituted ammonium ion or a Group

DEFINITION

Classification: 556/459

(under subclass 450) Compounds in which -OH is bonded directly to silicon; wherein the -H of the hydroxy may be replaced by a substituted or unsubstituted ammonium ion or a Group IA or IIA light metal.

(1) Note. Included herein are those compounds which are specifically disclosed as having hydroxy bonded directly to at least one of the silicon atoms in the siloxane compound. A search of subclass 450 is necessary to find those compounds which may be end-blocked with hydroxy groups but are not explicitly disclosed as being so terminated.

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