US PATENT SUBCLASS 568 / 853
.~.~.~.~.~ Polyalkylol substituted alkane (e.g., pentaerythritol, trimethylolethane, ect.)

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

*  DD  ORGANIC COMPOUNDS (Class 532, Subclass 1) {4}
300  DF  .~ OXYGEN CONTAINING (E.G., PERCHLORYLBENZENE, ETC.) {11}
700  DF  .~.~ Hydroxy containing (H of -OH may be replaced by a Group IA or IIA light metal) {10}
840  DF  .~.~.~ Acyclic {16}
852  DF  .~.~.~.~ Polyhydroxy {9}
853.~.~.~.~.~ Polyalkylol substituted alkane (e.g., pentaerythritol, trimethylolethane, ect.) {1}
854  DF  .~.~.~.~.~.~> Purification or recovery

DEFINITION

Classification: 568/853

Polyalkylol substituted alkane (e.g., pentaerythritol, trimethylolethane, etc.):

(under subclass 852) Compounds wherein two or more alkylol groups (-R-OH, where R is alkyl) are bonded directly to carbon, which carbon has no hydrogen bonded directly thereto.

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