US PATENT SUBCLASS 524 / 117
.~.~.~.~.~.~.~ Oxygen ring atom


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

Internet Version by PATENTEC © 1999      Terms of Use



524 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {1}
*  DD  .~ PROCESSES OF PREPARING A DESIRED OR INTENTIONAL COMPOSITION OF AT LEAST ONE NONREACTANT MATERIAL AND AT LEAST ONE SOLID POLYMER OR SPECIFIED INTERMEDIATE CONDENSATION PRODUCT, OR PRODUCT THEREOF (Class 523, subclass 1) {17}
1  DF  .~.~ Adding a NRM to a preformed solid polymer or preformed specified intermediate condensation product, composition thereof; or process of treating or composition thereof {31}
80  DF  .~.~.~ DNRM which is other than silicon dioxide, glass, titanium dioxide, water, halohydrocarbon, hydrocarbon, or elemental carbon {4}
81  DF  .~.~.~.~ Organic DNRM {21}
115  DF  .~.~.~.~.~ Phosphorus organic compound DNRM {8}
116  DF  .~.~.~.~.~.~ Phosphorus is part of a covalent ring {1}
117.~.~.~.~.~.~.~ Oxygen ring atom {2}
118  DF  .~.~.~.~.~.~.~>.~ Halogen
119  DF  .~.~.~.~.~.~.~>.~ Two or more phosphorus rings {1}


DEFINITION

Classification: 524/117

Oxygen ring atom:

(under subclass 116) Subject matter wherein the phosphorus ring contains at least one oxygen ring atom, e.g., as illustrated below, etc. [figure]