US PATENT SUBCLASS 524 / 127
.~.~.~.~.~.~.~ Phosphorus bonded directly to four chalcogen atoms, e.g., phosphate, etc.

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}
121  DF  .~.~.~.~.~.~ Two or more phosphorus atoms directly or indirectly bonded together by only covalent bonds {6}
127.~.~.~.~.~.~.~ Phosphorus bonded directly to four chalcogen atoms, e.g., phosphate, etc.

DEFINITION

Classification: 524/127

Phosphorus bonded directly to four chalcogen atoms, e.g., phosphate, etc.:

(under subclass 121) Subject matter wherein a phosphorus is directly bonded to four chalcogen atoms only (i.e., oxygen, sulfur, selenium or tellurium), e.g., a bis-phosphate compound, as illustrated below, etc. [figure]