US PATENT SUBCLASS 525 / 362
.~.~.~.~.~ Elemental metal or inorganic compound thereof only

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

Internet Version by PATENTEC © 1999      Terms of Use


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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {4}
50  DF  .~ MIXING OF TWO OR MORE SOLID POLYMERS; MIXING OF SOLID POLYMER OR SICP WITH SICP OR SPFI; MIXING OF SICP WITH AN ETHYLENIC AGENT; MIXING OF SOLID POLYMER WITH A CHEMICAL TREATING OR ETHYLENIC AGENT; OR PROCESSES OF FORMING OR REACTING; OR THE RESULTANT PRODUCT OF ANY OF THE ABOVE OPERATIONS {32}
55  DF  .~.~ At least one solid polymer derived from ethylenic reactants only {25}
360  DF  .~.~.~ Chemical treating agent contains elemental metal or metal-containing compound {3}
361  DF  .~.~.~.~ Two or more diverse elemental metals or compounds thereof; or same metal in two or more distinct compounds; or diverse metals in same compound {2}
362.~.~.~.~.~ Elemental metal or inorganic compound thereof only {1}
363  DF  .~.~.~.~.~.~> Aluminum or Group IIB (Zn, Cd, Hg) metal or compound thereof

DEFINITION

Classification: 525/362

Elemental metal or inorganic compound thereof only:

(under subclass 361) Subject matter containing only elemental metals, or only inorganic metal compounds, or only an elemental metal and an inorganic metal compound.

(1) Note. Compounds which are free of metal atoms are included herein when in admixture with elemental metals or inorganic metal compounds.

SEE OR SEARCH THIS CLASS, SUBCLASS:

361, for a mixture of a metal containing organic compound and an elemental metal or metal containing inorganic compound.