US PATENT SUBCLASS 528 / 394
.~ FROM BORON-CONTAINING REACTANT


Current as of: June, 1999
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528 /   HD   SYNTHETIC RESINS OR NATURAL RUBBERS -- PART OF THE CLASS 520 SERIES

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {23}
394.~ FROM BORON-CONTAINING REACTANT


DEFINITION

Classification: 528/394

(under subclass 1) Subject matter under Class 520, ... involving polymers derived from a boron- containing reactant or process of polymerizing; polymerizable compositions containing a boron-containing reactant or processes of preparing.

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4, for a boron-containing reactant wherein a boron atom is bonded to at least one atom of hydrogen or carbon.

480+, for processes of preparing a polymer not involving a chemical modification of the polymer, by the addition of a material thereto, and for chemically modifying material other than the polymer. Subclasses 480+ also provide for processes of admixing with a broadly claimed nonreactant material.