US PATENT SUBCLASS 526 / 62
.~ POLYMERIZING IN REACTOR OF SPECIFIED MATERIAL, OR IN REACTOR IN WHICH SURFACE CONTACTING POLYMERIZING MATERIAL HAS BEEN TREATED

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

*  DD  SYNTHETIC RESINS (Class 520, Subclass 1) {8}
62.~ POLYMERIZING IN REACTOR OF SPECIFIED MATERIAL, OR IN REACTOR IN WHICH SURFACE CONTACTING POLYMERIZING MATERIAL HAS BEEN TREATED

DEFINITION

Classification: 526/62

(under subclass 1) Subject matter under Class 520, ... wherein the polymerization reaction takes place in (1) a reactor of specified material; or (2) a reactor part is of a specified material; or (3)wherein the reactor or part of the reactor has been treated in some manner.

(1) Note. Specified material includes a recitation that the reactor material be free from certain specified material.

(2) Note. Included herein but not limited to the enumerated examples are stainless steel and glass-lined reactors, reactor parts such as titanium stirrers, and reactors that have been subjected to a specified wash or the application of a coating material.