US PATENT SUBCLASS 525 / 52
.~.~ Utilizing a tubular or loop reactor

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}
52.~.~ Utilizing a tubular or loop reactor

DEFINITION

Classification: 525/52

Utilizing a tubular or loop reactor:

(under subclass 50) Subject matter wherein a reaction is effected in a loop or tubular reactor.

(1) Note. A loop reactor for purposes of this subclass is an apparatus wherein reactant material is circulated in a continuous path within a single or multicoiled or spiraled structure which has at least one inlet and outlet means and at least one reaction zone.

(2) Note. A tubular reactor for purposes of this subclass is an apparatus wherein a reactant material flows in an essentially linear direction in a tube or series of interconnected tubes, which tube or tubes are of small diameter in relation to their length and wherein each tube has at least one inlet and outlet means and one or more reaction zones.