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Class Information
Number: 526/63
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Polymerizing in presence of inert solid masses so as to heat, cool, or grind polymerizing mass
Description: Subject matter under Class 520, ... wherein heat exchange or reduction of particle size of a polymerizing polymer is effected by direct contact of said polymerizing polymer with an inert-solid mass which solid is not an internal part of the polymerization apparatus or of the processing apparatus.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7582708 |
Bulk polymerization reactor methods |
Sep. 1, 2009 |
| 7119132 |
Continuous neat polymerization and ambient grinding methods of polyolefin drag reducing agents |
Oct. 10, 2006 |
| 6979717 |
Anionic process design for rapid polymerization of polystyrene without gel formation and product produced there from |
Dec. 27, 2005 |
| 6965002 |
Process for producing vinyl chloride-based polymer |
Nov. 15, 2005 |
| 6943222 |
Temperature-controlled process of producing polymer |
Sep. 13, 2005 |
| 6867269 |
Water-absorbent resin and production process therefor |
Mar. 15, 2005 |
| 6753387 |
Temperature controlling system for olefin polymerization reactors |
Jun. 22, 2004 |
| 6706846 |
Method for end-capping polycarbonate resins and composition for use in same |
Mar. 16, 2004 |
| 6613868 |
Process for producing polycarbonates |
Sep. 2, 2003 |
| 6610806 |
Living olefin polymerization processes |
Aug. 26, 2003 |
| 6414092 |
Cholesteric flakes |
Jul. 2, 2002 |
| 6207770 |
Cholesteric flakes |
Mar. 27, 2001 |
| 5886120 |
Method for preparing water absorbent resin |
Mar. 23, 1999 |
| 5728792 |
Method for preparing water absorbent resin |
Mar. 17, 1998 |
| 5728782 |
Gas phase anionic polymerization of dienes and vinyl-substituted aromatic compounds |
Mar. 17, 1998 |
| 5063110 |
Composition comprising prepolymer powder and pulverulent inorganic material |
Nov. 5, 1991 |
| 4970279 |
Process for polymerizing one or more 1-olefins in the gas phase in the presence of pulverulent inorganic material |
Nov. 13, 1990 |
| 4736001 |
Process for the polymerization or copolymerization of butadiene in the presence of solid particles insoluable in the reaction medium |
Apr. 5, 1988 |
| 4585843 |
Exothermic reactions |
Apr. 29, 1986 |
| 4335237 |
Adiabatic polymerization of acrylamide in the presence of sodium sulfate decahydrate |
Jun. 15, 1982 |
| 4277585 |
Vertical autoclave for bulk polymerization of vinyl chloride |
Jul. 7, 1981 |
| 4165420 |
Solid state polymerization of polyester prepolymer |
Aug. 21, 1979 |
| 4135043 |
Process for preparing polymers in powder form |
Jan. 16, 1979 |
| 4021394 |
Continuous process for the preparation of a cationically modified acrylamide polymer |
May. 3, 1977 |
| 3981855 |
Reactor process conditions control |
Sep. 21, 1976 |
| 3948862 |
Continuous process for preparing aliphatic polycarbonamides |
Apr. 6, 1976 |
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