 |
|
 |
| |
 |
|
Class Information
Number: 528/484
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Treating polymer containing material or treating a solid polymer or a resinifiable intermediate condensation product > Preventing or removing reactor or processing equipment buildup
Description: Processes wherein the accumulation of material on the reactor wall or on parts of the processing equipment is prevented or removed.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7528222 |
Olefin polymerization process |
May. 5, 2009 |
| 7332070 |
Method of preventing heat exchanger fouling |
Feb. 19, 2008 |
| 7129322 |
Method for producing polymer alloy polymer alloy formed article transparent formed article and optical film |
Oct. 31, 2006 |
| 6806350 |
Washing process for the purification of polymers containing N or amino, ammonium or spirobicyclic ammonium groups |
Oct. 19, 2004 |
| 6586549 |
Water-absorbing composition and its use |
Jul. 1, 2003 |
| 6576774 |
Process for recycling polytrimethylene terephthalate cyclic dimer |
Jun. 10, 2003 |
| 5786443 |
Process of making polyester prepolymer |
Jul. 28, 1998 |
| 5741888 |
Removal of heteropoly compounds from polyethers, polyesters and polyether esters |
Apr. 21, 1998 |
| 5648437 |
Process for the manufacture of thermoplastic polycarbonate |
Jul. 15, 1997 |
| 5599884 |
Amino resin dispersion with reduced aldehyde content, process therefor, and paint detackifying process therewith |
Feb. 4, 1997 |
| 5521278 |
Integrated process for the manufacture of lactide |
May. 28, 1996 |
| 5429780 |
Manufacture of silicon carbide foam from a polyurethane foam impregnated with resin containing silicon |
Jul. 4, 1995 |
| 5420239 |
Method for inhibiting popcorn polymer formation by heat |
May. 30, 1995 |
| 5384389 |
Process for the production of polycarbonates |
Jan. 24, 1995 |
| 5357009 |
Polymer scale preventive agent |
Oct. 18, 1994 |
| 5229487 |
Method for metered supply of material, apparatus therefor, and method for production of hydrophilic polymer by use thereof |
Jul. 20, 1993 |
| 5216121 |
Process for facilitating the handling of tacky polymers during their polymerization |
Jun. 1, 1993 |
| 5037955 |
Method for heating a viscous polyethylene solution |
Aug. 6, 1991 |
| 5028670 |
Process for the gas-phase polymerization of olefins in a fluidized-bed reactor |
Jul. 2, 1991 |
| 4973655 |
Continuous production of linear thermoplastic polyesters |
Nov. 27, 1990 |
| 4904309 |
Chemical cleaning method of the interior of polymerization reactor |
Feb. 27, 1990 |
| 4883859 |
Process for producing hydroxylated polybutadiene |
Nov. 28, 1989 |
| 4731126 |
Composition and method for purging polymeric residues |
Mar. 15, 1988 |
| 4696983 |
Polymerization reactor coatings and use thereof |
Sep. 29, 1987 |
| 4517350 |
Process for removing polymer scale adhering to a polymerization vessel |
May. 14, 1985 |
| 4468257 |
Washing and removal method of high molecular substances |
Aug. 28, 1984 |
| 4370302 |
Machine for solid phase polymerization |
Jan. 25, 1983 |
| 4200712 |
Coating polymerization reactors with oligomer coatings derived from reaction products of substituted phenols |
Apr. 29, 1980 |
| 4146696 |
Industrial production of cast plastic lenses |
Mar. 27, 1979 |
| 4122075 |
Method of preventing deposit of polymer in reactor vent line during preparation of nylon |
Oct. 24, 1978 |
| 4098972 |
Method for bulk polymerization of vinyl chloride |
Jul. 4, 1978 |
| 4049894 |
Latex modified portland cement and use thereof in polymerization reactors |
Sep. 20, 1977 |
| 4048417 |
Process for preventing build-up in polymerization reactors |
Sep. 13, 1977 |
| 4043874 |
Process for separating and recovering the constituents of an exhausted solvent mixture used for cleansing reactors for the polymerization of vinyl chloride |
Aug. 23, 1977 |
| 4038473 |
Process for cleaning polymerization reactors |
Jul. 26, 1977 |
| 4021600 |
Slurry polymerization process |
May. 3, 1977 |
|
|
|
 |
|
 |
|
| |
Randomly Featured Patents |
|
