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Class Information
Number: 523/328
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Processes of preparing a desired or intentional composition of at least one nonreactant material and at least one solid polymer or specified intermediate condensation product, or product thereof > Adding steam or hot water (t at least 60 degrees c, i.e., 140 degrees f) > Removal of material by treatment with hot water or steam, e.g., steam stripping, etc.
Description: Process wherein steam or hot water is employed to remove material from the composition, e.g., steam distillation, hot water extraction, etc., or steam stripping, etc.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7612128 |
Method for preparing styrene-butadiene latex |
Nov. 3, 2009 |
| 7468405 |
Increase in the melting point and the enthalpy of melting of polyamides by a water treatment |
Dec. 23, 2008 |
| 6740691 |
Removal of volatile organic compounds from polymer dispersions |
May. 25, 2004 |
| 6670411 |
Process for devolatilizing an acrylic resin and process for preparing a powder coating composition |
Dec. 30, 2003 |
| 6174991 |
Process for making stabilized non-colored rubber |
Jan. 16, 2001 |
| 6034209 |
Method of recovering low-boiling substances from a polymer latex |
Mar. 7, 2000 |
| 5945251 |
Process for producing purified solutions of blocked polyhydroxystyrene resins |
Aug. 31, 1999 |
| 5929206 |
Continuous process for removing the residual monomer or monomers from an aqueous latex of a synthetic polymer and device for carrying it out |
Jul. 27, 1999 |
| 5773493 |
Method of dispersing solid additives in polymers and products made therewith |
Jun. 30, 1998 |
| 5616645 |
Gelled fluoride resin fine particle dispersion, method of production thereof, and preservation method for an alkaline inorganic hardened body utilizing the same |
Apr. 1, 1997 |
| 5539004 |
Process for recycling resin scrap and apparatus therefor |
Jul. 23, 1996 |
| 5534564 |
Process for the color stabilization of an aqueous N-vinyl heterocyclic copolymer solution |
Jul. 9, 1996 |
| 5521230 |
Method of dispersing solid additives in polymers and products made therewith |
May. 28, 1996 |
| 5516818 |
Method for removing small amounts of high boiling point organic compound from aqueous polymerization products |
May. 14, 1996 |
| 5486583 |
Defoaming compositions for ABS latices |
Jan. 23, 1996 |
| 5430127 |
Process for minimizing residual monomers |
Jul. 4, 1995 |
| 5420194 |
.alpha.olefin/maelic anhydride copolymers as antifoulants in ethylene process water stripper systems |
May. 30, 1995 |
| 5407974 |
Solution polymer recovery process |
Apr. 18, 1995 |
| 5376703 |
Process for lowering the residual monomer content in aqueous plastic dispersions based on polyvinyl esters |
Dec. 27, 1994 |
| 5266211 |
Process for precipitating polymers |
Nov. 30, 1993 |
| 5196507 |
Process for producing granules of polycarbonate and composition thereof |
Mar. 23, 1993 |
| 4977241 |
Particulate polymer and preparation process thereof |
Dec. 11, 1990 |
| 4874841 |
Particulate polymer and preparation process thereof |
Oct. 17, 1989 |
| 4529753 |
Chemical/steam stripping |
Jul. 16, 1985 |
| 4402937 |
Preparation of PVP-iodine |
Sep. 6, 1983 |
| 4383056 |
Method of converting resin solution to aqueous dispersion |
May. 10, 1983 |
| 4320114 |
Manufacture of aqueous polyvinylpyrrolidone-iodine solutions |
Mar. 16, 1982 |
| 4283526 |
Method of treating polymerlatices |
Aug. 11, 1981 |
| 4269951 |
Purification of wet strength resins |
May. 26, 1981 |
| 4243566 |
Preparation of latex from solvent dispersed polymer composition |
Jan. 6, 1981 |
| 4233437 |
Continuous process for the removal of monomeric impurities from aqueous dispersions of homo- and copolymers of vinyl chloride |
Nov. 11, 1980 |
| 4229568 |
Method of discharging gaseous vinyl chloride monomer from a polymerization reactor |
Oct. 21, 1980 |
| 4224437 |
Process for prevention of foaming when steam-stripping residual monomer from aqueous polymer dispersions |
Sep. 23, 1980 |
| 4209436 |
Process for the removal of non-converted monomers from a copolymer of acrylonitrile |
Jun. 24, 1980 |
| 4197400 |
Process for removing monomer residues from acrylonitrile polymers |
Apr. 8, 1980 |
| 4197399 |
Process for removing residual vinyl chloride from vinyl chloride polymers in aqueous dispersion |
Apr. 8, 1980 |
| 4193903 |
Rapid removal of residual monomers from acrylonitrile copolymers |
Mar. 18, 1980 |
| 4188351 |
Elastomer blend composition of a sulfonated EPDM terpolymer and a polystyrene resin |
Feb. 12, 1980 |
| 4168373 |
Removal of residual vinyl chloride monomer from polyvinyl chloride latex |
Sep. 18, 1979 |
| 4128516 |
Process for the gentle degasification of coagulation-sensitive PVC latices |
Dec. 5, 1978 |
| 4087484 |
Process for producing transparent block copolymer resin |
May. 2, 1978 |
| 4032501 |
Dry-blendable solution rubber powders and process |
Jun. 28, 1977 |
| 4032497 |
Method and apparatus for removal of unreacted monomer from synthesized high polymer latex |
Jun. 28, 1977 |
| 4020032 |
Continuous process for the removal of monomeric impurities from aqueous dispersions of homo- and copolymers of vinyl chloride |
Apr. 26, 1977 |
| 4017445 |
Process for the removal of vinyl chloride from polyvinyl chloride dispersions |
Apr. 12, 1977 |
| 4016128 |
Preparation of aqueous solutions of quaternary ammonium resins from di(tertiary amine) and 1,4-dihalobutene-2 |
Apr. 5, 1977 |
| 3968067 |
Process for preparing high polymer latices from organic solvent dispersions |
Jul. 6, 1976 |
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