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Class Information
Number: 521/55
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Synthetic resins (class 520, subclass 1) > Cellular products or processes of preparing a cellular product, e.g., foams, pores, channels, etc. > Treating a cellular solid polymer by adding a material thereto which reacts with the polymer or forms a composition therewith, or products of said treating process > Treating a cellular solid polymer by adding a material thereto which forms a composition therewith
Description: Subject matter wherein a material is added to the previously formed solid cellular material so as to form a desired composition therewith.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7390844 |
Polymer particle stabilized by dispersant and method of preparation |
Jun. 24, 2008 |
| 7294655 |
Coating composition for thermoplastic resin particles for forming foam containers |
Nov. 13, 2007 |
| 7101946 |
Water-absorbing polymers having interstitial compounds, a process for their production, and their use |
Sep. 5, 2006 |
| 6946496 |
Artificial soil |
Sep. 20, 2005 |
| 6930133 |
Low density polymer beads |
Aug. 16, 2005 |
| 6890978 |
Aromatic monovinyl resin composition |
May. 10, 2005 |
| 6864297 |
Composite foam made from polymer microspheres reinforced with long fibers |
Mar. 8, 2005 |
| 6756426 |
Lightweight composite material for protective pads, cushions, supports or the like and method |
Jun. 29, 2004 |
| 6713520 |
Foams and methods for making the same |
Mar. 30, 2004 |
| 6582811 |
Method of and material for purification of physical liquids of organism, and method of producing the material |
Jun. 24, 2003 |
| 6528547 |
Synthetic aggregate and method of producing the same |
Mar. 4, 2003 |
| 6509385 |
Trauma mitigation and pressure reducing composition |
Jan. 21, 2003 |
| 6409885 |
Pulp forming machines |
Jun. 25, 2002 |
| 6194475 |
Use of metal salts of ricinoleic acid in producing polyurethane |
Feb. 27, 2001 |
| 6187427 |
Hybrid inorganic-organic composite for use as an interlayer dielectric |
Feb. 13, 2001 |
| 6171708 |
Sulfur containing atomic group introduced porous article |
Jan. 9, 2001 |
| 6136424 |
Method of and material for purification of physiological liquids of organism, and method of producing the material |
Oct. 24, 2000 |
| 6063822 |
Method for dewatering and purifying oil or fat |
May. 16, 2000 |
| 5981610 |
Injection molding silicone rubber compositions |
Nov. 9, 1999 |
| 5981070 |
Water-absorbent agent powders and manufacturing method of the same |
Nov. 9, 1999 |
| 5976434 |
Method for preparing hydrophilic polypropylene membrane |
Nov. 2, 1999 |
| 5965202 |
Hybrid inorganic-organic composite for use as an interlayer dielectric |
Oct. 12, 1999 |
| 5962142 |
Two-colored molded product of polyurethanes made by RIM and process for manufacturing the same |
Oct. 5, 1999 |
| 5900087 |
Preparation of flexible, flame-bondable polyurethane-polyether foams having improved adhesion |
May. 4, 1999 |
| 5837365 |
Hydrophilic polypropylene membranes |
Nov. 17, 1998 |
| 5824400 |
Plastic article and process for the preparation thereof |
Oct. 20, 1998 |
| 5801207 |
Biodegradable foamed articles and process for the preparation thereof |
Sep. 1, 1998 |
| 5785817 |
Moldable pulp material and method of manufacturing molded pulp product |
Jul. 28, 1998 |
| 5736594 |
Cementing compositions and methods using recycled expanded polystyrene |
Apr. 7, 1998 |
| 5734043 |
Separating agent for optical isomers |
Mar. 31, 1998 |
| 5698602 |
Combination building material |
Dec. 16, 1997 |
| 5691390 |
Thermoplastic syntactic foams and their preparation |
Nov. 25, 1997 |
| 5589518 |
Biodegradable foamed articles and process for the preparation thereof |
Dec. 31, 1996 |
| 5532295 |
Thermoplastic syntactic foams and their preparation |
Jul. 2, 1996 |
| 5521253 |
Hollow polymer latex particles |
May. 28, 1996 |
| 5432205 |
Method of preparation of removable syntactic foam |
Jul. 11, 1995 |
| 5429780 |
Manufacture of silicon carbide foam from a polyurethane foam impregnated with resin containing silicon |
Jul. 4, 1995 |
| 5397643 |
Lightweight shaped articles containing expandable graphite, their production and their use |
Mar. 14, 1995 |
| 5393794 |
Insulation material and method using fly ash |
Feb. 28, 1995 |
| 5382602 |
Flexible slabstock polyurethane foam formulation for a rapid-cool process |
Jan. 17, 1995 |
| 5360825 |
Pulp molding |
Nov. 1, 1994 |
| 5356958 |
Impact resistant thermoplastic syntactic foam composite and method |
Oct. 18, 1994 |
| 5328756 |
Temperature sensitive circuit breaking element |
Jul. 12, 1994 |
| 5308396 |
Method of making lightweight granules coated with cementitious material |
May. 3, 1994 |
| 5308898 |
Bituminous compositions including residues of thermoplastic polymers with polyurethane foams and thermoset resin, etc. |
May. 3, 1994 |
| 5302633 |
Optical resolution agent and process for the preparation of the same |
Apr. 12, 1994 |
| 5277915 |
Gel-in-matrix containing a fractured hydrogel |
Jan. 11, 1994 |
| 5278194 |
Environmentall dispersible syntactic foam |
Jan. 11, 1994 |
| 5272001 |
Modified low-density polyurethane foam body |
Dec. 21, 1993 |
| 5270108 |
Building material with protection from insects, molds, and fungi |
Dec. 14, 1993 |
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