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Class Information
Number: 521/920
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Cellular product containing a dye or pigment
Description: Subject matter involving a cellular product having incorporated therein a dye or a pigment.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6723792 |
Nonextruded dispersions and concentrates of additives on olefin polymers |
Apr. 20, 2004 |
| 6528152 |
Stopper of foamed thermoplastic synthetic material |
Mar. 4, 2003 |
| 6410141 |
Material and process for manufacturing plastic parts |
Jun. 25, 2002 |
| 6344268 |
Foamed polymer-fiber composite |
Feb. 5, 2002 |
| 6103342 |
Decorated shaped product having source expression applied thereto, method for manufacturing same and shaped base material therefor |
Aug. 15, 2000 |
| 5998030 |
Material for manufacturing plastic parts |
Dec. 7, 1999 |
| 5981611 |
Thermoformable foam with infrared receptors |
Nov. 9, 1999 |
| 5824400 |
Plastic article and process for the preparation thereof |
Oct. 20, 1998 |
| 5654102 |
Material for manufacturing plastic parts |
Aug. 5, 1997 |
| 5342689 |
Thermoplastic microspheres |
Aug. 30, 1994 |
| 4887795 |
Open-celled, electrically conductive ceramic network |
Dec. 19, 1989 |
| 4608233 |
Mixing method and apparatus for preparing multi-component plastic materials especially polyurethanes |
Aug. 26, 1986 |
| 4572869 |
Microcapsular opacifiers and method for their production |
Feb. 25, 1986 |
| 4456707 |
Process for the production of fiber-containing polyurethane moldings having inhomogeneously colored surfaces |
Jun. 26, 1984 |
| 4302410 |
Method producing a color coded, cellular thermoplastic resin coated wire and the materials necessary for the coating |
Nov. 24, 1981 |
| 4166163 |
Colored polyurethane foams and a process for their production |
Aug. 28, 1979 |
| 4153762 |
Process for working additive into polymers, particularly polymers which can be foamed |
May. 8, 1979 |
| 4132840 |
Process for coloring polyurethane foams |
Jan. 2, 1979 |
| 4073979 |
Method of applying modifying ingredients to open-celled polyurethane material |
Feb. 14, 1978 |
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