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Class Information
Number: 521/913
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Cell forming in absence of external heat
Description: Subject matter involving a cell forming process wherein the cells are generated in the absence of externally applied heat.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 6146892 |
Fibrillar matrices |
Nov. 14, 2000 |
| 5985947 |
Extruded foamed silicone rubber composition and method for making same |
Nov. 16, 1999 |
| 5679718 |
Microcellular foams containing an infrared attenuating agent and a method of using |
Oct. 21, 1997 |
| 5124363 |
Aqueous air foams of polyhydroxy polymer |
Jun. 23, 1992 |
| 5026735 |
Treatment of hazardous materials with aqueous air foam of polyhydroxy polymer |
Jun. 25, 1991 |
| 4972001 |
Foaming organopolysiloxane composition and cured product thereof |
Nov. 20, 1990 |
| 4221873 |
Method for producing phenol foam plastic |
Sep. 9, 1980 |
| 4202279 |
Sticky foam |
May. 13, 1980 |
| 4192923 |
Amino resin foam, one-phase solution foam precursor and method of producing foam |
Mar. 11, 1980 |
| 4067829 |
Preparation of a cured resole resin |
Jan. 10, 1978 |
| 4053439 |
Low-smoke generating polyurethane foam |
Oct. 11, 1977 |
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