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Class Information
Number: 521/908
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Nucleating agent for cellular product
Description: Subject matter involving specified nucleating agents utilized in preparing cellular products.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7153566 |
Porous film and process for producing the same |
Dec. 26, 2006 |
| 5358675 |
Controlling heterogeneous nucleation and growth of foams |
Oct. 25, 1994 |
| 5340844 |
Polystyrene foam and a process for making the same |
Aug. 23, 1994 |
| 5317033 |
Process for producing synthetic resin foam |
May. 31, 1994 |
| 5314925 |
Use of polytetrafluoroethylene resins as a nucleating agent for foam molded thermoplastics |
May. 24, 1994 |
| 5281632 |
Cellular polymer containing perforated cell windows and a process for the preparation thereof |
Jan. 25, 1994 |
| 5266606 |
Moisture-curing, hot-melt polyurethane adhesive compositions |
Nov. 30, 1993 |
| 5250579 |
Cellular polymer containing perforated cell windows and a process for the preparation thereof |
Oct. 5, 1993 |
| 5227408 |
Carbon dioxide blown polyurethane packaging foam with chemical nucleating agents |
Jul. 13, 1993 |
| 5180754 |
Polymer composition for foam molding |
Jan. 19, 1993 |
| 5149721 |
Process for producing polystyrene resin foam |
Sep. 22, 1992 |
| 5086084 |
Polyvinyl chloride/polyurethane hybrid foams |
Feb. 4, 1992 |
| 5064874 |
Extruded synthetic resin foam and its manufacturing method |
Nov. 12, 1991 |
| 5059631 |
Extruded ethylenic polymer foam containing both open and closed cells |
Oct. 22, 1991 |
| 5032621 |
Nucleating agents for thermoplastic resins |
Jul. 16, 1991 |
| 5023279 |
Nucleating agents for thermoplastic resins |
Jun. 11, 1991 |
| 4990542 |
Extruded synthetic resin foam and its manufacturing method |
Feb. 5, 1991 |
| 4931482 |
Use of 1,1,1,4,4,4-hexaefluorobutane as a blowing and insulating gas for the production of foam plastics |
Jun. 5, 1990 |
| 4879138 |
Composition for plastic article with unitarily molded foam layer |
Nov. 7, 1989 |
| 4877815 |
Nucleating agents for thermoplastic resins |
Oct. 31, 1989 |
| 4866100 |
Composition for plastic article with unitarily molded foam layer |
Sep. 12, 1989 |
| 4728675 |
Modified flame retardant polyphenylene ether resins having improved foamability and molded articles made therefrom |
Mar. 1, 1988 |
| 4699734 |
Flame-retardant polyolefin compositions containing exudation inhibitor and process for producing same |
Oct. 13, 1987 |
| 4650816 |
Expanded polypropylene and articles thereof |
Mar. 17, 1987 |
| 4638015 |
Expanded polypropylene films |
Jan. 20, 1987 |
| 4587272 |
Foamable polycarbonate compositions, articles and methods |
May. 6, 1986 |
| 4546116 |
Process for the production of highly elastic foams containing urethane groups and foams obtainable by this process |
Oct. 8, 1985 |
| 4544677 |
Foamable polycarbonate compositions, articles and methods |
Oct. 1, 1985 |
| 4526907 |
Process and device for the preparation of a reaction mixture of at least two components for the production of foams |
Jul. 2, 1985 |
| 4496668 |
Cellular thermoset poly(dicyclopentadiene) |
Jan. 29, 1985 |
| 4467052 |
Tray for packaging food products |
Aug. 21, 1984 |
| 4446253 |
Production of fine-celled foams from styrene polymers |
May. 1, 1984 |
| 4446254 |
Crosslinked polyolefin foam containing a high concentration of an inorganic material and process for producing the same |
May. 1, 1984 |
| 4413065 |
Process for making low density chlorinated polyvinyl chloride foam |
Nov. 1, 1983 |
| 4394460 |
Ethylene-chlorotrifluoroethylene copolymer foam |
Jul. 19, 1983 |
| 4383048 |
Process for making low density chlorinated polyvinyl chloride foam |
May. 10, 1983 |
| 4298706 |
Foams prepared from polypropylene resin composition and process for producing same |
Nov. 3, 1981 |
| 4273880 |
Foamed polyethylene films |
Jun. 16, 1981 |
| 4259402 |
Bonding with foamed hot melt adhesives |
Mar. 31, 1981 |
| 4183822 |
Blowing agent composition |
Jan. 15, 1980 |
| 4173690 |
Method of producing electrical insulation foam |
Nov. 6, 1979 |
| 4156754 |
Method of making foamed thermoplastic adhesive materials and adhesive process therefor |
May. 29, 1979 |
| 4153762 |
Process for working additive into polymers, particularly polymers which can be foamed |
May. 8, 1979 |
| 4151333 |
Cell regulators in structural foams |
Apr. 24, 1979 |
| 4119583 |
Foamed articles and methods for making same |
Oct. 10, 1978 |
| 4110269 |
Method of making polyethylene foam |
Aug. 29, 1978 |
| 4086191 |
Particulate expandable styrene polymers for the manufacture of foams |
Apr. 25, 1978 |
| 4054550 |
Process for producing cigarette filters |
Oct. 18, 1977 |
| 4048101 |
Process for preparing a foamed body having an annular ring pattern in cross-section |
Sep. 13, 1977 |
| 4022858 |
Method for the production of foamed thermoplastic film having improved resiliency and flexibility characteristics |
May. 10, 1977 |
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