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Class Information
Number: 521/52
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. > Reticulated cellular product or processes of preparing a reticulated cellular product
Description:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7390844 |
Polymer particle stabilized by dispersant and method of preparation |
Jun. 24, 2008 |
| 7141188 |
Organic compositions |
Nov. 28, 2006 |
| 7060204 |
Organic compositions |
Jun. 13, 2006 |
| 6960616 |
Expanded porous thermoplastic polymer membranes |
Nov. 1, 2005 |
| 6914085 |
Expanded polypropylene granule composition |
Jul. 5, 2005 |
| 6740685 |
Organic compositions |
May. 25, 2004 |
| 6596785 |
Ink retaining foam structure |
Jul. 22, 2003 |
| 6589444 |
Process for separating water from chemical mixtures |
Jul. 8, 2003 |
| 6371606 |
Ink retaining foams |
Apr. 16, 2002 |
| 6337354 |
Ink wastage absorber and ink supporter |
Jan. 8, 2002 |
| 6277464 |
Polymeric integral net |
Aug. 21, 2001 |
| 6146892 |
Fibrillar matrices |
Nov. 14, 2000 |
| 6071711 |
Degradation of biodegradable polyester amides with enzymes |
Jun. 6, 2000 |
| 5856409 |
Method of making hydrophobic copolymers hydrophilic |
Jan. 5, 1999 |
| 5845653 |
Applicator for coloring hair or fibers and methods for making and using same |
Dec. 8, 1998 |
| 5744509 |
Foamed polymer and process for production thereof |
Apr. 28, 1998 |
| 5719201 |
Superabsorbent hydrophilic isocyanate-based foam and process for production thereof |
Feb. 17, 1998 |
| 5716997 |
Polymeric reticulated structure and method for making |
Feb. 10, 1998 |
| 5698601 |
Process for the production of open-celled rigid polyurethane foams useful as insulating materials |
Dec. 16, 1997 |
| 5674917 |
Superabsorbent hydrophilic isocyanate-based foam and process for production thereof |
Oct. 7, 1997 |
| 5451454 |
High-molecular materials and processes for manufacturing the same |
Sep. 19, 1995 |
| 5308877 |
Resins with high surface areas and porosities |
May. 3, 1994 |
| 5261426 |
Hydrophilic foam pad for hair styling |
Nov. 16, 1993 |
| 5223546 |
High polymer network |
Jun. 29, 1993 |
| 5192810 |
Method and apparatus for manufacturing dimpled structures from elastic cloth |
Mar. 9, 1993 |
| 5185381 |
Foam absorber |
Feb. 9, 1993 |
| 5169904 |
Method of making hydrophobic copolymers hydrophilic |
Dec. 8, 1992 |
| 5151222 |
Foam absorber |
Sep. 29, 1992 |
| 5139981 |
Process for preparing silver(I)-exchanged resins |
Aug. 18, 1992 |
| 5135959 |
Method of impregnating reticulated foam with polymide foam and products thereof |
Aug. 4, 1992 |
| 5110834 |
Production of chlorofluorocarbon-free urethane-containing soft-elastic moldings having a cellular core and a compacted peripheral zone |
May. 5, 1992 |
| 5106876 |
Water-insoluble hydrogel and method for production thereof by using radiation, freezing and thawing |
Apr. 21, 1992 |
| 5053434 |
Diamondoid polymeric compositions |
Oct. 1, 1991 |
| 5034422 |
Low density, high temperature resistant polymeric bodies |
Jul. 23, 1991 |
| 5002075 |
Hydrophilic foam pad for hair styling, conditioning and coloring |
Mar. 26, 1991 |
| 4985467 |
Highly absorbent polyurethane foam |
Jan. 15, 1991 |
| 4929969 |
Ink supply construction and printing method for drop-on-demand ink jet printing |
May. 29, 1990 |
| 4856541 |
Brush incorporating a hydrophilic foam pad for hair cleaning and conditioning |
Aug. 15, 1989 |
| 4850579 |
Supporting bed for sheet material cutting machine and method of manufacture |
Jul. 25, 1989 |
| 4828238 |
Supporting bed for sheet material cutting machine and method of manufacture |
May. 9, 1989 |
| 4761395 |
Process and composition for purifying arsine, phosphine, ammonia, and inert gases to remove Lewis acid and oxidant impurities therefrom |
Aug. 2, 1988 |
| 4670477 |
Process for preparing in situ reticulated polyurethane foam |
Jun. 2, 1987 |
| 4656196 |
Process for preparing in situ reticulated polyurethane foam |
Apr. 7, 1987 |
| 4619948 |
Composite active filter material |
Oct. 28, 1986 |
| 4607057 |
Process for the preparation of beads of copolymers bearing reactive groups, by polymerization in suspension in a non-aqueous medium |
Aug. 19, 1986 |
| 4603148 |
Macroreticulate polymer scavengers for the removal of impurities from inert fluids |
Jul. 29, 1986 |
| 4581385 |
Carpet cleaning composition |
Apr. 8, 1986 |
| 4578406 |
Conductive polyurethane foam and process of contacting a polyurethane foam with a mixture of swelling agent and chemical additive |
Mar. 25, 1986 |
| 4569861 |
Composite foam-textile cleaning pad |
Feb. 11, 1986 |
| 4563483 |
Concrete cleaning composition |
Jan. 7, 1986 |
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