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Class Information
Number: 528/930
Name: Synthetic resins or natural rubbers -- part of the class 520 series > Guayule rubber
Description: Subject matter involving guayule rubber.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7259231 |
Extraction and fractionation of biopolymers and resins from plant materials |
Aug. 21, 2007 |
| 7045567 |
Rubber composition for tire tread and pneumatic tire using the rubber composition |
May. 16, 2006 |
| 6565768 |
Method for producing water-swellable hydorphilic polymers, said polymers and use thereof |
May. 20, 2003 |
| 5321111 |
Method for extracting polyisoprenes from plants |
Jun. 14, 1994 |
| 4829117 |
Stabilization of guayule-type rubbers |
May. 9, 1989 |
| 4739037 |
Fine grinding guayule shrub-solvent slurry |
Apr. 19, 1988 |
| 4684715 |
Extraction of rubber and/or resin from rubber containing plants with a monophase solvent mixture |
Aug. 4, 1987 |
| 4622365 |
Polyether treated guayule resin and rubber compositions containing the same |
Nov. 11, 1986 |
| 4621118 |
Sulfurized guayule resin and rubber |
Nov. 4, 1986 |
| 4616068 |
Polyamine treated guayule resin and rubber compositions containing the same |
Oct. 7, 1986 |
| 4616075 |
Storage of guayule by densification |
Oct. 7, 1986 |
| 4568711 |
Synergistic additive combination for guayule rubber stabilization |
Feb. 4, 1986 |
| 4559378 |
Stabilization of elastomers with aliphatic-phenyl diamines and aliphatic phosphite compounds |
Dec. 17, 1985 |
| 4435337 |
Process for extracting rubber and by-products from guayule and guayule-like shrubs |
Mar. 6, 1984 |
| 4405532 |
Methods for storage of guayule plant material |
Sep. 20, 1983 |
| 4376853 |
Processing of guayule material by volatilizing and heating steps |
Mar. 15, 1983 |
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