Description
Class C08C : TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
Subclass 3/02: Treatment of coagulated rubber Purification
C08C 3/02
Sub-Class
Stats
- 30 US PATENTS IN FORCE
- 4 US APPLICATIONS PENDING
- 5 Total Patent Owners
- 75 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12157780 | Processes for removing color bodies from guayule | Dec 19, 19 | Dec 03, 24 | BRIDGESTONE CORPORATION |
| 11834526 | plants | Jul 25, 22 | Dec 05, 23 | BRIDGESTONE CORPORATION |
| 11440977 | Guayule latex extrusion | Feb 13, 18 | Sep 13, 22 | Cooper Tire & Rubber Company |
| 11396560 | Processes for the removal of rubber from non-hevea plants | Apr 17, 20 | Jul 26, 22 | BRIDGESTONE CORPORATION |
| 11345795 | Natural rubber | Nov 15, 18 | May 31, 22 | Compagnie Generale des Etablissements Michelin |
| 11286324 | Carboxyl group-containing nitrile rubber, method for production same, crosslinkable nitrile rubber composition, and crosslinked rubber | Dec 19, 17 | Mar 29, 22 | Zeon Corporation |
| 11225566 | Latex and composite | Mar 12, 19 | Jan 18, 22 | Zeon Corporation |
| 11028188 | Processes for recovering rubber from aged briquettes | Jun 06, 19 | Jun 08, 21 | BRIDGESTONE CORPORATION |
| 10626194 | plants | Feb 12, 18 | Apr 21, 20 | BRIDGESTONE CORPORATION |
| 10479843 | Method for producing natural rubber | Mar 17, 16 | Nov 19, 19 | Sumitomo Rubber Industries, Ltd. |
| 10316110 | Processes for recovering rubber from aged briquettes | Apr 27, 17 | Jun 11, 19 | BRIDGESTONE CORPORATION |
| 10308727 | Myoglobin-containing food freshness deterioration suppressing material and use thereof | May 27, 15 | Jun 04, 19 | SEKISUI PLASTICS CO., LTD. |
| 10287367 | Process for the removal of rubber from TKS plant matter | Feb 13, 17 | May 14, 19 | BRIDGESTONE CORPORATION |
| 10227420 | Elimination of contaminants in wet natural rubber | Apr 08, 16 | Mar 12, 19 | Compagnie Generale Des Establissements Michelin |
| 10113011 | Process for recovering rubber from natural rubber latex | Nov 30, 16 | Oct 30, 18 | BRIDGESTONE CORPORATION |
| 10066090 | Rubber composition for tires and pneumatic tire | Nov 27, 14 | Sep 04, 18 | Sumitomo Rubber Industries, Ltd. |
| 9969857 | Single-screw extrusion desulfurization and post-processing system, and method for preparing reclaimed rubber | Nov 05, 14 | May 15, 18 | Not available |
| 9932433 | Method for preparing nitrile-based rubber | Jun 05, 15 | Apr 03, 18 | LG Chem, Ltd. |
| 9890262 | Processes for the removal of rubber from non-hevea plants | Apr 03, 17 | Feb 13, 18 | BRIDGESTONE CORPORATION |
| 9856362 | Rubber composition for tires and pneumatic tire | Nov 27, 14 | Jan 02, 18 | SUMITOMO RUBBER INDUSTRIES, LTD. |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0092,163 | Processes For Removing Color Bodies From Guayule | Dec 02, 24 | Mar 20, 25 | BRIDGESTONE CORPORATION |
| 2024/0336,708 | PURIFIED GUAYULE NATURAL RUBBER AND RELATED PROCESSES | Oct 06, 22 | Oct 10, 24 | BRIDGESTONE CORPORATION |
| 2024/0101,722 | Processes For The Removal Of Rubber From Non-Hevea Plants | Dec 04, 23 | Mar 28, 24 | BRIDGESTONE CORPORATION |
| 2020/0239,602 | PROCESSES FOR THE REMOVAL OF RUBBER FROM NON-HEVEA PLANTS | Apr 17, 20 | Jul 30, 20 | BRIDGESTONE CORPORATION |
Top Owners in This Subclass
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
Patents Issued To Date - By Filing Year
Average Time to Issuance
- 29 Months (last 2 years Issuances)
- 29 Months (last 5 years Issuances)