Description
Class C08C : TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
Subclass 2/02: Treatment of rubber solutions Purification
C08C 2/02
Sub-Class
Stats
- 33 US PATENTS IN FORCE
- 10 US APPLICATIONS PENDING
- 9 Total Patent Owners
- 85 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 |
| 11458415 | Extractor and related methods | Nov 23, 20 | Oct 04, 22 | BRIDGESTONE CORPORATION |
| 11396560 | Processes for the removal of rubber from non-hevea plants | Apr 17, 20 | Jul 26, 22 | BRIDGESTONE CORPORATION |
| 11383180 | Fractionator for separating solubilized rubber from a co-solvent based miscella and related processes | Jul 20, 20 | Jul 12, 22 | BRIDGESTONE CORPORATION |
| 11028188 | Processes for recovering rubber from aged briquettes | Jun 06, 19 | Jun 08, 21 | BRIDGESTONE CORPORATION |
| 10913804 | natural rubber in solid form from solutions including it | Dec 13, 16 | Feb 09, 21 | VERSALIS S.P.A. |
| 10882980 | Process for the production of water and solvent-free hydrogenated nitrile rubbers | Dec 21, 15 | Jan 05, 21 | Arlanxeo Deutschland GmbH |
| 10858455 | Process for the production of water and solvent-free nitrile rubbers | Sep 01, 16 | Dec 08, 20 | Arlanxeo Deutschland GmbH |
| 10843103 | Extractor and related methods | Apr 01, 19 | Nov 24, 20 | BRIDGESTONE CORPORATION |
| 10717021 | Fractionator for separating solubilized rubber from a co-solvent based miscella and related processes | Oct 29, 18 | Jul 21, 20 | BRIDGESTONE CORPORATION |
| 10626194 | plants | Feb 12, 18 | Apr 21, 20 | BRIDGESTONE CORPORATION |
| 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. |
| 10294309 | Extraction of polyisoprene with high molar mass | Apr 14, 16 | May 21, 19 | Association pour les Transferts de Technologies du Mans; Centre de cooperation internationale en recherche afronomique pour le developpement (CIRAD); |
| 10287367 | Process for the removal of rubber from TKS plant matter | Feb 13, 17 | May 14, 19 | BRIDGESTONE CORPORATION |
| 10245526 | Extractor and related methods | Sep 15, 15 | Apr 02, 19 | BRIDGESTONE CORPORATION |
| 10246525 | Process for producing conjugated diene polymer | Sep 07, 15 | Apr 02, 19 | Asahi Kasei Kabushiki Kaisha |
| 10112123 | Fractionator for separating solubilized rubber from a co-solvent based miscella and related processes | Sep 15, 15 | Oct 30, 18 | BRIDGESTONE CORPORATION |
| 10023660 | Compositions containing purified non-hevea rubber and related purification methods | May 16, 13 | Jul 17, 18 | Bridgestone Corporation |
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 |
| 2024/0101,722 | Processes For The Removal Of Rubber From Non-Hevea Plants | Dec 04, 23 | Mar 28, 24 | BRIDGESTONE CORPORATION |
| 2023/0220,124 | METHODS FOR PRODUCING POLYISOPRENE LATEX DISPERSIONS | Jun 14, 21 | Jul 13, 23 | Not available |
| 2020/0346,134 | Fractionator For Separating Solubilized Rubber From A Co-Solvent Based Miscella And Related Processes | Jul 20, 20 | Nov 05, 20 | BRIDGESTONE CORPORATION |
| 2020/0239,602 | PROCESSES FOR THE REMOVAL OF RUBBER FROM NON-HEVEA PLANTS | Apr 17, 20 | Jul 30, 20 | BRIDGESTONE CORPORATION |
| 2020/0181,294 | ULTRAFILTRATION OF POLYISOOLEFIN COPOLYMERS | Feb 12, 20 | Jun 11, 20 | Not available |
| 2018/0362,671 | PROCESS FOR SEPARATING NON-HEVEA NATURAL RUBBER IN SOLID FORM FROM SOLUTIONS INCLUDING IT | Dec 13, 16 | Dec 20, 18 | Not available |
| 2017/0183,423 | ULTRAFILTRATION OF POLYISOOLEFIN COPOLYMERS | Jul 07, 15 | Jun 29, 17 | ARLANXEO Singapore Pte. Ltd. |
| 2016/0369,014 | PROCESS FOR THE PRODUCTION OF WATER AND SOLVENT-FREE NITRILE RUBBERS | Sep 01, 16 | Dec 22, 16 | ARLANXEO DEUTSCHLAND GMBH |
| 2015/0126,673 | Compositions Containing Purified Non-Hevea Rubber And Related Purification Methods | May 16, 13 | May 07, 15 | BRIDGESTONE CORPORATION |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 27 Months (last 2 years Issuances)
- 27 Months (last 5 years Issuances)