Description
Class C08C : TREATMENT OR CHEMICAL MODIFICATION OF RUBBERS
Subclass 1/04: Treatment of rubber latex Chemical or physical treatment of rubber latex before or during concentration Purifying; Deproteinising
C08C 1/04
Sub-Class
Stats
- 51 US PATENTS IN FORCE
- 13 US APPLICATIONS PENDING
- 7 Total Patent Owners
- 115 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 |
| 11566086 | Rubber and by-product extraction systems and methods | Dec 08, 21 | Jan 31, 23 | KULTEVAT, INC. |
| 11498982 | Method for concentrating rubber emulsion and product thereof | Dec 15, 21 | Nov 15, 22 | AGRICULTURAL PRODUCT PROCESSING RESEARCH INSTITUTE, CHINESE ACADEMY OF TROPICAL AGRICULTURAL SCIENCES |
| 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 |
| 11230613 | Rubber and by-product extraction systems and methods | Feb 05, 20 | Jan 25, 22 | KULTEVAT, INC. |
| 11028188 | Processes for recovering rubber from aged briquettes | Jun 06, 19 | Jun 08, 21 | BRIDGESTONE CORPORATION |
| 11028236 | Method for processing dandelion plant components | Aug 09, 17 | Jun 08, 21 | GEA MECHANICAL EQUIPMENT GMBH |
| 10913804 | natural rubber in solid form from solutions including it | Dec 13, 16 | Feb 09, 21 | VERSALIS S.P.A. |
| 10899093 | Fresnel lens on flexible substrate for packaging and other applications and process therefor | Jan 18, 16 | Jan 26, 21 | Not available |
| 10858454 | Rubber extraction method | Nov 03, 16 | Dec 08, 20 | LION-FLEX B.V. |
| 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 |
| 10584185 | Rubber and by-product extraction systems and methods | Aug 06, 18 | Mar 10, 20 | KULTEVAT, INC. |
| 10570312 | Method for the separation of the isoprenic constituents of guayule | Jul 29, 16 | Feb 25, 20 | Versalis S.p.A. |
| 10538647 | Rubber composition for tires and pneumatic tire | Oct 18, 18 | Jan 21, 20 | Sumitomo Rubber Industries, Ltd. |
| 10316110 | Processes for recovering rubber from aged briquettes | Apr 27, 17 | Jun 11, 19 | 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 |
| 2024/0389,688 | PROCESS FOR REMOVING PROTEIN CONTENTS FROM RUBBER GLOVE AND RUBBER GLOVE PRODUCT RESULTING THEREFROM | Oct 14, 21 | Nov 28, 24 | Sri Trang Gloves (Thailand) Public Company Limited |
| 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 |
| 2022/0235,151 | METHOD FOR PRODUCING PURIFIED CHLOROPRENE-BASED-POLYMER LATEX | May 13, 20 | Jul 28, 22 | EC-Showa Denko K.K. |
| 2022/0135,707 | PROCESSING METHOD OF NATURAL RUBBER LATEX USING CREAMING | Sep 15, 20 | May 05, 22 | Not available |
| 2021/0189,020 | DANDELION RUBBER PRODUCTION BY THERMAL CYCLES IMPLEMENTATION | Dec 20, 19 | Jun 24, 21 | Not available |
| 2021/0087,300 | RUBBER EXTRACTION METHOD | Dec 04, 20 | Mar 25, 21 | LION-FLEX B.V. |
| 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 |
| 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 |
| 2018/0319,904 | RUBBER EXTRACTION METHOD | Nov 03, 16 | Nov 08, 18 | Keygene N.V. |
| 2017/0152,325 | METHOD FOR ISOLATING ABS GRAFT COPOLYMERS | Jun 17, 15 | Jun 01, 17 | INEOS STYROLUTION GROUP GMBH |
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)