Description
Class C08F : MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
Subclass 2/12: Processes of polymerisation Polymerisation in non-solvents (C08F 2/32 takes precedence)
C08F 2/12
Sub-Class
Stats
- 91 US PATENTS IN FORCE
- 2 US APPLICATIONS PENDING
- 17 Total Patent Owners
- 288 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 12115506 | Catalyst slurry mixing process and system | Aug 21, 23 | Oct 15, 24 | Chevron Phillips Chemical Company LP |
| 11833479 | Catalyst slurry mixing process and system | Mar 26, 20 | Dec 05, 23 | Chevron Phillips Chemical Company LP |
| 11434309 | Controlling molecular weight distribution and chemical composition distribution of a polyolefin product | Mar 24, 20 | Sep 06, 22 | ExxonMobil Chemical Patents Inc. |
| 11192961 | Production of heterophasic polymers in gas or slurry phase | Jan 28, 20 | Dec 07, 21 | ExxonMobil Chemical Patents Inc. |
| 11129706 | Prosthesis for in vivo insertion, coated with cross-linked polyphosphorylcholine | Apr 17, 15 | Sep 28, 21 | Seoul National University R&DB Foundation; BS RESEARCH CO. LTD.; |
| 10934372 | Olefin polymerization processes | Jun 22, 17 | Mar 02, 21 | ExxonMobil Chemical Patents Inc. |
| 10787528 | Process for preparing propylene copolymer compositions | Dec 27, 16 | Sep 29, 20 | Borealis AG |
| 10683371 | Device for producing poly(meth)acrylate in powder form | Nov 15, 16 | Jun 16, 20 | BASF SE |
| 10676544 | Process for polymerising alpha-olefin monomers | Nov 22, 16 | Jun 09, 20 | Borealis AG |
| 10626199 | Process for producing polypropylene | Dec 21, 15 | Apr 21, 20 | Borealis AG |
| 10570219 | Production of heterophasic polymers in gas or slurry phase | May 27, 16 | Feb 25, 20 | ExxonMobil Chemical Patents Inc. |
| 10478799 | Heat transfer in a polymerization reactor | Sep 14, 17 | Nov 19, 19 | Chevron Phillips Chemical Company LP |
| 10189915 | Polymerization process | Aug 12, 15 | Jan 29, 19 | Rohm and Haas Company |
| 10016923 | Bimodal polyethylene for injection stretch blow moulding applications | Feb 27, 17 | Jul 10, 18 | TOTAL RESEARCH & TECHNOLOGY FELUY |
| 10005861 | Methods for increasing polymer production rates with halogenated hydrocarbon compounds | Apr 26, 17 | Jun 26, 18 | Chevron Phillips Chemical Company LP |
| 9932422 | Flashline heater system and method | Mar 14, 16 | Apr 03, 18 | Chevron Phillips Chemical Company LP |
| 9809659 | Ethylene polymerization process having improved heat exchanger performance | Jun 22, 15 | Nov 07, 17 | BASELL POLYOLEFINE GMBH |
| 9789463 | Heat transfer in a polymerization reactor | Jun 24, 14 | Oct 17, 17 | CHEVRON PHILLIPS CHEMICAL COMPANY LP |
| 9701772 | Process for preparation of propylene copolymer | Jul 22, 14 | Jul 11, 17 | BOREALIS AG |
| 9650454 | Process for ethylene polymerization with improved slurry pump performance | May 13, 15 | May 16, 17 | BASELL POLYOLEFINE GMBH |
Recent Publications
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0317,917 | METHODS FOR HYDROAMINOALKYLATION OF OLEFINS AND GROUP 4 METAL COMPLEXES USEFUL IN SUCH METHODS | Dec 21, 21 | Sep 26, 24 | Not available |
| 2024/0076,419 | COMPOSITE POLYIMIDE SEPARATOR AND PREPARATION METHOD THEREOF, AND SECONDARY BATTERY | Oct 18, 23 | Mar 07, 24 | Contemporary Amperex Technology Co., Limited |
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 32 Months (last 2 years Issuances)
- 32 Months (last 5 years Issuances)