Process control for long chain branching control in polyethylene production
US-10513572-B2 · Dec 24, 2019 · US
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Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643 {(C08F4/60003 - C08F4/60196 take precedence)}
Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643 {(C08F4/60003 - C08F4/60196 take precedence)} · Cooperative Patent Classification (CPC)
Chemical and metallurgical processes, compounds, and materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | C08F4/645 |
| Official title | Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643 {(C08F4/60003 - C08F4/60196 take precedence)} |
| Display label | Component covered by group C08F4/64 with a metal or compound covered by group C08F4/44, not provided for in a single group of groups C08F4/642 - C08F4/643 {(C08F4/60003 - C08F4/60196 take precedence)} |
| Total patents | 15 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 1 |
| 2016 | 5 |
| 2017 | 5 |
| 2018 | 2 |
| 2019 | 2 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process control for long chain branching control in polyethylene production
US-2019016835-A1 · Jan 17, 2019 · US
Process control for long chain branching control in polyethylene production
US-10155831-B2 · Dec 18, 2018 · US
Production method for olefin-based polymer, and olefin polymerization catalyst
US-10150825-B2 · Dec 11, 2018 · US
Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends
US-9745230-B2 · Aug 29, 2017 · US
Catalyst composition and method of preparing polymer including the same
US-9683061-B2 · Jun 20, 2017 · US
Production method for olefin-based polymer, and olefin polymerization catalyst
US-2017029539-A1 · Feb 2, 2017 · US
Method of preparing olefin-based polymer and olefin-based polymer prepared thereby
US-9550848-B2 · Jan 24, 2017 · US
Process control for long chain branching control in polyethylene production
US-2017015768-A1 · Jan 19, 2017 · US
Olefin-based polymer
US-9481747-B2 · Nov 1, 2016 · US
Olefin-based polymer
US-2016272743-A1 · Sep 22, 2016 · US
Oligomerization of Alpha Olefins Using Metallocene-SSA Catalyst Systems and Use of the Resultant Polyalphaolefins to Prepare Lubricant Blends
US-2016264493-A1 · Sep 15, 2016 · US
Oligomerization of alpha olefins using metallocene-SSA catalyst systems and use of the resultant polyalphaolefins to prepare lubricant blends
US-9334203-B2 · May 10, 2016 · US
Method of preparing olefin-based polymer and olefin-based polymer prepared thereby
US-2016046735-A1 · Feb 18, 2016 · US
Catalyst composition and method of preparing polymer including the same
US-2015361196-A1 · Dec 17, 2015 · US