An extrusion process for preparing a low molecular weight polytetrafluoroethylene micropowder
US-2024017445-A1 · Jan 18, 2024 · US
Partial depolymerisation
Partial depolymerisation · 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 | C08F8/50 |
| Official title | Partial depolymerisation |
| Display label | Partial depolymerisation |
| Total patents | 218 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 12 |
| 2017 | 13 |
| 2018 | 16 |
| 2019 | 14 |
| 2020 | 26 |
| 2021 | 22 |
| 2022 | 27 |
| 2023 | 31 |
| 2024 | 19 |
| 2025 | 26 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Dialkyl peroxide composition for modifying the rheology of polypropylene in molten state
US-2019359743-A1 · Nov 28, 2019 · US
Melt-Blown Webs Without Shots and With Improved Barrier Properties
US-2019323155-A1 · Oct 24, 2019 · US
Reversibly cross-linkable resin
US-10450434-B2 · Oct 22, 2019 · US
Molecular modification of polyethylene resin
US-2019177448-A1 · Jun 13, 2019 · US
Paper product and method for increasing the strength thereof
US-2019177492-A1 · Jun 13, 2019 · US
Process to visbreak propylene-based polymers with C—C initiators
US-10316115-B2 · Jun 11, 2019 · US
Visbreaking process
US-2019136100-A1 · May 9, 2019 · US
High molecular weight polystyrene in inks and coatings
US-2019062518-A1 · Feb 28, 2019 · US
Method for selective etching of a block copolymer
US-2019047208-A1 · Feb 14, 2019 · US
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
US-2019023818-A1 · Jan 24, 2019 · US
Method for producing low molecular weight polytetrafluoroethylene, low molecular weight polytetrafluoroethylene, and powder
US-2019023856-A1 · Jan 24, 2019 · US
Dispersant for resin collectors, material for resin collectors, and resin collector
US-2019020039-A1 · Jan 17, 2019 · US
Photodegradable sample collection system and method
US-2019003940-A1 · Jan 3, 2019 · US
Modified polyolefin resin
US-2018371142-A1 · Dec 27, 2018 · US
Polymeric additives for morphologically stable organic light emitting diode and methods of manufacture thereof
US-2018340033-A1 · Nov 29, 2018 · US
Dispersant for resin collectors, material for resin collectors, and resin collector
US-10135073-B2 · Nov 20, 2018 · US
Modified polypropylene compositions for reduced necking in extrusion film casting or extrusion coating processes
US-10081720-B2 · Sep 25, 2018 · US
Method for manufacture of low emissions polypropylene
US-10072105-B2 · Sep 11, 2018 · US
Modified propylene-(α-olefin) copolymer, method for producing same, coating material comprising same, resin composition for molding use, and hot-melt composition
US-10072116-B2 · Sep 11, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08F8/50?
- CPC C08F8/50 is the Cooperative Patent Classification code for “Partial depolymerisation.”
- How many patents are filed under CPC C08F8/50 (Partial depolymerisation)?
- Our database includes 218 publications tagged with this CPC code.
- Is patent activity under CPC C08F8/50 growing?
- Publication counts under this code: 19 in 2024 vs 26 in 2025 (latest complete years).