Reverse osmosis membrane and method of producing the same
US-2024307831-A1 · Sep 19, 2024 · US
Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers · 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 | C08J2367/00 |
| Official title | Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers |
| Display label | Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers |
| Total patents | 825 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 48 |
| 2016 | 57 |
| 2017 | 55 |
| 2018 | 67 |
| 2019 | 53 |
| 2020 | 88 |
| 2021 | 82 |
| 2022 | 96 |
| 2023 | 95 |
| 2024 | 101 |
| 2025 | 64 |
| 2026 | 19 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Liquid crystal polyester powder, method for producing powder, composition, method for producing composition, method for producing film, and method for producing laminated body
US-2024110020-A1 · Apr 4, 2024 · US
Method for depolymerising polyester
US-2024052131-A1 · Feb 15, 2024 · US
Sealant composition
US-11898005-B2 · Feb 13, 2024 · US
Low density coring material
US-9511563-B2 · Dec 6, 2016 · US
Thermosetting resin composition having heat resistance and low dielectric loss characteristics, prepreg using same, and copper clad laminate
US-2016297967-A1 · Oct 13, 2016 · US
Thermoplastic jounce bumpers
US-2016280029-A1 · Sep 29, 2016 · US
Release film, laminate and method for manufacturing same, and method for manufacturing fuel cell
US-2016276689-A1 · Sep 22, 2016 · US
Electroconductive elastomer composition and manufacturing method therefor
US-2016266524-A1 · Sep 15, 2016 · US
Resin film and method of producing resin film
US-2016238769-A1 · Aug 18, 2016 · US
Improvements in or relating to thermosetting adhesive films
US-2016160087-A1 · Jun 9, 2016 · US
Methods of material hydrophilization by siloxanes containing nitrilopoly (methylenephosphonic acid) or derivatives thereof
US-9314816-B2 · Apr 19, 2016 · US
Sheet molding composition containing surface modified glass filler
US-2015376398-A1 · Dec 31, 2015 · US
Low-density molding compound containing surface derivatized microspheres
US-2015376350-A1 · Dec 31, 2015 · US
Silicone-coated release film with a special vacuum deep drawing capability
US-2015368418-A1 · Dec 24, 2015 · US
Resin for toner and toner
US-2015362853-A1 · Dec 17, 2015 · US
Barrier films of fdca-based polyesters
US-2015353692-A1 · Dec 10, 2015 · US
Active ester resin, epoxy resin composition, cured product thereof, prepreg, circuit board, and build-up film
US-2015344617-A1 · Dec 3, 2015 · US
Resin composition, prepreg and their uses
US-9199434-B2 · Dec 1, 2015 · US
Glycolide-based polyesters made with isosorbide
US-2015337095-A1 · Nov 26, 2015 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2367/00?
- CPC C08J2367/00 is the Cooperative Patent Classification code for “Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers.”
- How many patents are filed under CPC C08J2367/00 (Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers)?
- Our database includes 825 publications tagged with this CPC code.
- Is patent activity under CPC C08J2367/00 growing?
- Publication counts under this code: 101 in 2024 vs 64 in 2025 (latest complete years).