Polyolefin-Based Porous Film and Method for Producing the Same
US-2017338458-A1 · Nov 23, 2017 · US
Homopolymers or copolymers of acids; Metal or ammonium salts thereof
Homopolymers or copolymers of acids; Metal or ammonium salts thereof · 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 | C08J2433/02 |
| Official title | Homopolymers or copolymers of acids; Metal or ammonium salts thereof |
| Display label | Homopolymers or copolymers of acids; Metal or ammonium salts thereof |
| Total patents | 275 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 16 |
| 2016 | 26 |
| 2017 | 23 |
| 2018 | 22 |
| 2019 | 29 |
| 2020 | 31 |
| 2021 | 27 |
| 2022 | 24 |
| 2023 | 21 |
| 2024 | 28 |
| 2025 | 21 |
| 2026 | 7 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Silicone hydrogel lenses with water-rich surfaces
US-9816009-B2 · Nov 14, 2017 · US
Method for producing contact lenses with durable lubricious coatings thereon
US-9810812-B2 · Nov 7, 2017 · US
Silicone hydrogel lens with a crosslinked hydrophilic coating
US-2017306178-A1 · Oct 26, 2017 · US
AQUEOUS ETHYLCELLULOSE DISPERSIONS With polymeric additive
US-2017292010-A1 · Oct 12, 2017 · US
Resin composition and compression-molded article of same
US-2017282516-A1 · Oct 5, 2017 · US
Bump-forming material, method for producing electronic component, method for producing semiconductor device, and semiconductor device
US-2017260348-A1 · Sep 14, 2017 · US
Silicone hydrogel lens with a crosslinked hydrophilic coating
US-9738813-B2 · Aug 22, 2017 · US
Water-barrier laminate
US-2017226625-A1 · Aug 10, 2017 · US
Coating material for gas barrier, gas barrier film, and laminated body
US-2017210909-A1 · Jul 27, 2017 · US
One-step process for making a polymer composite coating with high barrier
US-2017183468-A1 · Jun 29, 2017 · US
Polyarylene sulfide dispersion, powder particles, method for producing polyarylene sulfide dispersion, and method for producing powder particles
US-2017145168-A1 · May 25, 2017 · US
Composite material for absorbent article, and method for manufacturing thereof
US-9603756-B2 · Mar 28, 2017 · US
Method for producing contact lenses with durable lubricious coatings thereon
US-2017068019-A1 · Mar 9, 2017 · US
Prepreg, metal-clad laminate, and printed wiring board
US-9578734-B2 · Feb 21, 2017 · US
Coated polymer foils with oxygen barrier properties
US-9574100-B2 · Feb 21, 2017 · US
Silicone hydrogel lens with a crosslinked hydrophilic coating
US-2017037276-A1 · Feb 9, 2017 · US
Preparation method of superabsorbent polymer and superabsorbent polymer prepared thereby
US-2017015798-A1 · Jan 19, 2017 · US
Silicone hydrogel lenses with water-rich surfaces
US-2016377885-A1 · Dec 29, 2016 · US
Modified fiber, methods, and systems
US-2016369454-A1 · Dec 22, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08J2433/02?
- CPC C08J2433/02 is the Cooperative Patent Classification code for “Homopolymers or copolymers of acids; Metal or ammonium salts thereof.”
- How many patents are filed under CPC C08J2433/02 (Homopolymers or copolymers of acids; Metal or ammonium salts thereof)?
- Our database includes 275 publications tagged with this CPC code.
- Is patent activity under CPC C08J2433/02 growing?
- Publication counts under this code: 28 in 2024 vs 21 in 2025 (latest complete years).