Polybutylene terephthalate composition with improved hydrolytic stability
US-10479888-B2 · Nov 19, 2019 · US
Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)}
Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes 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 | C08G63/83 |
| Official title | Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)} |
| Display label | Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)} |
| Total patents | 155 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 13 |
| 2016 | 16 |
| 2017 | 8 |
| 2018 | 14 |
| 2019 | 9 |
| 2020 | 9 |
| 2021 | 13 |
| 2022 | 13 |
| 2023 | 21 |
| 2024 | 20 |
| 2025 | 15 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Biaxially oriented polyester film
US-10471755-B2 · Nov 12, 2019 · US
Synthetic wood
US-2019322001-A1 · Oct 24, 2019 · US
Aminopolycarboxylic acids useful as processing aids in the manufacture of superabsorbents
US-10427135-B2 · Oct 1, 2019 · US
Absorbent polymers, and methods and systems of producing thereof and uses thereof
US-2019255512-A1 · Aug 22, 2019 · US
Process to prepare a polyester polymer composition comprising a polyester polymer having furanic units and a polyester polymer composition obtainable thereby and the use thereof
US-10377853-B2 · Aug 13, 2019 · US
Polyester compositions which comprise tetramethylcyclobutanediol and ethylene glycol for calendering
US-2019211145-A1 · Jul 11, 2019 · US
Oriented films and shrink films comprising polyesters which comprise tetramethylcyclobutanediol and ethylene glycol
US-2019211146-A1 · Jul 11, 2019 · US
Biaxially oriented polyester film
US-2019061400-A1 · Feb 28, 2019 · US
Polyethylene terephthalate resin composition and film formed from same
US-2018319977-A1 · Nov 8, 2018 · US
Novel branched sulfur-containing polymers
US-2018312629-A1 · Nov 1, 2018 · US
Method and catalyst system for preparing polymers and block copolymers
US-2018305501-A1 · Oct 25, 2018 · US
Bibenzoate copolyesters and methods to produce them
US-2018282475-A1 · Oct 4, 2018 · US
Phenolic polymers and preparation processes thereof
US-10053540-B2 · Aug 21, 2018 · US
Terminally modified polybutylene terephthalate resin, thermoplastic resin composition including same, and molded article
US-2018223040-A1 · Aug 9, 2018 · US
Method and catalyst system for preparing polymers and block copolymers
US-10030106-B2 · Jul 24, 2018 · US
Transesterification of polyesters
US-2018179376-A1 · Jun 28, 2018 · US
Graphene reinforced polyethylene terephthalate
US-2018171099-A1 · Jun 21, 2018 · US
Polybutylene terephthalate composition with improved hydrolytic stability
US-2018163045-A1 · Jun 14, 2018 · US
Aliphatic polycarbonate with long-chain branches and aromatic copolyester thereof
US-9975990-B2 · May 22, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G63/83?
- CPC C08G63/83 is the Cooperative Patent Classification code for “Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)}.”
- How many patents are filed under CPC C08G63/83 (Alkali metals, alkaline earth metals, beryllium, magnesium, copper, silver, gold, zinc, cadmium, mercury, manganese, or compounds thereof {(C08G63/823 takes precedence)})?
- Our database includes 155 publications tagged with this CPC code.
- Is patent activity under CPC C08G63/83 growing?
- Publication counts under this code: 20 in 2024 vs 15 in 2025 (latest complete years).