TPU pneumatic tubes made with mono ethyleneglycol as chain extender for high temperature use
US-11168175-B2 · Nov 9, 2021 · US
with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38
with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 · 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 | C08G18/6681 |
| Official title | {with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38} |
| Display label | with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38 |
| Total patents | 90 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 4 |
| 2017 | 10 |
| 2018 | 6 |
| 2019 | 17 |
| 2020 | 15 |
| 2021 | 13 |
| 2022 | 8 |
| 2023 | 10 |
| 2024 | 2 |
| 2025 | 2 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Polyurethane particle foam with polyurethane coating
US-2021163700-A1 · Jun 3, 2021 · US
Thermosetting composition for forming components of rigid, gas permeable lenses
US-2021147610-A1 · May 20, 2021 · US
Thermoplastic polyurethane materials for forming medical devices
US-10995175-B2 · May 4, 2021 · US
Polyurethane particle foam with polyurethane coating
US-10941263-B2 · Mar 9, 2021 · US
Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams
US-2021040316-A1 · Feb 11, 2021 · US
Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams
US-10851239-B2 · Dec 1, 2020 · US
Inkjet ink set
US-10829658-B2 · Nov 10, 2020 · US
Thermoplastic polyurethane graphene oxide nanocomposites with enhanced mechanical behavior
US-10793695-B2 · Oct 6, 2020 · US
Antimicrobial guanidinium and thiouronium functionalized polymers
US-10779539-B2 · Sep 22, 2020 · US
Crystalline high modulus thermoplastic polyurethane
US-10774172-B2 · Sep 15, 2020 · US
Bio-electrode composition, bio-electrode, and method for manufacturing a bio-electrode
US-10743788-B2 · Aug 18, 2020 · US
Aldehyde scavengers mixtures for polyurethane foams
US-10696777-B2 · Jun 30, 2020 · US
Ethylenically unsaturated macromers produced from a residue of isocyanate manufacturing, related preformed stabilizers, polymer polyols, foam-forming compositions and foams
US-2020140684-A1 · May 7, 2020 · US
Thermosetting composition for forming components of rigid, gas permeable lenses
US-2020115488-A1 · Apr 16, 2020 · US
Use of a coating agent composition for lining containers
US-10604676-B2 · Mar 31, 2020 · US
Coating composition for glossy ink receptive media
US-10597549-B2 · Mar 24, 2020 · US
Antimicrobial guanidinium and thiouronium functionalized polymers
US-2020085059-A1 · Mar 19, 2020 · US
Antimicrobial guanidinium and thiouronium functionalized polymers
US-2020077660-A1 · Mar 12, 2020 · US
Silane modified polymers with improved characteristics for adhesive compositions
US-2020063007-A1 · Feb 27, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C08G18/6681?
- CPC C08G18/6681 is the Cooperative Patent Classification code for “with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38.”
- How many patents are filed under CPC C08G18/6681 (with compounds of group C08G18/32 or C08G18/3271 and/or polyamines of C08G18/38)?
- Our database includes 90 publications tagged with this CPC code.
- Is patent activity under CPC C08G18/6681 growing?
- Publication counts under this code: 2 in 2024 vs 2 in 2025 (latest complete years).