Fire-resistant multi-layer membrane
US-2024123718-A1 · Apr 18, 2024 · US
of natural rubber or synthetic rubber
of natural rubber or synthetic rubber · Cooperative Patent Classification (CPC)
Separating, mixing, shaping, printing, and transporting materials.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | B32B25/042 |
| Official title | {of natural rubber or synthetic rubber} |
| Display label | of natural rubber or synthetic rubber |
| Total patents | 749 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 18 |
| 2016 | 33 |
| 2017 | 48 |
| 2018 | 71 |
| 2019 | 98 |
| 2020 | 98 |
| 2021 | 112 |
| 2022 | 85 |
| 2023 | 68 |
| 2024 | 61 |
| 2025 | 53 |
| 2026 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Fire-resistant multi-layer membrane
US-2024025163-A1 · Jan 25, 2024 · US
Polymeric interlayers and multiple layer panels made therefrom exhibiting enhanced properties and performance
US-2017361592-A1 · Dec 21, 2017 · US
Interlayer film for laminated glass and laminated glass
US-2017334173-A1 · Nov 23, 2017 · US
Pressure-sensitive adhesives including expandable graphite
US-2017267896-A1 · Sep 21, 2017 · US
Polyolefin-based elastic film structures, laminates and methods thereof
US-2017246846-A1 · Aug 31, 2017 · US
Process for producing acrylic rubber/fluorinated rubber composition, crosslinkable composition, laminate and heat resistant air rubber hose
US-9718895-B2 · Aug 1, 2017 · US
Steel reinforcing element coated with an adhesive composition containing aromatic aldehyde and polyphenol
US-2017165942-A1 · Jun 15, 2017 · US
Roofing membranes with expandable graphite as flame retardant
US-9611639-B2 · Apr 4, 2017 · US
Sheet roofing with pre-taped seams and tape therefor
US-2016362894-A1 · Dec 15, 2016 · US
Abrasion-detection type conveyor belt and manufacturing method thereof
US-2016362252-A1 · Dec 15, 2016 · US
Self-sealing bladders and related methods
US-2016347038-A1 · Dec 1, 2016 · US
Compositions Comprising Propylene-Based Elastomers and Polyalphaolefins
US-2016326357-A1 · Nov 10, 2016 · US
Tire comprising a multilayer laminated composite
US-2016311201-A1 · Oct 27, 2016 · US
Fluorosilicone-based dielectric elastomer and method for its production
US-9478727-B2 · Oct 25, 2016 · US
Transmission Belt
US-2016298725-A1 · Oct 13, 2016 · US
Sheet roofing with pre-taped seams and tape therefor
US-9458633-B2 · Oct 4, 2016 · US
Impact-absorbing member
US-9452596-B2 · Sep 27, 2016 · US
Bicomponent seals comprising aligned elongated carbon nanoparticles
US-2016237754-A1 · Aug 18, 2016 · US
Damping thermoplastic elastomers
US-2016230000-A1 · Aug 11, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B25/042?
- CPC B32B25/042 is the Cooperative Patent Classification code for “of natural rubber or synthetic rubber.”
- How many patents are filed under CPC B32B25/042 (of natural rubber or synthetic rubber)?
- Our database includes 749 publications tagged with this CPC code.
- Is patent activity under CPC B32B25/042 growing?
- Publication counts under this code: 61 in 2024 vs 53 in 2025 (latest complete years).