Fire-resistant multi-layer membrane
US-2024123718-A1 · Apr 18, 2024 · US
comprising butyl or halobutyl rubber
comprising butyl or halobutyl 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 | B32B25/18 |
| Official title | comprising butyl or halobutyl rubber |
| Display label | comprising butyl or halobutyl rubber |
| Total patents | 381 |
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 | 19 |
| 2017 | 26 |
| 2018 | 32 |
| 2019 | 48 |
| 2020 | 51 |
| 2021 | 48 |
| 2022 | 47 |
| 2023 | 38 |
| 2024 | 33 |
| 2025 | 21 |
| 2026 | 2 |
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
Sliding elastic body
US-9850445-B2 · Dec 26, 2017 · US
Adhesive film and method for manufacturing semiconductor device
US-9822284-B2 · Nov 21, 2017 · US
Multilayer composite interior component
US-9802383-B2 · Oct 31, 2017 · US
Tire laminate, inner liner material for tire, and pneumatic tir
US-2017305194-A1 · Oct 26, 2017 · US
Tire laminate, inner liner material for tire, and pneumatic tire
US-2017282646-A1 · Oct 5, 2017 · US
Pressure-sensitive adhesives including expandable graphite
US-2017275500-A1 · Sep 28, 2017 · US
Conveyor belt with high flexibility and at the same time high flame resistance
US-9771219-B2 · Sep 26, 2017 · US
Pressure-sensitive adhesives including expandable graphite
US-2017267896-A1 · Sep 21, 2017 · US
Process for producing panels with footfall and ambient sound deadening
US-9725913-B2 · Aug 8, 2017 · US
Rubber bearing
US-2017211288-A1 · Jul 27, 2017 · US
Composition, process for producing sheet, sheet, laminate, and laminate with device wafer
US-2017198176-A1 · Jul 13, 2017 · US
Film to keep tire surface clean and simultaneously prime for better adhesion of balance pad
US-2017190218-A1 · Jul 6, 2017 · US
Pressure-sensitive adhesives including expandable graphite
US-9688887-B2 · Jun 27, 2017 · US
Pressure-sensitive adhesives including expandable graphite
US-9683135-B2 · Jun 20, 2017 · US
Pneumatic tire
US-2017151834-A1 · Jun 1, 2017 · US
Case for rechargeable battery and rechargeable battery comprising the same
US-2017149026-A1 · May 25, 2017 · US
Laminated body and composite body; assembly retrieval method; and semiconductor device manufacturing method
US-2017140974-A1 · May 18, 2017 · US
Air spring sleeve
US-2017114854-A1 · Apr 27, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B32B25/18?
- CPC B32B25/18 is the Cooperative Patent Classification code for “comprising butyl or halobutyl rubber.”
- How many patents are filed under CPC B32B25/18 (comprising butyl or halobutyl rubber)?
- Our database includes 381 publications tagged with this CPC code.
- Is patent activity under CPC B32B25/18 growing?
- Publication counts under this code: 33 in 2024 vs 21 in 2025 (latest complete years).