Process for preparing polyisocyanates
US-10112892-B2 · Oct 30, 2018 · US
Continuous processes
Continuous processes · 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 | B01J2219/00033 |
| Official title | Continuous processes |
| Display label | Continuous processes |
| Total patents | 424 |
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 | 14 |
| 2016 | 18 |
| 2017 | 25 |
| 2018 | 44 |
| 2019 | 45 |
| 2020 | 64 |
| 2021 | 58 |
| 2022 | 44 |
| 2023 | 40 |
| 2024 | 46 |
| 2025 | 23 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Method for continuously producing ketomalonic acid compound using flow reactor
US-10035753-B2 · Jul 31, 2018 · US
Continuous synthesis method for a modified diene elastomer, facility for implementing same
US-9908949-B2 · Mar 6, 2018 · US
Hydroformylation process
US-2017355656-A1 · Dec 14, 2017 · US
Systems and methods for producing propylene
US-9834497-B2 · Dec 5, 2017 · US
Process for preparing esters of lactic acid, and 2-hydroxy-3-butenoic acid or alpha-hydroxy methionine analogues from sugars
US-2017334844-A1 · Nov 23, 2017 · US
Catalyst for the gas phase production of carboxylic acids
US-2017313642-A1 · Nov 2, 2017 · US
Process for preparing isocyanates
US-9796669-B2 · Oct 24, 2017 · US
Methods and systems for producing ammonia
US-2017210632-A1 · Jul 27, 2017 · US
Continuous emulsion polymerization reactor and pigging system
US-9714300-B2 · Jul 25, 2017 · US
Process for producing nitrobenzene
US-2017174612-A1 · Jun 22, 2017 · US
Method for preparing methyl mercaptan
US-2017158631-A1 · Jun 8, 2017 · US
Methods for producing chemical products with operation interruptions
US-2017152210-A1 · Jun 1, 2017 · US
Method for preparing dimethyl disulphide
US-2017144966-A1 · May 25, 2017 · US
Process for preparation of di- and polyamines of the diphenylmethane series
US-2017137367-A1 · May 18, 2017 · US
Reaction chamber for a chemical reactor, and chemical reactor constructed therefrom
US-2017136440-A1 · May 18, 2017 · US
Detonation cycle apparatus and method of operating the same
US-2017120216-A1 · May 4, 2017 · US
Process for preparation of di- and polyamines of the diphenylmethane series
US-2017114000-A1 · Apr 27, 2017 · US
Process for preparing isocyanates
US-2017101368-A1 · Apr 13, 2017 · US
Self cleaning reactor system
US-2017101354-A1 · Apr 13, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC B01J2219/00033?
- CPC B01J2219/00033 is the Cooperative Patent Classification code for “Continuous processes.”
- How many patents are filed under CPC B01J2219/00033 (Continuous processes)?
- Our database includes 424 publications tagged with this CPC code.
- Is patent activity under CPC B01J2219/00033 growing?
- Publication counts under this code: 46 in 2024 vs 23 in 2025 (latest complete years).