Membrane-based process for butanols production from mixed butenes
US-2020189996-A1 · Jun 18, 2020 · US
by treatment giving rise to a chemical modification of at least one compound (chemisorption C07C29/76)
by treatment giving rise to a chemical modification of at least one compound (chemisorption C07C29/76) · 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 | C07C29/88 |
| Official title | by treatment giving rise to a chemical modification of at least one compound (chemisorption C07C29/76) |
| Display label | by treatment giving rise to a chemical modification of at least one compound (chemisorption C07C29/76) |
| Total patents | 140 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is stable.
| Year | Patents |
|---|---|
| 2015 | 12 |
| 2016 | 17 |
| 2017 | 10 |
| 2018 | 12 |
| 2019 | 8 |
| 2020 | 3 |
| 2021 | 14 |
| 2022 | 5 |
| 2023 | 23 |
| 2024 | 14 |
| 2025 | 17 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Process for purifying an aqueous solution comprising diethylacetal
US-10463987-B2 · Nov 5, 2019 · US
Process for purifying an aqueous solution comprising diethylacetal
US-2019232193-A1 · Aug 1, 2019 · US
System and process for removal of organic carboxylates from mono ethylene glycol (meg) water streams by acidification and vaporation under vacuum
US-2019233356-A1 · Aug 1, 2019 · US
System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporation under vacuum
US-10308578-B2 · Jun 4, 2019 · US
Method of producing alcohol alkoxylates
US-2019135720-A1 · May 9, 2019 · US
Methods and systems for reducing the level of one or more impurities that are present in a pretreated cellulosic material and/or distillate
US-2019134528-A1 · May 9, 2019 · US
System and method for pH control of lean MEG product from MEG regeneration and reclamation packages
US-10232340-B2 · Mar 19, 2019 · US
Methods and systems for reducing the level of one or more impurities that are present in a pretreated cellulosic material and/or distillate
US-10213704-B2 · Feb 26, 2019 · US
Process for removal of sulphur from raw methanol
US-10160706-B2 · Dec 25, 2018 · US
Method for producing 1,4-butanediol
US-10144687-B2 · Dec 4, 2018 · US
Method for reducing metal of sugar-alcohol compound and sugar-alcohol compound
US-10131603-B2 · Nov 20, 2018 · US
System And Process For Removal Of Organic Carboxylates From Mono Ethylene Glycol (MEG) Water Streams By Acidification And Vaporation Under Vacuum
US-2018305282-A1 · Oct 25, 2018 · US
Process for producing polyhydric alcohol
US-10029965-B2 · Jul 24, 2018 · US
System and process for removal of organic carboxylates from mono ethylene glycol (MEG) water streams by acidification and vaporization under vacuum
US-10005708-B2 · Jun 26, 2018 · US
Method for the preparation of 1,4-butane diol having an APHA color index of less than 30
US-9975829-B2 · May 22, 2018 · US
Process for the preparation of 3-heptanol from a mixture containing 2-ehthylhexanal and 3-heptyl formate
US-9926248-B2 · Mar 27, 2018 · US
Method for separation of close-boiling mixture of polyols
US-9926251-B2 · Mar 27, 2018 · US
Butanol Purification
US-2018016215-A1 · Jan 18, 2018 · US
Production of partially refined waste glycerol
US-9868682-B2 · Jan 16, 2018 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC C07C29/88?
- CPC C07C29/88 is the Cooperative Patent Classification code for “by treatment giving rise to a chemical modification of at least one compound (chemisorption C07C29/76).”
- How many patents are filed under CPC C07C29/88 (by treatment giving rise to a chemical modification of at least one compound (chemisorption C07C29/76))?
- Our database includes 140 publications tagged with this CPC code.
- Is patent activity under CPC C07C29/88 growing?
- Publication counts under this code: 14 in 2024 vs 17 in 2025 (latest complete years).