Production plant for producing a chemical product by reacting H-functional reactants with phosgene, and method for operating same with an interruption to production
US-11365172-B2 · Jun 21, 2022 · US
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Manzel Dirk patents
Manzel Dirk is listed as an inventor on 14 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Manzel Dirk |
| Total patents | 14 |
| First publication | Nov 24, 2016 |
| Latest publication | Jun 21, 2022 |
Notable patents
Publications ranked by popularity score, then publication date.
Method for cleaning phosgene conducting apparatus
US-11213867-B2 · Jan 4, 2022 · US
Production plant for producing a chemical product by reacting h-functional reactants with phosgene, and method for operating same
US-2021147346-A1 · May 20, 2021 · US
Method for producing methylene-diphenylene-diisocyanates and polymethylene-polyphenylene-polyisocyanates
US-10947187-B2 · Mar 16, 2021 · US
Method for producing methylene-diphenylene-diisocyanates and polymethylene-polyphenylene-polyisocyanates
US-2020331848-A1 · Oct 22, 2020 · US
Method for cleaning phosgene conducting apparatus
US-2020246845-A1 · Aug 6, 2020 · US
Method for producing isocyanates
US-10577311-B2 · Mar 3, 2020 · US
Method for producing isocyanates
US-10364214-B1 · Jul 30, 2019 · US
Method for producing isocyanates
US-2019210961-A1 · Jul 11, 2019 · US
Method for producing isocyanates
US-10280135-B2 · May 7, 2019 · US
Recent patents
Latest publications not already listed above.
Method for producing isocyanates
US-2018290968-A1 · Oct 11, 2018 · US
Method for producing isocyanates
US-2018265457-A1 · Sep 20, 2018 · US
Method for starting up and shutting down a phosgene generator
US-9815703-B2 · Nov 14, 2017 · US
Method for starting up and shutting down a phosgene generator
US-2016340196-A1 · Nov 24, 2016 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Covestro Deutschland Ag | 12 |
| Covestro Intellectual Property Gmbh & Co Kg | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C07C263/10 | 14 |
| C07C263/20 | 8 |
| C07C265/14 | 5 |
| C01B32/80 | 4 |
| B01J2219/00225 | 4 |