Inventor
Kequan CHEN
Inventor
CN
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C12Nprimary
C12NMicroorganisms or enzymes25%
C12PFermentation or enzyme-using processes to synthesise a desired chemical compound or composition or to separate optical isomers from a racemic mixture25%
C12YEnzymes25%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry13%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%
PatentTitleYear
12,188,054Modified monooxygenases for the manufacture of hydroxylated hydrocarbons based on substitution of amino acids by alanine202511,674,161Modified monooxygenases for the manufacture of hydroxylated hydrocarbons202311,535,708Preparation method for polyol and application of polyol in making polyurethane2022Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2022Patents assigned to NANJING UNIVERSITY OF TECHNOLOGY (1)· patent assignee history
2022–2025Based in CN· patent location history
2023–2025Patents assigned to COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG (2)· patent assignee history
2025Patents assigned to COVESTRO DEUTSCHLAND AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COVESTRO INTELLECTUAL PROPERTY GMBH & CO KG | 2 | 2023–2025 |
| COVESTRO DEUTSCHLAND AG | 1 | 2025 |
| NANJING UNIVERSITY OF TECHNOLOGY | 1 | 2022 |
Locations
| Location | Patents | Span |
|---|---|---|
| CN | 3 | 2022–2025 |