Preparation method of polyurethane foam
US-11920017-B2 · Mar 5, 2024 · US
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Ouyang Pingkai patents
Ouyang Pingkai is listed as an inventor on 29 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | Ouyang Pingkai |
| Total patents | 29 |
| First publication | Feb 3, 2015 |
| Latest publication | Mar 5, 2024 |
Notable patents
Publications ranked by popularity score, then publication date.
Preparation method of flexible polyurethane foam
US-11912814-B2 · Feb 27, 2024 · US
Application of lignin in preparing radial tire
US-11814516-B2 · Nov 14, 2023 · US
Modified lignin reinforced rubber and preparation method therefor
US-2023135725-A1 · May 4, 2023 · US
Preparation method for polyol and application of polyol in making polyurethane
US-11535708-B2 · Dec 27, 2022 · US
Polyols for preparing flexible polyurethane foam, and preparation method and application thereof
US-11214584-B2 · Jan 4, 2022 · US
Application of lignin in preparing radial tire
US-2021332222-A1 · Oct 28, 2021 · US
Recombinant corynebacterium glutamicum for producing lysine by biofilm continuous fermentation and construction method thereof
US-11118171-B2 · Sep 14, 2021 · US
Method for producing lysine by utilizing adsorption and immobilized fermentation of recombinant corynebacterium glutamicum
US-11098331-B2 · Aug 24, 2021 · US
Preparation method of polyurethane foam
US-2021230390-A1 · Jul 29, 2021 · US
Recent patents
Latest publications not already listed above.
Preparation method of flexible polyurethane foam
US-2021230350-A1 · Jul 29, 2021 · US
Recombinant corynebacterium glutamicum for producing lysine by biofilm continuous fermentation and construction method thereof
US-2021155917-A1 · May 27, 2021 · US
Method for producing lysine by utilizing adsorption and immobilized fermentation of recombinant corynebacterium glutamicum
US-2021147887-A1 · May 20, 2021 · US
Polyols for preparing flexible polyurethane foam, and Preparation Method and Application Thereof
US-2021087211-A1 · Mar 25, 2021 · US
Polyurethane polyol and preparation method and application thereof
US-2020377656-A1 · Dec 3, 2020 · US
Vegetable Oil Polyol for Flexible Polyurethane Foam and Preparation Method and Application Thereof
US-2019119493-A1 · Apr 25, 2019 · US
Totally bio-based vegetable oil polyol and preparation method and use thereof
US-2019119496-A1 · Apr 25, 2019 · US
Polyurethane Polyol, and Preparation Method and Application Thereof
US-2019112475-A1 · Apr 18, 2019 · US
Vegetable oil polyol and the preparation method and the application thereof
US-10259771-B2 · Apr 16, 2019 · US
A vegetable oil polyol and the preparation method and the application thereof
US-2018222841-A1 · Aug 9, 2018 · US
E-polylysine hydrogel and preparation method and application thereof
US-9833539-B2 · Dec 5, 2017 · US
Method for preparing caprolactam by using a microreactor under lewis acid catalysis
US-9624176-B2 · Apr 18, 2017 · US
Method for preparing high-quality epoxidized fatty acid ester with micro-reaction device
US-9546143-B2 · Jan 17, 2017 · US
E-polylysine hydrogel and preparation method and application thereof
US-2017000924-A1 · Jan 5, 2017 · US
Method for synthesizing 2,7-dimethyl-2,4,6-octatriene-1,8-dialdehyde
US-9187394-B2 · Nov 17, 2015 · US
Ring-opening polymerization of cyclic compounds catalyzed by carbene derivatives
US-9040653-B2 · May 26, 2015 · US
Method of making polylactic acid using carbene derivatives as the catalyst
US-9029497-B2 · May 12, 2015 · US
Preparation method of lycopene intermediate 3-methyl-4,4-dialkoxy-1-butaldehyde
US-8993810-B2 · Mar 31, 2015 · US
Fructosylated mangiferin and preparation method therefor and use thereof
US-8946407-B2 · Feb 3, 2015 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Nanjing University Of Technology | 29 |
| Nanjing Tech Univ (Cn) | 3 |
| Ouyang Pingkai | 3 |
| Zhejiang Med Xinchang Pharm | 2 |
| Li Zhenjiang | 2 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C08G2101/00 | 9 |
| B01J19/0093 | 9 |
| C08G18/36 | 8 |
| B01J2219/00889 | 8 |
| B01J2219/00984 | 8 |