Polyvinyl alcohol film-forming polymers for alcohol-based sunscreen formulations and methods of using same
US-2025381126-A1 · Dec 18, 2025 · US
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He Qiwei patents
He Qiwei is listed as an inventor on 37 patents in our database. Major assignees and classification codes are summarized below.
| Metric | Value |
|---|---|
| Inventor | He Qiwei |
| Total patents | 37 |
| First publication | Jun 11, 2015 |
| Latest publication | Dec 18, 2025 |
Notable patents
Publications ranked by popularity score, then publication date.
Personal care composition
US-2025332086-A1 · Oct 30, 2025 · US
Polyvinyl alcohol film-forming polymers for alcohol-based hair fixing formulations and methods of using same
US-2025241841-A1 · Jul 31, 2025 · US
Enhanced efficiency of sunscreen compositions
US-12151009-B2 · Nov 26, 2024 · US
Thickened organic liquid compositions with polymeric rheology modifiers
US-11678661-B2 · Jun 20, 2023 · US
Thickened organic liquid compositions with polymeric rheology modifiers
US-2022267493-A1 · Aug 25, 2022 · US
Fuel composition
US-11254885-B2 · Feb 22, 2022 · US
Use of alkanolamine alkylamides as humectants
US-11154477-B2 · Oct 26, 2021 · US
Synergistic effects of alkanolamine alkylamides and other moisturizing agents
US-11154476-B2 · Oct 26, 2021 · US
Lubricant spray polymers
US-11142720-B2 · Oct 12, 2021 · US
Recent patents
Latest publications not already listed above.
Fuel composition
US-11104857-B2 · Aug 31, 2021 · US
Personal care formulations comprising thickened organic liquids
US-2021259944-A1 · Aug 26, 2021 · US
Copolymers of bicyclic (meth)acrylate and alkyl (meth)acrylate and their use as rheology modifiers in fuels
US-11066615-B2 · Jul 20, 2021 · US
Fuel composition
US-2021179957-A1 · Jun 17, 2021 · US
Fuel composition
US-11001775-B2 · May 11, 2021 · US
Copolymers of bicyclic (meth)acrylates and alkyl (meth)acrylates and their use as rheology modifiers in fuels
US-10793656-B2 · Oct 6, 2020 · US
Lubricant spray polymers
US-2020248094-A1 · Aug 6, 2020 · US
Copolymers and uses thereof
US-10472442-B2 · Nov 12, 2019 · US
Lubricant spray polymers
US-2019330553-A1 · Oct 31, 2019 · US
Film forming polymer compositions for boosting spf in sunscreens
US-2019021967-A1 · Jan 24, 2019 · US
Synergistic effects of alkanolamine alkylamides and other moisturizing agents
US-2019021969-A1 · Jan 24, 2019 · US
Use of alkanolamine alkylamides as humectants
US-2019021970-A1 · Jan 24, 2019 · US
Copolymers and uses thereof
US-2019023826-A1 · Jan 24, 2019 · US
Enhanced efficiency of sunscreen compositions
US-2018318193-A1 · Nov 8, 2018 · US
Biopolymer blends as emulsion stabilizers
US-10100178-B2 · Oct 16, 2018 · US
Enhanced efficiency of sunscreen compositions
US-10039700-B2 · Aug 7, 2018 · US
Copolymers of bicyclic (meth)acrylates and alkyl (meth)acrylates and their use as rheology modifiers in fuels
US-2018148529-A1 · May 31, 2018 · US
Fuel composition
US-2018142173-A1 · May 24, 2018 · US
Fuel composition
US-2018127670-A1 · May 10, 2018 · US
Copolymers of bicyclic (meth)acrylate and alkyl (meth)acrylate and their use as rheology modifiers in fuels
US-2018127669-A1 · May 10, 2018 · US
Major assignees
Companies most often associated with this inventor's publications.
| Assignee | Patents |
|---|---|
| Akzo Nobel Chemicals Int Bv | 23 |
| Nouryon Chemicals Int Bv | 13 |
| Shell Oil Co | 6 |
| Bayer Healthcare Llc | 2 |
| Beiersdorf Ag | 1 |
Top CPC classifications
Most common classification codes across this inventor's patents.
| CPC | Patents |
|---|---|
| C10L1/1963 | 12 |
| A61Q17/04 | 11 |
| C08F220/18 | 11 |
| C08F220/1811 | 10 |
| C10L2230/22 | 10 |