Patents

[11]. Fabrication process of betel leaf extract-loaded polyvinyl alcohol/chitosan nanofibers via electrospinning method

Le Anh Kien, Le Thi Kim Phung, and Do Nguyen Hoang Nga

Viet Nam patent, application registration no. VN2202500545, application date: 2025/07/11.

[10]. Fabrication of thermosensitive chitosan hydrogels reinforced with polyvinyl alcohol for delivery of betel leaf extract

Ha Cam Anh and Do Nguyen Hoang Nga

Viet Nam patent, application registration no. VN2202400804, application date: 2024/12/04.

[9]. Method for producing cellulose and cellulose nanocrystals from coconut pith and coconut fibers

Le Thi Kim Phung, Tran Tan Viet, Do Nguyen Hoang Nga, and Trinh Mai Hoang Anh

Viet Nam patent, application registration no. VN2202400135, application date: 2024/03/05.

[8]. Method for producing cellulose and cellulose nanocrystals from pineapple leaves

Le Thi Kim Phung, Pham Dang Co, Tran Tan Viet, and Do Nguyen Hoang Nga

Viet Nam patent, application registration no. VN2202400134, application date: 2024/03/05.

[7]. Fabrication of betel leaf extract-loaded nanochitosan with antimicrobial activity for postharvest preservation of strawberries

Le Thi Kim Phung, Tran Thanh Viet, Do Nguyen Hoang Nga, Cao Minh Hieu, and Nguyen Chi Ha

Viet Nam patent, application registration no. VN2202400030, application date: 2024/01/12.

[6]. Fabrication of aerogels from coconut pith-derived carbon particles using chitosan as a crosslinker

Le Thi Kim Phung, Do Nguyen Hoang Nga, Nguyen Tan Luon, Nguyen Thi Anh Huy, and Nguyen Hoang Oanh

Viet Nam patent, application registration no. VN2202300590, application date: 2023/10/29.

[5]. Fabrication of nanocellulose aerogels from coconut pith and coconut fibers using chitosan as a crosslinker

Le Thi Kim Phung, Do Nguyen Hoang Nga, Nguyen Thi Anh Huy, Trinh Mai Hoang Anh, and Le Phu Thinh

Viet Nam patent, application registration no. VN2202300589, application date: 2023/10/29.

[4]. Fabrication of zinc ion-loaded nanochitosan with antibacterial and anti-fungal activities

Le Thi Kim Phung, Do Nguyen Hoang Nga and Tran Thanh Viet

Viet Nam patent, application registration no. VN2202200594, application date: 2022/12/29.

[3]. Fabrication of flame-retardant silica aerogel composites using rice husk ash and recycled polyethylene terephthalate fibers

Le Thi Kim Phung and Do Nguyen Hoang Nga

Viet Nam patent, application registration no. VN2202100186, application date: 2021/05/07, registration date: 2025/06/14. PDF

[2]. Synthesis process of cellulose aerogel composites from pineapple leaf fibers and cotton waste

Le Thi Kim Phung and Do Nguyen Hoang Nga

Viet Nam patent, application registration no. VN2202000402, application date: 2020/08/20, registration date: 2024/08/07. PDF

[1]. Synthesis process of aerogel composites from fly ash and recycled polyethylene terephthalate fibers

Le Thi Kim Phung and Do Nguyen Hoang Nga

Viet Nam patent, application registration no. VN1202005696, application date: 2020/10/06, registration date: 2023/07/20. PDF