Patent · US Active

Degradable article

US11180300B2 · kind B2 · utility

0Cited by
3References
17Claims
0Family size

Inventor

Key dates

Filing dateNov 15, 2019
Grant dateNov 23, 2021
Priority date—
Expiry dateJul 27, 2040

Classification

  • Technology area (CPC B)Performing Operations; Transporting
  • CPC primaryB65D3/22
  • WIPO fieldHandling
  • WIPO sectorMechanical engineering

Abstract

Degradable water- and oil-resistant article is made of chitin and contains water-activated chitin-degrading enzyme or enzymes. Initially supplied in an inactive lyophilized (dry) form, the enzyme or enzymes upon exposure to water present in ambient environment degrade chitin-based article to chitosan, a benign compound. Several article embodiments presented, some with water ingress retardant features.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.