Method for producing low-cost fully biodegradable disposable straw
US12187898B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Oct 21, 2021 |
| Grant date | Jan 7, 2025 |
| Priority date | — |
| Expiry date | Jul 3, 2043 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/06
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
A method for producing a low-cost fully biodegradable disposable straw. Natural plant powder is prepared. Deacetylated konjac gel is prepared. The taro starch-cassava starch is crosslinked. The raw material is stirred and mixed to obtain the mixed raw material, and the mixed raw material is heated. The heated raw material is added to the beverage straw manufacturing unit to obtain a straw crude. The straw crude is cut to obtain several straws. The quality inspection, the disinfection and the packaging of the straw are carried out, and the fully biodegradable straw is obtained, finally.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.