Method and system for producing fluororesin molded article
US12311417B2 · kind B2 · utility
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4Claims
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Key dates
| Filing date | Nov 26, 2019 |
| Grant date | May 27, 2025 |
| Priority date | — |
| Expiry date | Nov 26, 2039 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB08B2240/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
A method for producing a tube for a chemical solution pipe composed of a cleaned fluororesin molded article, the method including cleaning a tube-shaped fluororesin molded article with a chemical solution; and cleaning the tube-shaped fluororesin molded article with water. The cleaning with water is performed after the cleaning with a chemical solution, and the chemical solution is an alcohol or an aqueous alcohol solution.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.