Carboxylic acid modified-nitrile based copolymer latex
US12173092B2 · kind B2 · utility
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10Claims
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Key dates
| Filing date | Feb 8, 2021 |
| Grant date | Dec 24, 2024 |
| Priority date | — |
| Expiry date | Oct 4, 2042 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08L2201/52
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
The present technology provides a carboxylic acid-modified nitrile-based copolymer latex including a carboxylic acid-modified nitrile-based copolymer including a conjugated diene-based monomer-derived unit, an ethylenic unsaturated nitrile-based monomer-derived unit, and an ethylenic unsaturated acid monomer-derived unit, wherein a pKa is 9.5 to 10.2, and the carboxylic acid-modified nitrile-based copolymer latex satisfies General Formulas 1 and 2.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.