Method for producing antioxidant and method for producing elastic polyurethane fiber
US10975240B2 · kind B2 · utility
0Cited by
1References
6Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 10, 2017 |
| Grant date | Apr 13, 2021 |
| Priority date | — |
| Expiry date | Oct 10, 2037 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD10B2509/026
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The antioxidant according to the present invention contains a polyurethane compound represented by the following formula (1):
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.