Fire resistant spun yarn, fabric, garment and fire resistant workwear
US12398494B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 11, 2021 |
| Grant date | Aug 26, 2025 |
| Priority date | — |
| Expiry date | Nov 28, 2043 |
Classification
- Technology area (CPC D)Textiles; Paper
- CPC primaryD02G3/443
- WIPO fieldTextile and paper machines
- WIPO sectorMechanical engineering
Abstract
Provided is a fire resistant yarn, the yarn comprises, based on the total weight of yarn, 4-20% by weight of modified polyphenylene sulfide fiber, and 35-90% by weight of modified acrylic fiber, wherein the modified polyphenylene sulfide is a polyphenylene sulfide which is at least partially sulphonylated, sulfoxidated, or a combination thereof. Provided further is a fire resistant fabric, the fabric comprises, based on the total weight of the fabric, 4-20% by weight of modified polyphenylene sulfide fiber, and 35-90% by weight of modified acrylic fiber, wherein the modified polyphenylene sulfide is a polyphenylene sulfide which is at least partially sulphonylated, sulfoxidated, or a combination thereof. Provided further is a garment and a fire resistant workwear comprising the fire resistant fabric according to the present disclosure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.