D21H 5/207
Polyester fibres
Official title: {polyester fibres}
D21H5/207 (Polyester fibres) appears on 2 US grants and 0 published applications in this corpus.
Search patents in D21H- Granted patents
- 2
- Published applications
- 0
- Assignees
- 1
- Inventors
- 2
- Latest grant
- 15 Dec 1987
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1987 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
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Most cited
By later US patents