Porous aromatic polyamide fiber
Patent
US-3695992-A
Inventor
MOULDS GORDON M
Assignee
DU PONT
Country
United States
Dates
- Priority:1969/09/08
- Grant:1972/10/03
Description
This web page summarizes information in PubChem about patent US-3695992-A. This includes chemicals mentioned, as reported by PubChem contributors, as well as other content, such as title, abstract, and International Patent Classification (IPC) codes. To read more about how this page was constructed, please visit the PubChem patents help page.
POROUS FIBERS OF AN AROMATIC POLYAMIDE IN WHICH THE VOID VOLUME FOR PORES HAVING PORE DIAMETERS OF 0.12 MICRON OR LESS IS GREATER THAN 0.03 CC./GM., AND THE VOID VOLUME FOR PORES HAVING PORE DIAMETERS OF MORE THAN 0.12 MICRON IS LESS THAN 0.02 CC./GM. SUCH FIBERS ARE PREPARED BY A PROCESS WHEREIN FRESHLY SPUN FIBERS ARE DRAWN AND EXTRACTED IN ONE OR MORE SOLVENT-CONTAINING AQUEOUS BATHS OF SPECIFIED COMPOSITION AND TEMPERATURE, SUBJECTED TO STEAM WHEN THE DRAWING STEP IS CARRIED OUT AT CERTAIN CONDITIONS, AND ARE THEN DRIED. SUCH FIBERS ARE DYEABLE WITHOUT THE USE OF SUPERATMOSPHERIC PRESSURES OR DYEING ASSISTANTS.
1969/09/08
1970/08/26
1972/10/03
1972/10/03
MOULDS GORDON M
DU PONT
United States
D06P5/22 (inventive)
D01F6/60 (inventive)
D01D5/247 (inventive)
Y10T428/2975
D01D5/247 (inventive)
D06P5/22 (inventive, first)
D01F6/605 (inventive)
Y10T428/298
Y10S521/92
Y10T428/31725
- US-3771949-A (SEA)
- US-4009316-A (SEA)
- US-4180617-A (SEA)
- US-4309476-A (SEA)
- US-4392315-A (SEA)
- EP-0098938-A2 (X) (SEA)
- US-4444911-A (SEA)
- EP-0098938-A3 (X) (SEA)
- US-4552810-A (SEA)
- US-5852087-A (SEA)
- US-6569366-B1 (APP)
- US-2004071254-A1 (PRS)
- Google PatentsLICENSE"Google Patents Research Data" by Google, based on data provided by IFI CLAIMS Patent Services and OntoChem, is licensed under a Creative Commons Attribution 4.0 International License.https://creativecommons.org/licenses/by/4.0/legalcode
- PubChem
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