BE873337A - Werkwijze ter bereiding van een optisch anisotrope, deformeerbare pek. - Google Patents
Werkwijze ter bereiding van een optisch anisotrope, deformeerbare pek.Info
- Publication number
- BE873337A BE873337A BE2/57533A BE2057533A BE873337A BE 873337 A BE873337 A BE 873337A BE 2/57533 A BE2/57533 A BE 2/57533A BE 2057533 A BE2057533 A BE 2057533A BE 873337 A BE873337 A BE 873337A
- Authority
- BE
- Belgium
- Prior art keywords
- pitch
- emi
- organic solvent
- solvent system
- fraction
- Prior art date
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F9/00—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments
- D01F9/08—Artificial filaments or the like of other substances; Manufacture thereof; Apparatus specially adapted for the manufacture of carbon filaments of inorganic material
- D01F9/12—Carbon filaments; Apparatus specially adapted for the manufacture thereof
- D01F9/14—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments
- D01F9/145—Carbon filaments; Apparatus specially adapted for the manufacture thereof by decomposition of organic filaments from pitch or distillation residues
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10C—WORKING-UP PITCH, ASPHALT, BITUMEN, TAR; PYROLIGNEOUS ACID
- C10C3/00—Working-up pitch, asphalt, bitumen
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Materials Engineering (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Textile Engineering (AREA)
- Working-Up Tar And Pitch (AREA)
- Inorganic Fibers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/903,172 US4208267A (en) | 1977-07-08 | 1978-05-05 | Forming optically anisotropic pitches |
Publications (1)
Publication Number | Publication Date |
---|---|
BE873337A true BE873337A (nl) | 1979-07-09 |
Family
ID=25417060
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BE2/57533A BE873337A (nl) | 1978-05-05 | 1979-01-08 | Werkwijze ter bereiding van een optisch anisotrope, deformeerbare pek. |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE873337A (es) |
IE (1) | IE48253B1 (es) |
IT (1) | IT1110284B (es) |
MX (1) | MX6338E (es) |
NL (1) | NL7900103A (es) |
ZA (1) | ZA7958B (es) |
-
1979
- 1979-01-05 MX MX797633U patent/MX6338E/es unknown
- 1979-01-05 ZA ZA00790058A patent/ZA7958B/xx unknown
- 1979-01-05 IE IE24/79A patent/IE48253B1/en unknown
- 1979-01-05 IT IT1910879A patent/IT1110284B/it active
- 1979-01-05 NL NL7900103A patent/NL7900103A/xx not_active Application Discontinuation
- 1979-01-08 BE BE2/57533A patent/BE873337A/nl not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1110284B (it) | 1985-12-23 |
MX6338E (es) | 1985-04-23 |
IT7919108A0 (it) | 1979-01-05 |
IE48253B1 (en) | 1984-11-14 |
IE790024L (en) | 1979-11-05 |
NL7900103A (nl) | 1979-11-07 |
ZA7958B (en) | 1979-12-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
RE20 | Patent expired |
Owner name: E.I. DU PONT DE NEMOURS AND CY Effective date: 19990108 |