21.
    发明专利
    未知

    公开(公告)号:TR199902448T2

    公开(公告)日:2000-01-21

    申请号:TR9902448

    申请日:1998-04-01

    Applicant: CONOCO INC

    Abstract: The present invention provides a process for thermosetting pitch fibers in reduced times, at low concentrations of oxygen and at higher temperatures than previously possible. Additionally, the present invention provides a pitch fiber which has an oxygen diffusion rate to the center of the fiber which is competitive with the rate of oxidation at the fiber's surface. Further, the present invention provides a high density pitch fiber batt which thermosets without loss of fiber structure.

    26.
    发明专利
    未知

    公开(公告)号:FI974433A0

    公开(公告)日:1997-12-05

    申请号:FI974433

    申请日:1997-12-05

    Applicant: CONOCO INC

    Abstract: The present invention provides a blow spinning die particularly suited for spinning solvated pitch into fibers having a random cross-sectional structure. Additionally, the present invention provides a process for blow spinning fibers from solvated pitches. The present invention also provides pitch fibers having a high energy internal molecular structure. Finally, the present invention provides carbon fibers which have a non-radial internal structure.

    27.
    发明专利
    未知

    公开(公告)号:FI974433A

    公开(公告)日:1997-12-05

    申请号:FI974433

    申请日:1997-12-05

    Applicant: CONOCO INC

    Abstract: The present invention provides a blow spinning die particularly suited for spinning solvated pitch into fibers having a random cross-sectional structure. Additionally, the present invention provides a process for blow spinning fibers from solvated pitches. The present invention also provides pitch fibers having a high energy internal molecular structure. Finally, the present invention provides carbon fibers which have a non-radial internal structure.

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