Compositions – Electrically conductive or emissive compositions
Reexamination Certificate
2001-03-21
2008-08-26
Woodward, Ana L (Department: 1796)
Compositions
Electrically conductive or emissive compositions
C524S515000, C525S240000
Reexamination Certificate
active
07416686
ABSTRACT:
Pipes having a design stress of at least 9.0 MPa are produced by using a new bimodal polyethylene composition of particular properties compounded with carbon black.
REFERENCES:
patent: 5306775 (1994-04-01), Martin et al.
patent: 6329054 (2001-12-01), Rogestedt et al.
patent: 198 49 426 (2000-05-01), None
patent: WO 99/57193 (1999-11-01), None
patent: WO 00/01765 (2000-01-01), None
patent: WO 00/22040 (2000-04-01), None
Äärilä Jari
Bäckman Mats
Borealis Technology Oy
Fay Sharpe LLP
Woodward Ana L
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