Process for treatment of metal surfaces

Details Process for treatment of metal surfaces Process for treatment of metal surfaces

2011-03-08

2011-03-08

Johnson, Edward M (Department: 1736)

Chemistry: physical processes

Physical processes

Crystallization

C148S287000

Reexamination Certificate

active

07901467

ABSTRACT:
A process for treating the working surfaces of equipment used in the production and processing of polycarbonate is disclosed. The thermal treatment in an oxidative atmosphere results in resin and molded articles having improved optical quality.

REFERENCES:
patent: 4518440 (1985-05-01), Phillips, Jr.
patent: 5087660 (1992-02-01), Kunishi
patent: 6485607 (2002-11-01), Elsner et al.
patent: 6534619 (2003-03-01), Elsner et al.
patent: 6545122 (2003-04-01), Elsner et al.
patent: 1 156 071 (2004-08-01), None
patent: 1 222 231 (2005-01-01), None
patent: 1 607 202 (2005-12-01), None
patent: 4-161210 (1992-06-01), None
patent: 7-171873 (1995-07-01), None
patent: 2002-126425 (2002-05-01), None
patent: 2003-48975 (2003-02-01), None
patent: 2003048975 (2003-02-01), None
Surface and Interface Analysis, 36(3), (month unavailable) 2004, J.E. Castle and K. Asami, p. 220-224, “A more general method for ranking the enrichment of alloying element in passivation films”.
Materials Science Forum vols. 185-188, (month unavailable) 1995, S. Virtanen and H. Böhni, p. 965-974, “On the stability of passive films on stainless steels”.

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