AM. EMPLOYERS' INS. v. ELF ATOCHEM

AMERICAN EMPLOYERS' INSURANCE COMPANY AND COMMERCIAL UNION INSURANCE COMPANY (AS SUCCESSOR TO CERTAIN OBLIGATIONS OF EMPLOYERS' SURPLUS LINES INSURANCE COMPANY AND EMPLOYERS' LIABILITY ASSURANCE CORPORATION, LTD.), PLAINTIFFS-APPELLANTS, v. ELF ATOCHEM NORTH AMERICA, INC., PENNWALT CORPORATION AND ITS SUCCESSORS AND ASSIGNS, DEFENDANTS-RESPONDENTS, AND THE TRAVELERS INDEMNITY COMPANY, INTERNATIONAL INSURANCE COMPANY, NORTH RIVER INSURANCE COMPANY, CERTAIN UNDERWRITERS AT LLOYD'S LONDON AND CERTAIN COMPANIES IN THE LONDON INSURANCE MARKET, DEFENDANTS-APPELLANTS, AND THE AETNA CASUALTY AND SURETY COMPANY, ALLIANZ UNDERWRITERS INSURANCE COMPANY, ALLSTATE INSURANCE COMPANY, AS SUCCESSOR TO NORTHBROOK EXCESS AND SURPLUS INSURANCE COMPANY, FORMERLY NORTHBROOK INSURANCE COMPANY, AMERICAN HOME ASSURANCE COMPANY, CALIFORNIA UNION INSURANCE COMPANY, CONTINENTAL CASUALTY COMPANY, THE CONTINENTAL INSURANCE COMPANY, EMPLOYERS INSURANCE OF WAUSAU, A MUTUAL COMPANY, FEDERAL INSURANCE COMPANY, FIREMAN'S FUND INSURANCE COMPANY, FIRST STATE INSURANCE COMPANY, GRANITE STATE INSURANCE COMPANY, GREAT AMERICAN INSURANCE COMPANY, THE HOME INSURANCE COMPANY, INSURANCE COMPANY OF NORTH AMERICA, INSURANCE COMPANY OF THE STATE OF PENNSYLVANIA, THE NEW JERSEY PROPERTY-LIABILITY INSURANCE GUARANTY ASSOCIATION, NORTH STAR REINSURANCE CORPORATION, ZURICH INSURANCE COMPANY, AND JOHN DOES ONE THROUGH TWO HUNDRED, DEFENDANTS.