No. 20284. May 20, 1964. Marcel Mallet-Prevost, Asst. Gen. Counsel, Dominick L. Manoli, Associate Gen. Counsel, Lee M. Modjeska, Atty., Arnold Ordman, Gen. Counsel, Melvin J. Welles, Atty., N.L.R.B., Washington, D.C., for petitioner. Sewall Myer, Houston, Tex., for respondent. William C. Treanor, New York City, Hugh M. Patterson, V.R. Burch, Jr., Houston, Tex., Baker, Botts, Shepherd Coates, Houston, Tex., of counsel, for Union Carbide Chemicals Co., Division of Union Carbide Corp. Before HUTCHESON