 NEW ORLEANS--BUSINESS WIRE--Former Attorney General of Louisiana Charles C. Foti, Jr., Esq. and the law firm of Kahn Swick Foti, LLC KSF are investigating the proposed sale of Lydall, Inc. NYSE: LDL to Unifrax. Under the terms of the proposed transaction, shareholders of Lydall will receive 62.10 in cash for each share of Lydall that they own. KSF is seeking to determine whether this consideration and the process that led to it are adequate, or whether the consideration undervalu 