TY - BOOK AU - Maynard,John T. AU - Peters,Howard M. TI - Understanding chemical patents: a guide for the inventor SN - 0841219974 (alk. paper) AV - T211 .M39 1991 U1 - 660/.0272 20 PY - 1991/// CY - Washington, DC PB - American Chemical Society KW - Patents KW - Local KW - Chemistry N1 - Includes bibliographical references (p. [163]) and index ER -