Understanding chemical patents :
Maynard, John T., 1919-1977.
Understanding chemical patents : a guide for the inventor / John T. Maynard, Howard M. Peters. - 2nd ed. - Washington : American Chemical Society, 1991. - xvi, 183 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0841219974 0841219982
Patents.
Chemistry--Patents.
346.730486 / MAY
Understanding chemical patents : a guide for the inventor / John T. Maynard, Howard M. Peters. - 2nd ed. - Washington : American Chemical Society, 1991. - xvi, 183 p. : ill. ; 24 cm.
Includes bibliographical references and index.
0841219974 0841219982
Patents.
Chemistry--Patents.
346.730486 / MAY