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