ACS provides free online access to the Supporting Information section of their journals. Articles available online in full-text. Full-text of articles published in RSC journals since 1997. Offers the full text for all classes of patents issued by the U.S. Patent and Trademark Office from 1975 to the present, including partial coverage from 1971-1974. Complete patent page images are available for patents issued from January 1, 1994.
Registered users can search the database and display patent titles and abstracts.
Registration is free. Full text and other patent data are available for a fee. Full text of preprints are available. You can search by title, author, year, or abstract number. Database maintained by Brown University and Los Alamos National Laboratory.