Patents
Description: Official documents securing to an inventor for a term of years the exclusive right to make, use or sell his invention.A - F|G - M|N - R|S - Z|#
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United States Patent and Trademark Office
Access to issued patents' full-text (since 1976) and full-page image (since 1790) databases. - Canadian Patents Database
Coverage: Full text, Aug. 15, 1978-Present; Images and citations, 1920-PresentSeach Canadian patents - Chemical abstracts (see SciFinder web)
Provides access to several Chemical Abstracts Service databases, including Chemical Abstracts, Registry, CASREACT, CHEMLIST, and CHEMCAT. Search by topic, author, CAS Registry Numbers, patent number, CAS abstract number, chemical name, chemical structure, and formula. ... [] - espacenet
Maintained by the European Patent Office, esp@cenet® holds data on 50 million patents from 71 countries worldwide as of Feb. 2005. Esp@cenet also provides full-text searching of US patents from 1920 - present. ... [] - Japan Patent Office - Industrial Property Digital Library (IPDL)
Public access to IP Gazettes of the JPO, including patents, applications and specifications. - Patent information on the Internet
A list of patent websites compiled by the European Patent Office. - SciFinder web
Coverage: 1907-Provides access to several Chemical Abstracts Service databases, including Chemical Abstracts, Registry, CASREACT, CHEMLIST, and CHEMCAT. Search by topic, author, CAS Registry Numbers, patent number, CAS abstract number, chemical name, chemical structure, and formula. Usage info: Licensed for six simultaneous users. ... [] - United States Patent and Trademark Office
Access to issued patents' full-text (since 1976) and full-page image (since 1790) databases.
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