Patent Public Search (USPTO)

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Patent databases of the US Patent and Trademark Office: US patent writings in full text since 1976, and Full Page Images are available for the period from 1790. Patent applications in full text since March 15, 2001.
Please note: Patents from the years 1790 to 1975 can only be searched via the patent number, output date and current U.S. classification. Search over other fields lead to an error message.

Freely available

Formal type Online

freely available

Access Type
Access link	https://ppubs.uspto.gov/pubwebapp/static/pages/landing.html

If you have any questions about the database or licensing, please contact ebib@ulb.uni-bonn.de

Resource id

2011

Subjects

General Science

Database types

Full Text Database

Keywords

Chemistry patent USA United States Patent and Trademark Office

Notes

Not specified

Instructions

Not specified

Further information

Alternative titles	USPTO Patent Full-Text and Full-Page Image Databas... Patents
Countries	USA

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