Chemical Biochemical & Environmental Engineering

Google Patents covers the entire collection of granted patents and published patent applications from the U.S. Patent & Trademark Office (USPTO) and the European Patent Office (EPO). US patent documents date back to 1790, EPO to 1978. NOTE: Patents issued in the past few months may not be included. Use the USPTO patent search or esp@cenet for the most recent patents.

Full text of all US patents issued since January 1, 1976 and full-page images every US patent issued since 1790. Note: Patents issued between 1790 and 1976 are searchable only by patent number and current US classifications. Use patent fetcher to convert tiff files to pdf.

Searchable databases provided by the European Patent Office including: Patent Abstracts of Japan, European Patents (EP), and The World Intellectual Property Organization (WIPO). Includes English translations of patent descriptions.

View description and download or order mail delivery of any of ASTM's 12,000+ standards, covering metals, petroleum, construction, the environment, and more.
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