3. Use of patents
Patents are a unique source of scientific and technical information. In most cases, what is published as a patent is not published elsewhere. What's more, because of the economic importance of formulations, these are often protected by patents.
The Worldwide database accessible on Espacenet patent search covers most of the world's patents, and is often sufficient for an initial search. Figure 11 shows an extract from the search screen. You can select the database you wish...
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Use of patents