Report:PatBase/Data Coverage/Patent Coverage/Images
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PatBase provides several types of image to aid the searching process. The first is the representative image, a single drawing from a representative family member that is displayed alongside the family record from within the hit list. As of July 2011, the representative images are more often made to match the master patent number of the family record, and images will be watermarked with the publication they are from. The second is the full document image; PatBase links to the outside site Espacenet to allow users to see the entire document image, although these must be viewed page by page. Finally, PatBase provides “drawings mosaics,” which are multiple patent drawings reduced to fit onto several larger pages; these are the same mosaics as those offered by the free service Espacenet, and appear to be downloaded from Espacenet on-demand via the PatBase interface. According to the PatBase user guide, however, these images have been “re-scanned to provide the highest quality achievable.” It is unclear what is meant by this claim.
In February of 2008 PatBase announced that European Patent Office (EP) and Japanese (JP) full text documents would be enhanced with non-text objects, such as chemical structure drawings or data tables, that appear in-line with the patent text.
A chemicalize tool is also now available (discussed in the Viewing Latin Text Records section) which identifies chemical names in the full text of patent documents and converts them to chemical structures.
More about viewing images is included in the Viewing Patent Drawings section.