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1. Espacenet [2000 - ]

Database topics
Chemistry and Chemical Engineering; Computer Science; Engineering; Science (General)
Book
1 online resource : HTML
Espacenet's worldwide database enables you to search for information about published patent applications from over 90 different countries and regions. Espacenet offers free access to more than 70 million patent documents worldwide--most of them patent applications rather than granted patents--from 1836 today. Patent applications normally represent the first publication of a new idea, appearing ahead of journal articles and before new products reach the market. Other information includes: patent family information, telling you if similar patents have been claimed in other countries; legal status information, helping you find out whether and in what countries a patent is in force; references to other kinds of technical literature (non-patent literature); citing documents (other documents that have cited the document you are looking at); and links to the European Patent Register for European and Euro-PCT documents. It is possible to print and download documents.
Database topics
Art, Architecture and Design; Engineering
Material Connexion is a unique and comprehensive resource currently comprised of more than 4,500 materials and processes, and growing at a rate of more than 30 materials per month. The information, including high-quality photographs, and company/vendor contact information is also placed into our digital database that can be accessed online. This not only provides access for those without convenient access to a physical iteration of the Material Connexion library, but it also provides all users with the ability to search all of the materials by keyword, material type, manufacturer name, and manufacturer location. The eight material processes include: polymers; cement-based materials; glass; metals; ceramics; natural materials; carbon-based materials; processes.