浏览美国专利全文图像文件的插件/控件的下载方法 (2002-03-07)
The Patent Full-Text Database contains hyperlinks from the [Images] button at the top of each full-text document display to the full-page images of each page of each patent in the database. New full-page images are normally available each issue day (Tuesday of each week).

美国专利分类法 (USPC)
【简介】
可在线浏览和检索的美国专利分类法。

国际专利分类 (IPC, International Patent Classification)

The International Patent Classification (IPC), established by the Strasbourg Agreement 1971, provides for a hierarchical system of language independent symbols for the classification of patents and utility models according to the different areas of technology to which they pertain.

What Every Chemist Should Know about Patents (化学家应该了解的专利知识)

This is the 3rd edition of the American Chemical Society Committee on Patents and Related Matters patent primer, "What Every Chemist Should Know about Patents".

Research Disclosure (研究披露)
Our defensive publication service establishes inventions as prior art, preventing others from patenting the same concept.