Dear Martin,
Thank you for your very clear and concise answer. It helps me out.
Search found 2 matches
- Tue Dec 04, 2018 2:02 pm
- Forum: PATSTAT Product Line
- Topic: IPC classes and the technology field description
- Replies: 2
- Views: 3137
- Thu Nov 29, 2018 3:36 pm
- Forum: PATSTAT Product Line
- Topic: IPC classes and the technology field description
- Replies: 2
- Views: 3137
IPC classes and the technology field description
Dear sir, madam, I have a number of patents downloaded from PATSTAT (edition 2018B), for which I retrieved the IPC classes (4 digits level). As these codes are not telling much, I would like to link each code to its description. Using the table TLS901_TECHN_FIELD_IPC, I can for instance link the IPC...