Tetrapyrrole polyaminomonocarboxylic acid therapeutic agents
CA 1314042 C · Owner: Nippon Petrochemicals Co. Ltd. · Inventors: Burnham, Bruce F.; Bommer, Jerry C.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
This invention relates to new fluorescent mono, di- or polyamide of an aminomonocarboxylic acid and a tetrapyrrole containing at least three carboxy groups of the structure:, wherein Z is the amino acid residue and X is the tetrapyrrole residue and "n" is an integer from 1 to 4 inclusive.
Read the whole patent
Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted March 2, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended March 2, 2010.
- We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
Timeline
Timeline From CIPO dates
Sources & verification
Official CIPO records
Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.