Composition for topical use having hair stimulating, anti-dandruff and anti-seborrhoic activity
CA 1329136 C · Owner: Gazzani, Giovanni · Inventors: Gazzani, Giovanni
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Depolymerized deoxyribonucleic acid containing weight amounts of purine and pyrimidine bases such that the related molar ratio purines/pyrimidines is comprised within a determined range and having moreover molecular weights limited to a determined range of values of less than 100,000 are endowed with remarkable hair stimulating activity.
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 May 3, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 3, 2011.
- 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.