Quick stain for acid-fast bacilli
CA 1317862 C · Owner: Reuben, Jayakumar · Inventors: Reuben, Jayakumar
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
P-1179, Abstract, A staining system for acid-fast bacilli which includes a primary stain and a secondary stain which have been used at an ambient temperatures. The primary stain includes basic fuchsin, ethyl alcohol isopropyl alcohol, phenol and water. The secondary stain includes methylene blue, ethyl alcohol potassium hydroxide, glycerol, glacial acetic acid polyvinylpyrrolidone and water.
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 18, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 18, 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.