Biocidal compositions and use thereof
CA 1299966 C · Owner: Betz Laboratories, Inc. · Inventors: Whitekettle, Wilson K.; Donofrio, Deborah K.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Bactericidal composition and method for inhibiting and controlling the growth of the capsulated, facultative bacterium Klebsi-, ella pneumoniae, are disclosed. The composition comprises an amount effective for the intended purpose, of 2-bromo-2-nitropropane-1,3diol (BNPD) and "Belclene 350." The active biocidal component of the "Belclene 350" product is tri n-butyl tetradecyl phosphonium chloride. The method comprises administering between about 0.1 to about 200 parts of this composition (i.e. BNPD and "Belclene 350" product) (based on one million parts of the desired aqueous system) to the particular water containing system for which treatment is desired.
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 5, 1992. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended May 5, 2009.
- 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.