Two phase cleansing, conditioning and medicinal treatment shampoo
CA 1333691 C · Owner: Lange, Bouke Jan · Inventors: Lange, Bouke Jan
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Two phase shampoo allowing sequential application of noncompatible substances/conditions. Two phase shampoo especial-, ly for controlling dandruff wherein the first phase consists of, a detergent composition together with possible adjuvants, having a neutral or alkaline pH and the second phase separated from the, first phase, comprises a physiologically acceptable acid component of mixture of such components, which phase is applied immediately after the treatment of the hair and the skin of the head with the first phase. Both phases may contain an antimycotic. The invention also comprises a process for treating the hair and the skin of the head in two phases, using a package wherein both …
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 December 27, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended December 27, 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.