Multi-laminate fragrance release device
CA 1322952 C · Owner: Pfister, William R. · Inventors: Disapio, Alfred J.; Pfister, William R.; Sheeran, Mary Ann
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A multi-layered multi-laminate sustained release device capable of releasing fragrances colognes and, perfumes, at a controlled rate for a prolonged period of time and having a first layer of a pressure sensitive adhesive release liner for providing a protective peel strip for the device, a second layer of a silicone pressure sensitive adhesive for adhering the device to a substrate to which it is applied including human skin, a third layer of a fragrance oil impregnated matrix of a silicone material selected from the group consisting of silicone elastomers silicone, elastomers having adhesive characteristics and elastomeric silicone pressure sensitive adhesives and a fourth layer of a …
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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 October 12, 1993. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended October 12, 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.