Hydrophilic polymers for incorporating deodorants into absorbent structures
CA 1330936 C · Owner: Personal Products Company · Inventors: Dabi, Shmuel
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Abstract There is disclosed the process of incorporating a deodorant powder (of various mechanisms of action) into a hydrophilic swellable, water-insoluble absorbent crosslinked polymer which, swellable polymer is coated on a thin flexible, substrate e.g. a non-woven web a paper tissue, or a water-insensitive film and the resultant flexible structures which contain the deodorant powders, held in a dust-free stable manner and their, use as one or more components of body fluid absorbent structures such as sanitary napkins.
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 July 26, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended July 26, 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.