Soft tissue paper
CA 1330382 C · Owner: Ampulski, Robert Stanley · Inventors: Ampulski, Robert Stanley; Spendel, Wolfgang Ulrich
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Tissue paper having a soft silky flannel-like tactile feel throug, incorporation of an effective amount of a chemical additive such as fo, example, a polysiloxane. Preferably less than about 2% of such a chemica, additive on a dry fiber weight basis is incorporated in the tissue paper, more preferably only about 0.3% or less is so retained. Tissue pape embodiments of the present invention may further comprise a quantity o? surfactant material to enhance softness and/or surface smoothness and/o? wettability control; and/or a quantity of a binder a material such as starc? for linting control. For example embodiments which would otherwis? manifest a significant reduction in wettability due to …
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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 June 28, 1994. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended June 28, 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.