Non-adhesive bubble gum base composition
CA 1162095 A · Owner: Warner-Lambert Company · Inventors: Glass, Michael; Koch, Edwin R.
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
A non-adhesive bubble gum base composition includes a high molecular weight vinyl polymer such as polyvinyl acetate or polyvinyl alcohol, together with an emulsifier in com-, bination with ingredients such as an elastomer an oleaginous, plasticizer, an elastomer solvent mineral adjuvants, fatty, acids, and others. The emulsifier is preferably present in an amount with respect to the non-toxic vinyl polymer ranging from about 5 to 75% by weight. A method for the preparation of the bubble gum base composition is also disclosed which comprises preparing a homogeneous premixture of the non-toxic vinyl polymer and the emulsifier prior to combining non-toxic vinyl polymer with the remainder of …
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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 February 14, 1984. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended February 14, 2001.
- 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.