Detergent compositions
CA 1075123 A · Owner: Ciba-Geigy Ag · Inventors: Fearnley, Charles; Allan, James; Lee, Frank
Overview
Its claims, description and drawings are in the Canadian Patents Database.
Open the CIPO recordAbstract From the Canadian patent
Detergent Compositions, Abstract of the Disclosure There are provided detergent compositions with improved flow characteristics which contain a highly-dispersed solid waterinsoluble polymeric urea-formaldlehyde condensation product which has been manufacturated in the presence of Sulphamic acid or an ammonium hydrogenate sulphate and has a specific surface of 15 to 30 m2/g. In particular the detergent compositions comprise, (a) 0 to 50% of an non-ionic synthetic surfactant (b) 50 to 80% of a builder, (c) 0 to 25% of an anionic surfactant (d) 0.01 to 2.5% of the highly dispersed polymer with the proviso that at least 5% of either a non-ionic or an anionic surfactant is present in the …
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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 April 8, 1980. A Canadian patent filed before October 1, 1989 lasted 17 years from grant, so its term ended April 8, 1997.
- 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.