C - Chemistry – Metallurgy – 08 – B
Patent
C - Chemistry, Metallurgy
08
B
260/221
C08B 31/00 (2006.01) A23L 1/09 (2006.01) C08B 30/12 (2006.01) C08B 31/02 (2006.01) C08B 31/08 (2006.01)
Patent
CA 1295997
Abstract of the Disclosure Cold water soluble etherified or esterified starch derivatives having a 20 rpm Brookfield viscosity of less than 15,000 cps when tested in the form of a 10 weight percent starch solids aqueous solution at 25°C and which forms a transparent film when dried from aqueous solution can be prepared by first preparing a non-crosslinked granular etherified or esterified starch derivative, washing said starch derivative to remove salt by-products therefrom and thereafter solubilizing said starch derivative and thinning same to the desired viscosity level. The resulting starch derivative products are particularly suitable for use in wall covering adhesive formulations and as protective colloids in emulsion polymerization processes.
568236
Osler Hoskin & Harcourt Llp
Staley Continental Inc.
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