Chemistry of carbon compounds – Miscellaneous organic carbon compounds
Patent
1979-06-11
1980-12-30
Woodberry, Edward M.
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
106 385D, C08L 512
Patent
active
042422396
ABSTRACT:
A heavy bodied reversible hydrocolloid dental impression material is disclosed. This material comprises agar-agar as the main component in which there is added a small amount of locust bean gum, potassium or zinc sulfate, a borate and nonionic poly(ethyleneoxide)homopolymer. This dental impression material is effective, for example, for bonding to an alginate material.
REFERENCES:
patent: 2021058 (1935-11-01), Harrison
patent: 2089552 (1937-08-01), Harrison
patent: 2234383 (1941-03-01), Preble
patent: 2422497 (1947-06-01), Noyes
patent: 2526043 (1950-10-01), Parr et al.
patent: 4060421 (1977-11-01), Yoshikawa
Kessler Henry A.
McEvoy Richard A.
Graddis Albert H.
Raines Stephen
Warner-Lambert
Woodberry Edward M.
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