Chemistry: natural resins or derivatives; peptides or proteins; – Natural resins or derivatives – Plant sap or fossil starting material used in process – or...
Patent
1996-02-23
1997-04-22
Szekely, Peter A.
Chemistry: natural resins or derivatives; peptides or proteins;
Natural resins or derivatives
Plant sap or fossil starting material used in process, or...
106222, 106227, 106228, C08L 9304, C09D 506, C09D19304
Patent
active
056230486
ABSTRACT:
Amber-based drying oil varnish of improved clarity, colorless and transparency characteristics is provided by a process in which coarsely comminuted amber particles are first heated in drying oil until the amber particles soften, swell and rise to the surface of the heated drying oil, the hot amber particles are strained from the hot drying oil which has become discolored and is discarded, the hot strained amber particles are then finely comminuted to a powder in a small amount of hot drying oil and thereafter, after the addition of additional hot drying oil to the finely comminuted amber powder, the resulting admixture is heated to a temperature at which the amber powder melts and fuses into the heated drying oil to form an essentially homogeneous varnish solution.
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Translated Extract from Pictoria, Sculptoria, Tinctoria, et qua Subalternarum Artium, by Sir Theodore Turquet de Mayerne, British Museum, Sloane Manuscript Document No. 2052 (1620).
Extract of Charles Reade Letters published in Pall Mall Gazette (1872).
Extract re Simon Martin's 1744 Patent originally published in Materials For History of Oil Painting by Sir Charles Lock Eastlake, 2 pages (1847).
Original Treatises on the Arts of Painting by Mary P. Merrifield, pp. cclxxii to cclxxv, Dover Pub. 1967.
The Painter and Varnisher's Guide, P.F. Tingry, pp. 26-35, 164-171, 196-209 (1804).
The Book of Amber, Dr. George C. Williamson, pp. 230-235, Ernest Benn Limited, London (1932).
Methods and Material of Painting of the Great Schools and Masters by Sir Charles Lock Eastlake, vol. One, pp. 274-319, 442-445, and 534-535; vol. Two, pp. 26-29, 34-37, 50-53, 219-273, and 290-297, Dover Publications (1960).
Rauchfuss, Jr. George W.
Szekely Peter A.
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