Chemistry of carbon compounds – Dipeptides – e.g. – aspartame – anserine – carnosine – etc.
Patent
1978-09-05
1980-05-27
Sutto, Anton H.
Chemistry of carbon compounds
Dipeptides, e.g., aspartame, anserine, carnosine, etc.
260928, 521 85, C07F 909
Patent
active
042050227
ABSTRACT:
A compound of the formula ##STR1## wherein a, b, c, d, and n are integers; a is from 1 to 3; b and c are independently selected from the group consisting of 0 and 1; d and n are independently selected from the group consisting of 1 and 2; R.sup.1 and R.sup.4 are independently selected from the group consisting of hydrogen, alkyl of 1 to 4 carbon atoms and haloalkyl of 1 to 4 carbon atoms and 1 to 2 halogen atoms; and R.sup.2 and R.sup.3 are independently selected from the group consisting of haloalkyl containing 1 to about 4 carbon atoms and 1 to about 2 halogen atoms selected from the group consisting of chlorine, bromine, and mixtures thereof.
The use of this compound with specified amounts of a certain methylated methylol melamine and water allows one to produce an intumescent composition which is substantially superior to prior art intumescent compositions.
REFERENCES:
patent: 2472335 (1949-06-01), McLean et al.
patent: 2583549 (1952-01-01), Daul et al.
patent: 3784592 (1974-01-01), Leonard
patent: 4133846 (1979-01-01), Albright
Nicholson Richard R.
Shukla Jayendra G.
Smith Ray E.
Olesch Dietmar
Schwarz Robert J.
Sutto Anton H.
Velsicol Chemical Corporation
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