Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1992-09-17
1995-01-31
Kight, III, John
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
544296, 544316, 544318, 5483181, 5483185, 5483201, 528 45, 528 73, 525437, 525453, 525523, C08L 7700
Patent
active
053859855
ABSTRACT:
Disclosed is cyclic urea derivatives represented by the following formula (A): ##STR1## wherein n is an integer of 0 or 1; m is an integer of 1 to 15; X is oxygen, sulfur or --NR.sub.1 -- (R.sub.1 is hydrogen or an alkyl group having 1 to 5 carbon atoms); R is an alkyl-, cycloalkyl -, aryl-, aralkyl-, alkaryl- and glycidyl group having 1 to 27 carbon atoms, or an alkyl-, cycloalkyl-, aryl-, aralkyl- and alkaryl group containing at least one ##STR2## O, S and N and having 1 to 27 carbon atoms with a molecular weight of 15 to 500, said groups substituted by glycidyl-, hydroxylic-, nitro groups, halogens, cyano-, formyl- or amino groups, or polyester-, polyether-, polyurethane and polyamide groups having a molecular weight of 500 to 100,000.
REFERENCES:
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Hirotoshi Umemoto
Hiroyuki Sakamoto
Kenshiro Tobinaga
Noriyuki Tsuboniwa
Satoshi Urano
Johnson R.
Kight III John
Nippon Paint Co. Ltd.
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