Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1988-01-25
1989-12-12
Jacobs, Lewis T.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
433224, 522 28, 522 81, 522 96, 522173, 522181, 522183, 523116, 524779, 526304, 526313, 528205, C08F 250, C08G 7900, C08J 328
Patent
active
048868434
ABSTRACT:
The compositions of this invention posses both calcium hydroxide cement characteristics and light cure characteristics and hence strong bonds are likely to form with both the tooth and conventional filling materials. There is less likelihood that a filling may fall out of a cavity.
The present invention provides a two component composition which comprises a first component comprising an ethylenically polymerizable compound which contains both a salicylate group and at least one acrylate, alkacrylate, acrylamide or alkacrylamide group and second component comprising calcium hydroxide or a suitable precursor to calcium hydroxide.
REFERENCES:
patent: 2961426 (1960-11-01), Engelhardt
patent: 3113907 (1963-12-01), Tocker
patent: 3133042 (1964-05-01), Tocker
patent: 3141903 (1964-07-01), Fertig
patent: 3167583 (1965-01-01), Goldberg
patent: 3635889 (1972-01-01), Bowen
patent: 4813876 (1989-03-01), Wang
"Pulp Capping . . . ", Stanley et al; Operative Dentistry, Autumn 1985, vol. 10, No. 4, pp. 156-163.
French Search Report, Application No. 8801383.
Belgium Search Report, Application No. 8800023.
Prosser et al., "An Infra-Red Spectroscopic Study of the Setting Reactions of a Calcium Hydroxide Dental Cement". Journal of Materials Science, 14 (1979), pp. 2894-2900.
Imperial Chemical Industries plc
Jacobs Lewis T.
Koeckert Arthur H.
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