US3847768A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation-curable coating composition
Assignee: Kansai Paint Co Ltd
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Filing: 1971-06-04
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Granted: 1974-11-12
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Expires: 1991-06-04
Abstract
Abstract A coating composition characterized in that an ordinary coating composition which can be cured by applying ionizing radiation, is mixed with at least one compound having the general formula:
Inventors
- 👤 T Maruyama
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 13:48
CPC Classifications
C; C09; C09D; C09D163/00; C09D163/10; C08; C08F; C08F283/00; C08F283/01; C08F8/00; C08F8/40; C08K; C08K3/00; C08K3/32; C09D7/00; C09D7/40; C09D7/48; Y; Y10; Y10S; Y10S525/00; Y10S525/922
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
110 words
IN A PROCESS OF CURING A COATING COMPOSITION CONTAINING A RESIN COMPOSITION HAVING ETHLENICALLY UNSATURATED BONDS SELECTED FROM THE GROUP CONSISTING OF UNSATURATED POLYESTER RESIN, UNSATURATED ACRYLIC RESIN, UNSATURATED EPOXY RESIN AND POLYBUTADIENE RESIN, BY APPLYING HIGH ENERGY IONIZING RADIATION THERETO AT A DOSAGE RATE SUFFICIENT TO CURE THE RESIN, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A RADIATION-CURE ACCELERATOR FROM 1-40 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND HAVING THE FORMULA M(NH4)PO4NH2O IN SAID COATING COMPOSITION WHEREIN M IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND STRONTIUM, AND N IS ZERO OR A POSITIVE INTEGER FROM 1 TO 10, IN ADMIXTURE WITH SAID RESIN COMPOSITION.
Claim 2
Dependent Claim
110 words
IN A PROCESS OF CURING A COATING COMPOSITION CONTAINING A RESIN COMPOSITION HAVING ETHLENICALLY UNSATURATED BONDS SELECTED FROM THE GROUP CONSISTING OF UNSATURATED POLYESTER RESIN, UNSATURATED ACRYLIC RESIN, UNSATURATED EPOXY RESIN AND POLYBUTADIENE RESIN, BY APPLYING HIGH ENERGY IONIZING RADIATION THERETO AT A DOSAGE RATE SUFFICIENT TO CURE THE RESIN, THE IMPROVEMENT WHICH COMPRISES EMPLOYING AS A RADIATION-CURE ACCELERATOR FROM 1-40 PERCENT BY WEIGHT OF AT LEAST ONE COMPOUND HAVING THE FORMULA M(NH4)PO4NH2O IN SAID COATING COMPOSITION WHEREIN M IS AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF MAGNESIUM, CALCIUM AND STRONTIUM, AND N IS ZERO OR A POSITIVE INTEGER FROM 1 TO 10, IN ADMIXTURE WITH SAID RESIN COMPOSITION.
Claim 3
Dependent Claim
21 words
The process of claim 1 wherein from 5 to 30 weight percent of the compound of the formula M(NH4)PO4.nH2O is employed.
Claim 4
Dependent Claim
21 words
The process of claim 1 wherein from 1 to 20 weight percent of the compound of the formula M(NH4)PO4.nH2O is employed.
Claim 5
Dependent Claim
23 words
The process of claim 1 wherein the compound of the formula M(NH4)PO4.nH2O is selected from the group consisting of Mg(NH4)PO4.6H2O, Ca(NH4)PO4.7H2O and Sr(NH4)PO4.
Claim 6
Dependent Claim
16 words
The process of claim 1 wherein the compound of the formula M(NH4)PO4.nH2O is magnesium ammonium phosphate.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |