Patent US3228787A successfully refreshed from Google Patents.
US3228787A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Heat curable top-coating composition
Assignee: EIDP Inc
•
Filing: 1961-12-20
•
Granted: 1966-01-11
•
Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 William A Haubert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 12:41
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/08; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31681; Y10T428/31688; Y10T428/31942; Y10T428/31946
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
AS AN ARTICLE OF MANUFACTURE A SHEET METAL SUBSTRATE HAVING AS A PROTECTIVE COMPOSITE FINISH THEREON (1) AN UNCURED PRIMER LAYER CONSISTING ESSENTIALLY OF A HEAT-CURABLE ORGANIC FILM-FORMING COATING VEHICLE AND PAINT PIGMENT. (2) A WET, AS APPLIED, TOPCOAT LAYER COMPRISING A HEATCURABLE AMINOPLAST COATING RESIN AND A COMPATIBLE PLASTICIZING OIL-MODIFIED ALKYD RESIN IN THE WEIGHT RATIO OF ABOUT 5-50/95-50, RESPECTIVELY, IN A HYDROCARBON SOLVENT, AND A HYDROCARBON -SOLUBLE NICKEL SOAP IN AN AMOUNT TO PROVIDE AT LEAST 0.05% NICKEL BASED ON THE WEIGHT OF THE TOPCOAT; SAID UNCURED PRIMER LAYER NORMALLY EXHIBITING VEHICLE BLEED-THROUGH INTO SAID WET TOPCOAT LAYER IN THE ABSENCE OF SAID NICKEL SOAP.
Claim 2
Dependent Claim
107 words
AS AN ARTICLE OF MANUFACTURE A SHEET METAL SUBSTRATE HAVING AS A PROTECTIVE COMPOSITE FINISH THEREON (1) AN UNCURED PRIMER LAYER CONSISTING ESSENTIALLY OF A HEAT-CURABLE ORGANIC FILM-FORMING COATING VEHICLE AND PAINT PIGMENT. (2) A WET, AS APPLIED, TOPCOAT LAYER COMPRISING A HEATCURABLE AMINOPLAST COATING RESIN AND A COMPATIBLE PLASTICIZING OIL-MODIFIED ALKYD RESIN IN THE WEIGHT RATIO OF ABOUT 5-50/95-50, RESPECTIVELY, IN A HYDROCARBON SOLVENT, AND A HYDROCARBON -SOLUBLE NICKEL SOAP IN AN AMOUNT TO PROVIDE AT LEAST 0.05% NICKEL BASED ON THE WEIGHT OF THE TOPCOAT; SAID UNCURED PRIMER LAYER NORMALLY EXHIBITING VEHICLE BLEED-THROUGH INTO SAID WET TOPCOAT LAYER IN THE ABSENCE OF SAID NICKEL SOAP.
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) | 1969-01-10 | 1969-07-12 | 1970-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-01-10 | 1973-07-12 | 1974-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-01-10 | 1977-07-12 | 1978-01-11 | $7700.00 | Window Closed / Lapsed |