US3218274A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Two-package coating system comprising a polyester having an acid number of at least 50 in one of the packages thereof
Assignee: Archer Daniels Midland Co
•
Filing: 1961-02-13
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Granted: 1965-11-16
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Expires: 1981-02-13
Abstract
No abstract record available.
Inventors
- 👤 Robert A Boller
- 👤 Richard B Graver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 11:00
CPC Classifications
C; C09; C09D; C09D167/00; C09D167/02; C08; C08G; C08G63/00; C08G63/02; C08G63/12; C08G63/40; C08G63/42; C08G63/52; C08G63/56; C08G63/58; C08G63/68; C08G63/682; C08G63/6824; C08K; C08K5/00; C08K5/04; C08K5/15; C08K5/151; C08K5/1515; C08L; C08L67/00; C08L67/02; C09D163/00; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31786
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
147 words
A TWO-PACKAGE COATING SYSTEM CAPABLE OF FROMING A HARD COATING, SAID COATING SYSTEM CONSISTING ESSENTIALLY OF: (A) IN A FIRST PACKAGE, CURABLE EPOXIDIZED FATTY COMPOUND SELECTED FROM THE GROUP CONSISTING OF EPOXIDIZED FATTY OILS, EPOXIDIZED MONOHYDRIC ALCOHOL ESTERS OF FATTY ACIDS, EPOXIDIZED POLYHYDRIC ALCOHOL ESTERS OF FATTY ACIDS, EPOXIDIZED FATTY NITRILES, EPOXIDIZED FATATY AMIDES, EPOXIDIZED FATTY AMINES, AND EPOXIDIZED FATTY ALCOHOLS; SAID FATTY COMPOUND HAVING 8-26 CARBON ATOMS IN THE FATTY RADICALS AND AN INTERNAL OXIRANE VALUE OF FROM 3% TO 10%, AND (B) IN A SECOND PACKAGE, POLYESTER CURIG AGENT FOR SAID EPOXIDIZED FATTY COMPOUND; SAID POLYESTER CURIN GAGENT HAVING AN ACID VALUE OF AT LEAST 50; SAID POLYESTER CURING AGENT BEING ESTERIFICATION REACTION PRODUCT OF POLYHYDRIC ALCOHOL AND POLYCARBOXYLIC ACID WHEREIN THE ESTERIFICATION REACTION MIXTURE HAS AN INITIAL RATION OF CARBOXYL TO HYDROZXYL OF 1-3 TO 1; SAID REACTION PRODUCT COMPRISING POLYESTER OF THE FORMULA:
Claim 2
Dependent Claim
147 words
A TWO-PACKAGE COATING SYSTEM CAPABLE OF FROMING A HARD COATING, SAID COATING SYSTEM CONSISTING ESSENTIALLY OF: (A) IN A FIRST PACKAGE, CURABLE EPOXIDIZED FATTY COMPOUND SELECTED FROM THE GROUP CONSISTING OF EPOXIDIZED FATTY OILS, EPOXIDIZED MONOHYDRIC ALCOHOL ESTERS OF FATTY ACIDS, EPOXIDIZED POLYHYDRIC ALCOHOL ESTERS OF FATTY ACIDS, EPOXIDIZED FATTY NITRILES, EPOXIDIZED FATATY AMIDES, EPOXIDIZED FATTY AMINES, AND EPOXIDIZED FATTY ALCOHOLS; SAID FATTY COMPOUND HAVING 8-26 CARBON ATOMS IN THE FATTY RADICALS AND AN INTERNAL OXIRANE VALUE OF FROM 3% TO 10%, AND (B) IN A SECOND PACKAGE, POLYESTER CURIG AGENT FOR SAID EPOXIDIZED FATTY COMPOUND; SAID POLYESTER CURIN GAGENT HAVING AN ACID VALUE OF AT LEAST 50; SAID POLYESTER CURING AGENT BEING ESTERIFICATION REACTION PRODUCT OF POLYHYDRIC ALCOHOL AND POLYCARBOXYLIC ACID WHEREIN THE ESTERIFICATION REACTION MIXTURE HAS AN INITIAL RATION OF CARBOXYL TO HYDROZXYL OF 1-3 TO 1; SAID REACTION PRODUCT COMPRISING POLYESTER OF THE FORMULA:
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-11-15 | 1969-05-17 | 1969-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-11-15 | 1973-05-17 | 1973-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-11-15 | 1977-05-17 | 1977-11-16 | $7700.00 | Window Closed / Lapsed |