US2907722A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition comprising methyl methacrylate polymer, nitrocellulose, reaction product of a bisphenol and a dicarboxylic acid and solvent, process for preparing same and article coated therewith
Assignee: EIDP Inc
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Filing: 1957-03-11
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Granted: 1959-10-06
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Expires: 1977-03-11
Abstract
No abstract record available.
Inventors
- 👤 Staicopoulos Dimitrio Nickolas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 23:16
CPC Classifications
C; C09; C09D; C09D133/00; C09D133/04; C09D133/06; C09D133/10; C09D133/12; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31692; Y10T428/31699
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
134 words
A COATING COMPOSITION COMPRISING SOLVENT AND (A) ABOUT FROM 40 TO 75 PARTS BY WEIGHT OF A POLYMER OF METHYL METHACRYLATE HAVING A RELATIVE VICOSITY OF ABOUT FROM 1.117 TO 1.196, (B) UP TO ABOUT 25 PARTS BY WEIGHT OF PLASTICIZER FOR SAID POLYMER OF METHYL METHACRYLATE, (C) ABOUT FROM 5 TO 20 PARTS BY WEIGHT OF LACQUER-GRADE NITROCELLULOSE AND (D) ABOUT FROM 20 TO 50 PARTS BY WEIGHT OF THE HEAT REACTION PRODUCT OF 1 MOLAR PORTION OF AT LEAST ONE OF THE GROUP CONSISTING OF ALIPHATIC DICARBOXYLIC ACIDS HAVING 4 TO 10 CARBON ATOMS AND ACID CHLORIDES AND ANHYDRIDES THEREOF WITH AT LEAST ABOUT 1.5 MOLAR PORTIONS OF AT LEAST ONE COMPOUND WHICH FORMS AN ESTER THEREWITH SELECTED FROM THE GROUP CONSISTING OF BISPHENOLS AND ACETATES THEREOF, SAID BISPHENOLD HAVING THE FORMULA:
Claim 2
Dependent Claim
134 words
A COATING COMPOSITION COMPRISING SOLVENT AND (A) ABOUT FROM 40 TO 75 PARTS BY WEIGHT OF A POLYMER OF METHYL METHACRYLATE HAVING A RELATIVE VICOSITY OF ABOUT FROM 1.117 TO 1.196, (B) UP TO ABOUT 25 PARTS BY WEIGHT OF PLASTICIZER FOR SAID POLYMER OF METHYL METHACRYLATE, (C) ABOUT FROM 5 TO 20 PARTS BY WEIGHT OF LACQUER-GRADE NITROCELLULOSE AND (D) ABOUT FROM 20 TO 50 PARTS BY WEIGHT OF THE HEAT REACTION PRODUCT OF 1 MOLAR PORTION OF AT LEAST ONE OF THE GROUP CONSISTING OF ALIPHATIC DICARBOXYLIC ACIDS HAVING 4 TO 10 CARBON ATOMS AND ACID CHLORIDES AND ANHYDRIDES THEREOF WITH AT LEAST ABOUT 1.5 MOLAR PORTIONS OF AT LEAST ONE COMPOUND WHICH FORMS AN ESTER THEREWITH SELECTED FROM THE GROUP CONSISTING OF BISPHENOLS AND ACETATES THEREOF, SAID BISPHENOLD HAVING THE FORMULA:
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) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |