US2749247A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of making wrinkle varnishes
Assignee: Council of Scientific and Industrial Research
•
Filing: 1951-12-06
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Granted: 1956-06-05
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Expires: 1971-12-06
Abstract
No abstract record available.
Inventors
- 👤 Aggarwal Joti Sarup
- 👤 Sharma Penumarti Gopal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 08:35
CPC Classifications
B; B05; B05D; B05D5/00; B05D5/06; B05D5/061; B05D5/062
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
IN THE MANUFACTURE OF WRINKLE VARNISHES, THE PROCESS WHICH CONSISTS SUBSTANTIALLY IN MIXING FROM ABOUT 1.5 TO 2 PARTS BY WEIGHT OF A WRINKLING OIL, WHOSE FATTY ACID COMPONENTS CONTAIN CONJUGATED DOUBLE BONDS AND SELECTED FROM A CLASS CONSISTING OF KAMALA OIL, TUNG OIL, OITICICA OIL, TRICHOSANTHERS ANGUINA SEED OIL AND MOMORDICA CHARANTIA SEED OIL, WITH ABOUT 1 PART BY WEIGHT OF ESTERGUM, HEATING THE MIXTURE IN THE ABSENCE OF A CATALYST AT A TEMPERATURE RANGING FROM ABOUT 175* TO 280* UNTIL A DROP OF THE COOLED MIXTURE GIVES A THREAD OF FROM ABOUT 6 TO 10 INCHES, THINNING THE RESULTING VARNISH BASE WITH AN ORGANIC SOLVENT HAVING A BOILING POINT OF FROM ABOUT 40* TO 125* C., ADDING A SURFACE DRIER.
Claim 2
Dependent Claim
122 words
IN THE MANUFACTURE OF WRINKLE VARNISHES, THE PROCESS WHICH CONSISTS SUBSTANTIALLY IN MIXING FROM ABOUT 1.5 TO 2 PARTS BY WEIGHT OF A WRINKLING OIL, WHOSE FATTY ACID COMPONENTS CONTAIN CONJUGATED DOUBLE BONDS AND SELECTED FROM A CLASS CONSISTING OF KAMALA OIL, TUNG OIL, OITICICA OIL, TRICHOSANTHERS ANGUINA SEED OIL AND MOMORDICA CHARANTIA SEED OIL, WITH ABOUT 1 PART BY WEIGHT OF ESTERGUM, HEATING THE MIXTURE IN THE ABSENCE OF A CATALYST AT A TEMPERATURE RANGING FROM ABOUT 175* TO 280* UNTIL A DROP OF THE COOLED MIXTURE GIVES A THREAD OF FROM ABOUT 6 TO 10 INCHES, THINNING THE RESULTING VARNISH BASE WITH AN ORGANIC SOLVENT HAVING A BOILING POINT OF FROM ABOUT 40* TO 125* C., ADDING A SURFACE DRIER.
References Cited (Backward Citations)
US1950417A
Cited
US1933520A
Cited
US2344189A
Cited
US2394498A
Cited
US2275239A
Cited
US2407623A
Cited
US2406878A
Cited
US2441105A
Cited
US2443284A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-05 | 1959-12-05 | 1960-06-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-05 | 1963-12-05 | 1964-06-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-05 | 1967-12-05 | 1968-06-05 | $7700.00 | Window Closed / Lapsed |