US2917467A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certificate of correction
Assignee: —
•
Filing: —
•
Granted: 1959-12-15
•
Expires: 1976-12-15
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 16:38
CPC Classifications
C; C08; C08G; C08G63/00; C08G63/02; C08G63/06; C08G77/00; C08G77/04; C08G77/06; C08G77/14; C08G77/16; C08L; C08L83/00; C09; C09D; C09D183/00; C09D183/04; C08L2666/00; C08L2666/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
137 words
A METHOD OF FORMING A RESIN WHICH DISSOLVED IN XYLENE TO FORM A LIQUID COATING MEATERIAL, WHICH METHOD COMPRISED FEFLUXING AT THE TEMPERATURE OF ESTER INTERCHANGE IN THE PRESENCE OF AN ESTER INTERCHANGE CATALYST A MIXTURE OF (A) WATER, (B) AN ORTHOALKYL SILICATE IN WHICH THE ALKYL GROUPS CONTAIN FROM 1 TO 6 CARBON ATOMS, AND (C) AN ALCOHOL OF THE CLASS CONSISTING OF AN ALKALPOLYENYL ALCOHOL OF 18 TO 22 CARBON ATOMS AND A DIGLYCERIDE OF A DRYING OIL ACIDS, THERE BEING PRESENT ABOAUT 2 MOLES OF COMPOUND (C) FOR EVERY MOLE OF COMPOUND (B), TO EVOLVE BY ESTER INTERCHANGE, AN ALKYL ALCOHOL CONTAINING 1 TO 6 CARBON ATOMS REFLUXING BEING CONTINUED UNTIL SAID ALCOHOL CEASES TO EVOLVE AND SAID RESIN IS FORMED AND THEN DISCONTINUING THE HEATING OPERATION WHILE SAID RESIN IS SOLUBLE IN XYLENE.
Claim 2
Independent Claim
137 words
A METHOD OF FORMING A RESIN WHICH DISSOLVED IN XYLENE TO FORM A LIQUID COATING MEATERIAL, WHICH METHOD COMPRISED FEFLUXING AT THE TEMPERATURE OF ESTER INTERCHANGE IN THE PRESENCE OF AN ESTER INTERCHANGE CATALYST A MIXTURE OF (A) WATER, (B) AN ORTHOALKYL SILICATE IN WHICH THE ALKYL GROUPS CONTAIN FROM 1 TO 6 CARBON ATOMS, AND (C) AN ALCOHOL OF THE CLASS CONSISTING OF AN ALKALPOLYENYL ALCOHOL OF 18 TO 22 CARBON ATOMS AND A DIGLYCERIDE OF A DRYING OIL ACIDS, THERE BEING PRESENT ABOAUT 2 MOLES OF COMPOUND (C) FOR EVERY MOLE OF COMPOUND (B), TO EVOLVE BY ESTER INTERCHANGE, AN ALKYL ALCOHOL CONTAINING 1 TO 6 CARBON ATOMS REFLUXING BEING CONTINUED UNTIL SAID ALCOHOL CEASES TO EVOLVE AND SAID RESIN IS FORMED AND THEN DISCONTINUING THE HEATING OPERATION WHILE SAID RESIN IS SOLUBLE IN XYLENE.
References Cited (Backward Citations)
US2395550A
Cited
US2438736A
Cited
US2566957A
Cited
US2490691A
Cited
US2711418A
Cited
US2657149A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-12-14 | 1963-06-15 | 1963-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-12-14 | 1967-06-15 | 1967-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-12-14 | 1971-06-15 | 1971-12-15 | $7700.00 | Window Closed / Lapsed |