US3262897A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting resins modified with glycolic ester derivatives and method of producing the same
Assignee: CATALIN Corp
•
Filing: 1960-06-27
•
Granted: 1966-07-26
•
Expires: 1980-06-27
Abstract
No abstract record available.
Inventors
- 👤 Kordzinski Stanley
- 👤 Raetz Robert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:09
CPC Classifications
C; C08; C08F; C08F8/00; C08F8/14; C08L; C08L67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CURABLE RESINOUS COMPOSITION WHICH COMPRISES A HOMOGENEOUS COMPATIBLE ADMIXTURE OF (A) A SOLVENT (B) A WATER SOLUBLE CONDENSATION PRODUCT OF (1) AN ALDEHYDE AND (2) A COMPOUND SELECTED FROM THE GROUP CONSISTING OF A PHENOL, UREA, MELAMINE, AND A MIXTURE OF UREA AND MELAMINE, WHICH CONDENSATION PRODUCT IS THERMALLY ADVANCEABLE TO AN INSOLUBLE, INFUSIBLE FINAL STAGE OF CURE, AND UP TO ABOUT 25% BY WEIGHT OF (C) THE REACTION PRODUCT HAVING A PH AT LEAST ABOUT 4.5 OF (1) AN ALKYLENE OXIDE HAVING A STRUCTURE REPRESENTED BY THE FORMULA:
Claim 2
Dependent Claim
23 words
A CURABLE RESINOUS COMPOSITION IN ACCORDANCE WITH CLAIM 4 IN WHICH THE SOLVENT IS WATER. CLAIM 4 IN WHICH THE SOLVENT IS WATER.
References Cited (Backward Citations)
US2469408A
Cited
US2607761A
Cited
US2725308A
Cited
US2923653A
Cited
US2961424A
Cited
US3002860A
Cited
US3030332A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-07-25 | 1970-01-24 | 1970-07-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-07-25 | 1974-01-24 | 1974-07-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-07-25 | 1978-01-24 | 1978-07-26 | $7700.00 | Window Closed / Lapsed |