US3299166A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hardening of epoxy resin by means of condensation products of aminoalkoxysilanes and mono-oxirane compounds
Assignee: PQ Corp
•
Filing: 1963-05-03
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Granted: 1967-01-17
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Expires: 1983-05-03
Abstract
No abstract record available.
Inventors
- 👤 Emblem Harold Garton
- 👤 Hurt Norman Albert
- 👤 Trow Stanley Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 18:56
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3893; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/18; C07F7/1804; C08G59/00; C08G59/18; C08G59/182; C08G59/184; C08G59/40; C08G59/4007; C08G59/4085; C08G59/50; C08G59/504; C08G59/62; C08G59/64
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
58 words
A METHOD OF HARDENING AN EPOXY RESIN COMPRISING THE REACTION PRODUCT OF EPICHLOROHYDRIN AND 2,2-BIS(4HYDROXY PHENYL) PROPANE WHICH COMPRISES: (A) FORMING A MIXTURE OF 1 PART BY WEIGHT OF SAID EPOXY RESIN AND ABOUT 0.3 TO 2.5 PARTS BY WEIGHT OF A CONDENSATION PRODUCT OF AN AMINOALKOXY SILANE AND A MONOOXIRANE COMPOUND, SAID AMINOALKOXY SILANE HAVING THE FORMULA:
Claim 2
Independent Claim
58 words
A METHOD OF HARDENING AN EPOXY RESIN COMPRISING THE REACTION PRODUCT OF EPICHLOROHYDRIN AND 2,2-BIS(4HYDROXY PHENYL) PROPANE WHICH COMPRISES: (A) FORMING A MIXTURE OF 1 PART BY WEIGHT OF SAID EPOXY RESIN AND ABOUT 0.3 TO 2.5 PARTS BY WEIGHT OF A CONDENSATION PRODUCT OF AN AMINOALKOXY SILANE AND A MONOOXIRANE COMPOUND, SAID AMINOALKOXY SILANE 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) | 1970-01-16 | 1970-07-18 | 1971-01-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-16 | 1974-07-18 | 1975-01-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-16 | 1978-07-18 | 1979-01-17 | $7700.00 | Window Closed / Lapsed |