Patent US3119781A successfully refreshed from Google Patents.
US3119781A
Expired / Lapsed
US
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Formaldehyde reaction product reacted with an alkylene oxide, and mixture thereof with a polyglycidyl polyether
Assignee: 3M Co
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Filing: 1960-09-08
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Granted: 1964-01-28
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Expires: 1980-09-08
Abstract
No abstract record available.
Inventors
- 👤 Mortimer T Harvey
- 👤 Peter L Rosamilia
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:03
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/18; C10L1/1817; C08; C08G; C08G2/00; C08G2/18; C08G2/22; C08L; C08L63/00; C10G; C10G33/00
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
48 words
THE METHOD COMPRISING HEAT REACTING ABOUT 10 PARTS BY WEIGHT OF (I) ALKYLENE OXIDE FROM ONE TO 100 PARTS BY WEIGHT OF (II) FORMALDEHYDE REACTION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TERPENES, TERPENE ALCOHOLS AND TERTIARY ALKYL ALCOHOLS, SAID (II) BEING LIQUID AT 130*C.
Claim 2
Independent Claim
48 words
THE METHOD COMPRISING HEAT REACTING ABOUT 10 PARTS BY WEIGHT OF (I) ALKYLENE OXIDE FROM ONE TO 100 PARTS BY WEIGHT OF (II) FORMALDEHYDE REACTION PRODUCT OF A MATERIAL SELECTED FROM THE GROUP CONSISTING OF TERPENES, TERPENE ALCOHOLS AND TERTIARY ALKYL ALCOHOLS, SAID (II) BEING LIQUID AT 130*C.
Claim 3
Dependent Claim
48 words
A NOVEL COMPOSITION OF MATTER COMPRISING (1) A POLYGLYCIDYL POLYETHER OF A COMPOUND SELECTED FROM THE GROUP CONSISTING OF POLYHYDRIC PHENOLS AND POLYHYDRIC ALIPHATIC ALOHOLS AND (2) A REACTION PRODUCT PRODUCED BY THE METHOD OF CLAIM 1, SAID (1) HAVING AN AVERAGE 1,2 EPOXY EQUIVALENCY GREATER THAN 1.
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) | 1967-01-27 | 1967-07-29 | 1968-01-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-01-27 | 1971-07-29 | 1972-01-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-01-27 | 1975-07-29 | 1976-01-28 | $7700.00 | Window Closed / Lapsed |