US2900364A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions of matter and methods for preparing them
Assignee: 3M Co
•
Filing: 1955-08-29
•
Granted: 1959-08-18
•
Expires: 1975-08-29
Abstract
No abstract record available.
Inventors
- 👤 Wasserman David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:11
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/22; C08G59/24; C08G59/245; C08G59/68; C08G59/72
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
77 words
A NOVEL COMPOSITION OF MATTER COMPRISING GLYCIDYL POLYHETHER OF DIHYDRIC MONONUCLEAR PHENOL HAVING NUCLEAR ALKYL HYDROCARBON SUBSTITUENT OF 14-28 CARBON ATOMS, SAID POLYETHER HAVING AN EPOXIDE EQUIVALENCY GREATER THAN 1, SAID COMPOSITION OF MATTER CHARACTERIZED AS FOLLOWS: A MIXTURE OF A 100 GRAM SAMPLE THEREOF AND 1 GRAM OF BORON TRIFLUORIDE ETHER COMPLEX (50% BORON TRIFLUORIDE) AFTER BEING MAINTAINED AT 120* C. FOR 1 HOUR WILL HAVE BEEN CONVERTED TO THE SOLID STATE INFUSIBLE AT 200* C.
Claim 2
Dependent Claim
77 words
A NOVEL COMPOSITION OF MATTER COMPRISING GLYCIDYL POLYHETHER OF DIHYDRIC MONONUCLEAR PHENOL HAVING NUCLEAR ALKYL HYDROCARBON SUBSTITUENT OF 14-28 CARBON ATOMS, SAID POLYETHER HAVING AN EPOXIDE EQUIVALENCY GREATER THAN 1, SAID COMPOSITION OF MATTER CHARACTERIZED AS FOLLOWS: A MIXTURE OF A 100 GRAM SAMPLE THEREOF AND 1 GRAM OF BORON TRIFLUORIDE ETHER COMPLEX (50% BORON TRIFLUORIDE) AFTER BEING MAINTAINED AT 120* C. FOR 1 HOUR WILL HAVE BEEN CONVERTED TO THE SOLID STATE INFUSIBLE AT 200* C.
References Cited (Backward Citations)
US2665266A
Cited
US2735829A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-08-17 | 1963-02-16 | 1963-08-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-08-17 | 1967-02-16 | 1967-08-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-08-17 | 1971-02-16 | 1971-08-18 | $7700.00 | Window Closed / Lapsed |