US3789053A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxazolidinone modified triglycidyl ether of trihydroxy triphenyl methane and derivatives thereof
Assignee: Dow Chemical Co
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Filing: 1971-08-19
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Granted: 1974-01-29
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Expires: 1991-08-19
Abstract
Abstract Novel oxazolidinone modified triglycidyl ethers of trihydroxy triphenyl methane and derivatives thereof are prepared which are useful in molding and adhesive compositions.
Inventors
- 👤 J Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 13:58
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/4007; C08G59/4014; C08G59/4057; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C08G59/20; C08G59/32; C08G59/3218; C08G59/4028
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
8 words
a curing amount of a curing agent therefor.
Claim 2
Dependent Claim
12 words
The composition of claim 1 wherein the curing agent is methylene dianiline.
Claim 3
Dependent Claim
11 words
The composition of claim 1 wherein the curing agent is dicyandiamide.
References Cited (Backward Citations)
US3334110A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-28 | 1977-07-30 | 1978-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-28 | 1981-07-30 | 1982-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-28 | 1985-07-30 | 1986-01-29 | $7700.00 | Window Closed / Lapsed |