US3359243A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Linear polyurea elastomers
Assignee: Monsanto Co
•
Filing: 1964-12-15
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Granted: 1967-12-19
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Expires: 1984-12-15
Abstract
No abstract record available.
Inventors
- 👤 Gaspard X Criner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 21:42
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/48; C08G18/50; C08G18/5021; C08G18/5024; C08G18/08; C08G18/10; Y; Y10; Y10S; Y10S528/00; Y10S528/906
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
18 words
A SYNTHETIC, FIBER-FORMING, LINEAR, POLYUREA ELASTOMER CONSISTING ESSENTIALLY OF A PLURALITY OF INTRA-LINEAR STRUCTURAL UNITS HAVING THE FORMULA
Claim 2
Dependent Claim
18 words
A SYNTHETIC, FIBER-FORMING, LINEAR, POLYUREA ELASTOMER CONSISTING ESSENTIALLY OF A PLURALITY OF INTRA-LINEAR STRUCTURAL UNITS HAVING THE FORMULA
Claim 3
Dependent Claim
20 words
A PROCESS FOR PRODUCING A SYNTHETIC FIBER-FORMING LINEAR POLYUREA ELASTOMER WHICH COMPRISES REACTING A POLY(OXYALKYLENE) DIAMINE REPRESENTED BY THE FORMULA
Claim 4
Dependent Claim
20 words
A PROCESS FOR PRODUCING A SYNTHETIC FIBER-FORMING LINEAR POLYUREA ELASTOMER WHICH COMPRISES REACTING A POLY(OXYALKYLENE) DIAMINE REPRESENTED BY THE FORMULA
References Cited (Backward Citations)
US3044989A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-18 | 1971-06-19 | 1971-12-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-18 | 1975-06-19 | 1975-12-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-18 | 1979-06-19 | 1979-12-19 | $7700.00 | Window Closed / Lapsed |