US2863786A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Odor-free liquid conjugated diene polymers
Assignee: Phillips Petroleum Co
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Filing: 1956-12-04
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Granted: 1958-12-09
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Expires: 1976-12-04
Abstract
No abstract record available.
Inventors
- 👤 Eugene D Guth
- 👤 Homer M Fox
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:13
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/28; C08K5/00; C08K5/16; C08K5/22; C08K5/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A COMPOSITION OF MATTER COMPRISING A LIQUID POLYMER OF A CONJUGATD DIENE CONTAINING 4 TO 8 CARBON ATOMS AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE AND METHYL AND ETHYL DERIVATIVES THEREOF, THE AMOUNT OF SAID HYDRAZINE OR DEIVATIVE THEREOF BEING SUFFICIENT TO ELIMINATE THE ODOR OF THE LIQUID POLYMER BUT SUFFICIENT TO PRODUCE AN OBJECTIONABLE HYDRAZINE ODOR.
Claim 2
Dependent Claim
60 words
A COMPOSITION OF MATTER COMPRISING A LIQUID POLYMER OF A CONJUGATD DIENE CONTAINING 4 TO 8 CARBON ATOMS AND A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HYDRAZINE AND METHYL AND ETHYL DERIVATIVES THEREOF, THE AMOUNT OF SAID HYDRAZINE OR DEIVATIVE THEREOF BEING SUFFICIENT TO ELIMINATE THE ODOR OF THE LIQUID POLYMER BUT SUFFICIENT TO PRODUCE AN OBJECTIONABLE HYDRAZINE ODOR.
References Cited (Backward Citations)
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Cited
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Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-12-08 | 1962-06-09 | 1962-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-12-08 | 1966-06-09 | 1966-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-12-08 | 1970-06-09 | 1970-12-09 | $7700.00 | Window Closed / Lapsed |