Patent US4442985A successfully refreshed from Google Patents.
Patent US2847435A successfully refreshed from Google Patents.
US2847435A
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Carboxylated cyclodiene derivatives
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1955-04-01
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Granted: 1958-08-12
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Expires: 1975-04-01
Abstract
No abstract record available.
Inventors
- 👤 Herbert K Wiese
- 👤 Ober C Slotterbeck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 10:55
CPC Classifications
C; C07; C07C; C07C61/00; C07C61/12; C07C61/125; C07C61/13; C07C61/16; C07C61/28; C07C61/29; C07C61/40
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
44 words
A PROCESS FOR PREPARING A MONOBASIC ACID WHICH COMPRISES MIXING A POLYCYCLODIENE DIBASIC ACID WITH A DIANOPHILIC CYCLODIENE SELECTED FROM THE GROUP CONSISTING OF CYCLOPENTADIENE, METHYLCLOPENTADIENE, HEXACHLOROCYCLOPENTAFIENE, FICYCLOPENTADIENE, DIMETHYLDICYLOPENTADIENE AND HEATING THE MIXTURE AT A TEMPERATURE SUIFFICIENT TO CAUSE DEPOLYMERIZATION OF THE DIBASIC ACID.
Claim 2
Dependent Claim
44 words
A PROCESS FOR PREPARING A MONOBASIC ACID WHICH COMPRISES MIXING A POLYCYCLODIENE DIBASIC ACID WITH A DIANOPHILIC CYCLODIENE SELECTED FROM THE GROUP CONSISTING OF CYCLOPENTADIENE, METHYLCLOPENTADIENE, HEXACHLOROCYCLOPENTAFIENE, FICYCLOPENTADIENE, DIMETHYLDICYLOPENTADIENE AND HEATING THE MIXTURE AT A TEMPERATURE SUIFFICIENT TO CAUSE DEPOLYMERIZATION OF THE DIBASIC ACID.
Claim 3
Dependent Claim
26 words
A METAL SALT OF A DICYCLOPENTADIENE MONOCARBOXYLIC ACID WHEREIN THE METAL IS SELECTED FROM THE GROUP CONSISTING OF MAGNAGANESE, COBALT, LEAD, CALCIU, COPPER, MERCURY, AND ARSENIC.
Claim 4
Dependent Claim
26 words
A METAL SALT OF A DICYCLOPENTADIENE MONOCARBOXYLIC ACID WHEREIN THE METAL IS SELECTED FROM THE GROUP CONSISTING OF MAGNAGANESE, COBALT, LEAD, CALCIU, COPPER, MERCURY, AND ARSENIC.
References Cited (Backward Citations)
US2688627A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-08-11 | 1962-02-10 | 1962-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-08-11 | 1966-02-10 | 1966-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-08-11 | 1970-02-10 | 1970-08-12 | $7700.00 | Window Closed / Lapsed |