US3213149A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of preparing telomers
Assignee: Resonac Holdings Corp
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Filing: 1961-12-20
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Granted: 1965-10-19
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Expires: 1981-12-20
Abstract
No abstract record available.
Inventors
- 👤 Takahashi Akira
- 👤 Mogi Noboru
- 👤 Takahama Hiroshi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:30
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/126; C07C17/00; C07C17/26; C07C17/272; C07C17/275; C07C17/278; C07C45/00; C07C45/61; C07C45/67; C07C45/68; C07C45/69; C07C51/00; C07C51/347; C07C51/353; C07C53/124
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
A METHOD OF PREPARING TELOMERS COMPRISING REACTING A TAXOGEN SELECTED FROM THE GROUPS CONSISTING OF ETHYLENE, PROPYLENE, BUTYLENE, ISOBUTYLENE, VINYL CHLORIDE, VINYL ACETATE, STYRENE, BUTADIENE AND ISOPRENE WITH A TELOGEN SELECTED FROM A GROUP CONSISTING OF CHLOROFORM, CARBON TETRACHLORIDE, METHANOL, ETHANOL, ISOPROPANOL, BUTYRAIDEHYDE AND ACETIC ACID IN THE PRESENCE OF A CATALYST COMPRISING A METAL SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF NAPHTHENIC ACID, STEARIC ACID, OLEIC ACID, OCTOIC ACID AND CITRIC ACID, AND SEPARATING THE RESULTANT TELOMERS, THE CATION OF SAID METAL SALT BEING A METAL SELECTED FROM A GROUP CONSISTING OF LI, K, NA, MG, CA, AL, CU, FE, NI, CO, PB, ZN, CD, SN, TI, ZR, V, CR, MO, MN AND W.
Claim 2
Independent Claim
118 words
A METHOD OF PREPARING TELOMERS COMPRISING REACTING A TAXOGEN SELECTED FROM THE GROUPS CONSISTING OF ETHYLENE, PROPYLENE, BUTYLENE, ISOBUTYLENE, VINYL CHLORIDE, VINYL ACETATE, STYRENE, BUTADIENE AND ISOPRENE WITH A TELOGEN SELECTED FROM A GROUP CONSISTING OF CHLOROFORM, CARBON TETRACHLORIDE, METHANOL, ETHANOL, ISOPROPANOL, BUTYRAIDEHYDE AND ACETIC ACID IN THE PRESENCE OF A CATALYST COMPRISING A METAL SALT OF AN ACID SELECTED FROM THE GROUP CONSISTING OF NAPHTHENIC ACID, STEARIC ACID, OLEIC ACID, OCTOIC ACID AND CITRIC ACID, AND SEPARATING THE RESULTANT TELOMERS, THE CATION OF SAID METAL SALT BEING A METAL SELECTED FROM A GROUP CONSISTING OF LI, K, NA, MG, CA, AL, CU, FE, NI, CO, PB, ZN, CD, SN, TI, ZR, V, CR, MO, MN AND W.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-18 | 1969-04-19 | 1969-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-18 | 1973-04-19 | 1973-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-18 | 1977-04-19 | 1977-10-19 | $7700.00 | Window Closed / Lapsed |