US3370101A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Cocatalyst system for organic reactions
Assignee: Atlantic Richfield Co
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Filing: 1963-11-19
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Granted: 1968-02-20
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Expires: 1983-11-19
Abstract
No abstract record available.
Inventors
- 👤 Charles H Hayes
- 👤 Steven W Swenson
- 👤 Thomas F Rode
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 03:14
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; B; B01; B01J; B01J31/00; B01J31/02; B01J31/06; B01J31/08; B01J31/10; B01J31/26; C07C2/00; C07C2/02; C07C2/04; C07C2/06; C07C2/08; C07C2/26; C07C2/28; C07C2/54; C07C2/56; C07C2/58; C07C2/60; C07C2/64; C07C2/66; C07C2/68; C08; C08F; C08F10/00; B01J2231/00; B01J2231/10; B01J2231/12; B01J2231/30; B01J2231/32; B01J2231/323; B01J2231/50; B01J2231/52; C07C2527/00; C07C2527/06; C07C2527/135; C07C2531/00; C07C2531/02; C07C2531/06; C07C2531/08; C07C2531/10; C08F110/00; C08F110/14
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
79 words
A PROCESS FOR THE ALKYLATION OF HYDROCARBONS POSSESSING HYDROGEN ON A TERTIARY CARBON ATOM SELECTED FROM THE GROUP CONSISTING OF AROMATICS, PARAFFINS AND CYCLOPARAFFINS BY AN OLEFINIC HYDROCARBON WHICH COMPRISES CONTACTING THE DEHYDRATED ACID FROM OF A RESIN SELECTED FROM THE GROUP CONSISTING OF HYDROPHICLIC, CARBOPHILIC AND MACRORETICULAR SULFONIC ACID CATIONIC EXCHANGE RESINS, WITH A MIXTURE OF SAID HYDROCARBONS, SAID OLEFIN HYDROCARBONS, AND A LEWIS ACID OF THE TYPE WHICH DOES NOT FORM AN INACTIVE COMPLEX WITH SAID RESIN.
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) | 1971-02-19 | 1971-08-21 | 1972-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-02-19 | 1975-08-21 | 1976-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-02-19 | 1979-08-21 | 1980-02-20 | $7700.00 | Window Closed / Lapsed |