US3047501A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Radiation resistant mineral oil composition
Assignee: Shell USA Inc
•
Filing: 1958-07-24
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Granted: 1962-07-31
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Expires: 1978-07-24
Abstract
No abstract record available.
Inventors
- 👤 Brook James Harold Thurston
- 👤 Glazebrook Roy William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:54
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; A; A61; A61K; A61K31/00; A61K31/33; A61K31/335; A61K31/35; A61K31/352; C03; C03C; C03C29/00; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/16; C10L1/1608; C10L1/18; C10L1/182; C10L1/183; C10L1/1832; C10L1/1837; C10L1/185; C10L1/1852; C10L1/1855; C10L1/20; C10L1/201; C10L1/22; C10L1/222; C10L1/223; C10L1/232; C10L1/24; C10L1/2406; C10L1/2443; C10M2201/00; C10M2201/10; C10M2201/105; C10M2203/00; C10M2203/02; C10M2203/022; C10M2203/024; C10M2203/04; C10M2203/06; C10M2203/10; C10M2203/102; C10M2203/104; C10M2203/106; C10M2203/108; C10M2205/00; C10M2205/02; C10M2205/026; C10M2207/00; C10M2207/02; C10M2207/023; C10M2207/026; C10M2207/04; C10M2207/044; C10M2207/10; C10M2207/12; C10M2207/121; C10M2207/123; C10M2207/129; C10M2207/22; C10M2207/28; C10M2207/282; C10M2207/34; C10M2207/40; C10M2207/402; C10M2207/404; C10M2209/00; C10M2209/02; C10M2209/08; C10M2209/082; C10M2211/00; C10M2211/02; C10M2211/022; C10M2211/06; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/062; C10M2215/064; C10M2215/065; C10M2215/066; C10M2215/10; C10M2215/102; C10M2215/16; C10M2215/18; C10M2215/20; C10M2215/202; C10M2215/204; C10M2215/22; C10M2215/221; C10M2215/223; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/30; C10M2219/00; C10M2219/06; C10M2219/062; C10M2219/064; C10M2219/066; C10M2219/068; C10M2219/08; C10M2219/082; C10M2219/083; C10M2219/086; C10M2219/087; C10M2219/089; C10M2219/10; C10M2223/00; C10M2223/02; C10M2223/04; C10M2223/041; C10M2223/042; C10M2223/045; C10M2223/047; C10M2229/00; C10M2229/02; C10M2229/04; C10M2229/041; C10M2229/05; C10N; C10N2010/00; C10N2010/04; C10N2030/00; C10N2030/32; C10N2050/00; C10N2050/10; C10N2070/00; F; F02; F02B; F02B3/00; F02B3/06; Y; Y10; Y10S; Y10S585/00; Y10S585/929; Y10S585/944
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
98 words
A RADIATION RESISTANT MINERAL OIL CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF MINERAL OIL AND FROM 1% TO 30% OF A DIHYDROAROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A DIHYDROAROMATIC COMPOUND HAVING 3 FUSED RINGS SELECTED FROM THE GROUPCONSISTING OF DIHYDROANTHRACENE, DIHYDROPHENANTHRENE, AND THE C1-10 ALKYL DERIVATIVES THEREOF AND (2) A DIHYDROAMATIC COMPOUND HAVING ONE BENZENE RING AND A FUSED HETEROCYCLIC RING WHICH HAS A SINGLE HETERO ATOM IN THE RING SELECTED FROM THE GROUP CONSISTING OF OXYGEN, SULFUR AND NITROGEN, THE HETEROCYCLIC RING BEING SELECTED FROM THE GROUP CONSISTING OF 5 AND 6 MEMBERED RING.
Claim 2
Dependent Claim
98 words
A RADIATION RESISTANT MINERAL OIL CONSISTING ESSENTIALLY OF A MAJOR AMOUNT OF MINERAL OIL AND FROM 1% TO 30% OF A DIHYDROAROMATIC COMPOUND SELECTED FROM THE GROUP CONSISTING OF (1) A DIHYDROAROMATIC COMPOUND HAVING 3 FUSED RINGS SELECTED FROM THE GROUPCONSISTING OF DIHYDROANTHRACENE, DIHYDROPHENANTHRENE, AND THE C1-10 ALKYL DERIVATIVES THEREOF AND (2) A DIHYDROAMATIC COMPOUND HAVING ONE BENZENE RING AND A FUSED HETEROCYCLIC RING WHICH HAS A SINGLE HETERO ATOM IN THE RING SELECTED FROM THE GROUP CONSISTING OF OXYGEN, SULFUR AND NITROGEN, THE HETEROCYCLIC RING BEING SELECTED FROM THE GROUP CONSISTING OF 5 AND 6 MEMBERED RING.
Claim 3
Dependent Claim
106 words
THE MINERAL OIL COMPOSITION OF CLAIM 1 CONTAINING A MINOR AMOUNT OF A CHAIN TRANSFER AGENT SELECTED FROM THE CLASS CONSISTING OF C8-12 ALKYL MERCAPTANS SELECTED FROM THE GROUP CONSISTING OF NONYL MERCAPTAN, DECYL MERCAPTAN, DODECYL MERCAPTAN, TRI(TERT. BUTYL) PHENOL, C1 18 ALKYLATED AROMATIC AMINES SELECTED FROM THE GROUP CONSISTING OF C1-18 ALKYL ANILAINE, C4-8 ALKYL NAPHTHYLAMINE, AND BENZYL NAPHTHYLAMINE, HALOGENATED LOWER HYDROCARBONS SELECTED FROM THE GROUP CONSISTING OF CHLOROFORM, ETHYLENE DICHLORIDE, AND ETHYLENE TRICHLORIDE, AND THIOPHENOLS SELECTED FROM THE GROUP CONSISTING OF THIOPHENOL. THIOCRESOL, ALPHA-THIUONAPHTHOL AND BETA-THIONAPHTHOL, THE WEIGHT CONCENTRATION RATIO OF THE CHAIN TRANSFER AGENT TO THE DIHYDROAROMATIC COMPOUND BEING NOT GREATER THAN 2:1.
References Cited (Backward Citations)
US1949896A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-07-30 | 1966-01-29 | 1966-07-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-30 | 1970-01-29 | 1970-07-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-30 | 1974-01-29 | 1974-07-31 | $7700.00 | Window Closed / Lapsed |