US3846481A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aryl carboxylic acid salts of di(n-octadecyl)amine
Assignee: Universal Oil Products Co
•
Filing: 1972-08-28
•
Granted: 1974-11-05
•
Expires: 1992-08-28
Abstract
Abstract Salt of aromatic carboxylic acid and di-(n-octadecyl)amine as new composition of matter and the use thereof as pour point depressant in hydrocarbon oils. Also included is the use of a mixture of the salt with salt of aliphatic carboxylic acid and di-(n-octadecyl)amine.
Inventors
- 👤 A Gaydasch
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 21:36
CPC Classifications
C; C10; C10L; C10L1/00; C10L1/10; C10L1/14; C10L1/22; C10L1/222; C10L1/2222; C07; C07C; C07C63/00; C07C63/04; C07C63/06; C07C63/08; C07C63/68; C07C63/70; C10M; C10M1/00; C10M1/08; C10M2203/00; C10M2203/10; C10M2203/102; C10M2203/108; C10M2207/00; C10M2207/10; C10M2207/12; C10M2207/125; C10M2207/128; C10M2207/129; C10M2207/14; C10M2207/141; C10M2207/142; C10M2207/144; C10M2207/146; C10M2211/00; C10M2211/04; C10M2211/044; C10M2215/00; C10M2215/02; C10M2215/04; C10M2215/08; C10M2215/082; C10M2215/24; C10M2215/26; C10M2215/28; C10N; C10N2040/00; C10N2040/08; C10N2040/14; C10N2040/16; C10N2040/17
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
31 words
A SALT OF DI-(N-OCTADECYL)AMINE AND A PHENYL CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF BENZOIC AND PHENYLALKYLCARBOXYLIC ACIDS WHEREIN SAID ALKYLCARBOXYLIC ACID MOIETY CONTAINS FROM 2 TO 26 CARBON ATOMS.
Claim 2
Dependent Claim
31 words
A SALT OF DI-(N-OCTADECYL)AMINE AND A PHENYL CARBOXYLIC ACID SELECTED FROM THE GROUP CONSISTING OF BENZOIC AND PHENYLALKYLCARBOXYLIC ACIDS WHEREIN SAID ALKYLCARBOXYLIC ACID MOIETY CONTAINS FROM 2 TO 26 CARBON ATOMS.
Claim 3
Dependent Claim
19 words
The salt of claim 1 in which said alkyl carboxylic acid moiety contains from 1 to 10 carbon atoms.
Claim 4
Dependent Claim
11 words
The salt of claim 1 being di-(n-octadecyl)amine salt of benzoic acid.
Claim 5
Dependent Claim
32 words
A salt of hydrogenated ditallowamine and a phenyl carboxylic acid selected from the group consisting of benzoic and phenylalkylcarboxylic acids wherein said alkylcarboxylic acid moiety contains from 1 to 26 carbon atoms.
Claim 6
Dependent Claim
32 words
A salt of hydrogenated ditallowamine and a phenyl carboxylic acid selected from the group consisting of benzoic and phenylalkylcarboxylic acids wherein said alkylcarboxylic acid moiety contains from 1 to 26 carbon atoms.
References Cited (Backward Citations)
US2900411A
Cited
DE1138296B
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-04 | 1978-05-06 | 1978-11-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-04 | 1982-05-06 | 1982-11-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-04 | 1986-05-06 | 1986-11-05 | $7700.00 | Window Closed / Lapsed |