US3346496A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Lubricants containing carbodiimides as antioxidants
Assignee: Bayer AG
•
Filing: 1965-05-13
•
Granted: 1967-10-10
•
Expires: 1985-05-13
Abstract
No abstract record available.
Inventors
- 👤 Neumann Wolfram
- 👤 Lohmar Walther
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 04:53
CPC Classifications
C; C10; C10M; C10M1/00; C10M1/08; C10M2209/00; C10M2209/10; C10M2209/103; C10M2209/104; C10M2209/107; C10M2209/109; C10M2215/00; C10M2215/02; C10M2215/06; C10M2215/064; C10M2215/086; C10M2215/14; C10M2215/22; C10M2215/221; C10M2215/225; C10M2215/226; C10M2215/24; C10M2215/28; C10M2215/30; C10N; C10N2030/00; C10N2030/12
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
49 words
A LUBRICATING COMPOSITION COMPRISING (A) AN OIL BASE SELECTED FROM THE GROUP CONSISTING OF A MINERAL OID AND A SYNTHETIC POLYETHER CONTAINING -(CH2)4-O- GROUPS AND (B) AN OXIDATION -INHIBITING AMOUTN OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC MONOCARBONDIIMIDE, ALIPHATIC POLYCARBODIIMIDE, AROMATIC MONOCARBODIIMIDE AND AROMATIC POLYCARBODIIMIDE.
Claim 2
Dependent Claim
49 words
A LUBRICATING COMPOSITION COMPRISING (A) AN OIL BASE SELECTED FROM THE GROUP CONSISTING OF A MINERAL OID AND A SYNTHETIC POLYETHER CONTAINING -(CH2)4-O- GROUPS AND (B) AN OXIDATION -INHIBITING AMOUTN OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF AN ALIPHATIC MONOCARBONDIIMIDE, ALIPHATIC POLYCARBODIIMIDE, AROMATIC MONOCARBODIIMIDE AND AROMATIC POLYCARBODIIMIDE.
References Cited (Backward Citations)
US2298636A
Cited
US2458526A
Cited
US2654680A
Cited
US2776994A
Cited
US2948680A
Cited
US3004916A
Cited
US3193522A
Cited
US3193523A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |