Patent US2764574A successfully refreshed from Google Patents.
US2764574A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidatively drying preparations and products made therefrom
Assignee: BASF Schweiz AG
•
Filing: 1952-11-25
•
Granted: 1956-09-25
•
Expires: 1972-11-25
Abstract
No abstract record available.
Inventors
- 👤 Widmer Gustav
- 👤 Zuppinger Paul
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:46
CPC Classifications
C; C08; C08F; C08F16/00; C08F16/12; C08F16/14; C08F16/28; C08F299/00; C08F299/02; C08F299/04; C08F299/0442; C08F299/0464; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/42; C08G12/424; C08G12/425; C08L; C08L61/00; C08L61/20; C08L61/32; C09; C09D; C09D4/00; Y; Y10; Y10S; Y10S525/00; Y10S525/923
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
46 words
AN OXIDATIVELY DRYING PREPARATION IN WHICH THE DRYING INGREDIENT CONSISTS OF A HARDENABLE FORMALDEHYDE CONDENSATION PRODUCT OF AN AMINOTRIAZINE CONTAINING AT LEAST TWO NH2-GROUPS AND A METALLIC DRIER, IN WHICH CONDENSATION PRODUCT AT LEAST TWO METHYLOL GROUPS PER MOL OF AMINOTRIAZINE ARE ETHERIFIED WITH ALLYL GROUP.
Claim 2
Dependent Claim
46 words
AN OXIDATIVELY DRYING PREPARATION IN WHICH THE DRYING INGREDIENT CONSISTS OF A HARDENABLE FORMALDEHYDE CONDENSATION PRODUCT OF AN AMINOTRIAZINE CONTAINING AT LEAST TWO NH2-GROUPS AND A METALLIC DRIER, IN WHICH CONDENSATION PRODUCT AT LEAST TWO METHYLOL GROUPS PER MOL OF AMINOTRIAZINE ARE ETHERIFIED WITH ALLYL GROUP.
References Cited (Backward Citations)
US2197357A
Cited
US2454495A
Cited
US2527853A
Cited
US2477548A
Cited
US2585035A
Cited
US2508876A
Cited
US2623864A
Cited
US2619476A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-09-25 | 1960-03-26 | 1960-09-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-09-25 | 1964-03-26 | 1964-09-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-09-25 | 1968-03-26 | 1968-09-25 | $7700.00 | Window Closed / Lapsed |