Patent US2955825A successfully refreshed from Google Patents.
Patent US2874080A successfully refreshed from Google Patents.
US2874080A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Self-hardening surface coating compositions
Assignee: DEUTSCH GOLDUND SILBER SCHEIDE
•
Filing: 1954-07-13
•
Granted: 1959-02-17
•
Expires: 1974-07-13
Abstract
No abstract record available.
Inventors
- 👤 Schweitzer Otto
- 👤 Bader Erich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:33
CPC Classifications
C; C09; C09J; C09J167/00; C09J167/06; C08; C08F; C08F2/00; C08F2/44; C08F4/00; C08F4/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF ADHERING A SELF-HARDENING POLYMERIZABLE COATING COMPOSITING TO A METALLIC SURFACE SELECTED FROM THE GROUP CONSISTING OF COPPER, ZINC, COPPER ALLOYS AND ZINC ALLOYS WHICH COMPRISES APPLYING TO SAID SURFACE A SELF-HADENING POLYMERIZABLE ORGANIC COMTAINING AT LEAST ONE LIQUID POLYMERIZABLE ORGANIC COMPOUND CONTAINING A TERMINAL CH2=C<GROUP AND A RELATIVELY SMALL BUT EFFECTVE AMOUNT OF AT LEAST ONE COMPOUND CAPABLE OF FORMING A COMPLEX WITH COPPER AND ZINC SELECTED FROM THE GROUP CONSISTING OF HYDROXY QUINOLINE, ACETYL ACETONE AND BENZOYL ACETONE TO IMPROVED THE BOND OF THE COATING COMPOSITION TO SAID METALLIC SURFACE.
Claim 2
Independent Claim
94 words
A METHOD OF ADHERING A SELF-HARDENING POLYMERIZABLE COATING COMPOSITING TO A METALLIC SURFACE SELECTED FROM THE GROUP CONSISTING OF COPPER, ZINC, COPPER ALLOYS AND ZINC ALLOYS WHICH COMPRISES APPLYING TO SAID SURFACE A SELF-HADENING POLYMERIZABLE ORGANIC COMTAINING AT LEAST ONE LIQUID POLYMERIZABLE ORGANIC COMPOUND CONTAINING A TERMINAL CH2=C<GROUP AND A RELATIVELY SMALL BUT EFFECTVE AMOUNT OF AT LEAST ONE COMPOUND CAPABLE OF FORMING A COMPLEX WITH COPPER AND ZINC SELECTED FROM THE GROUP CONSISTING OF HYDROXY QUINOLINE, ACETYL ACETONE AND BENZOYL ACETONE TO IMPROVED THE BOND OF THE COATING COMPOSITION TO SAID METALLIC SURFACE.
References Cited (Backward Citations)
BE511423A
Cited
US2335116A
Cited
US2174912A
Cited
US2450503A
Cited
US2427196A
Cited
US2406453A
Cited
US2406454A
Cited
US2464568A
Cited
US2631138A
Cited
US2643243A
Cited
US2686739A
Cited
US2702798A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-02-16 | 1962-08-18 | 1963-02-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-02-16 | 1966-08-18 | 1967-02-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-02-16 | 1970-08-18 | 1971-02-17 | $7700.00 | Window Closed / Lapsed |