US3085890A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Leafing aluminum paint manufacture
Assignee: Alcoa Corp
•
Filing: 1958-12-03
•
Granted: 1963-04-16
•
Expires: 1978-12-03
Abstract
No abstract record available.
Inventors
- 👤 Rolles Rolf
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 09:28
CPC Classifications
C; C09; C09D; C09D5/00; C09D5/08; C09D5/10; C09D5/103
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A METHOD IN THE PRODUCTION OF LEAFING ALUMINUM READY-MIXED COATING FORMULATIONS IN VEHICLES CONTAINING ORGANIC ACIDS DESTRUCTIVE OF THELEAFING PROPERTY OF LEAFING ALUMINUM PIGMENT, THE STEPS COMPRISING, ADDING TO THE VEHICLES AT ROOM TEMPERATURE AT LEAST ONE ORGANIC ACIDREACTIVE AMINE SELECTED FROM THE GROUP CONSISTING OF TETRAETHYLENE PENTAMINE, PIPERIDINE, ETHYLENE DIAMINE AND 1.3 DIAMINO PROPANOL, THE SAID SELECTED AMINES BEING DESTRUCTIVE IN THEMSELVES OF LEAFING AGENT ON THE SURFACES OF INDIVIDUAL FLAKES OF LEAFING ALUMINUM PIGMENTATION ON DIRECT CONTACT THEREWITH, AND THEREAFTER DISPERSING LEAFING ALUMINUM FLAKES IN THE SO-TREATED VEHICLES.
Claim 2
Independent Claim
90 words
A METHOD IN THE PRODUCTION OF LEAFING ALUMINUM READY-MIXED COATING FORMULATIONS IN VEHICLES CONTAINING ORGANIC ACIDS DESTRUCTIVE OF THELEAFING PROPERTY OF LEAFING ALUMINUM PIGMENT, THE STEPS COMPRISING, ADDING TO THE VEHICLES AT ROOM TEMPERATURE AT LEAST ONE ORGANIC ACIDREACTIVE AMINE SELECTED FROM THE GROUP CONSISTING OF TETRAETHYLENE PENTAMINE, PIPERIDINE, ETHYLENE DIAMINE AND 1.3 DIAMINO PROPANOL, THE SAID SELECTED AMINES BEING DESTRUCTIVE IN THEMSELVES OF LEAFING AGENT ON THE SURFACES OF INDIVIDUAL FLAKES OF LEAFING ALUMINUM PIGMENTATION ON DIRECT CONTACT THEREWITH, AND THEREAFTER DISPERSING LEAFING ALUMINUM FLAKES IN THE SO-TREATED VEHICLES.
References Cited (Backward Citations)
US2234164A
Cited
GB483814A
Cited
US2178181A
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US2522538A
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GB665709A
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US2587267A
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US2904525A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-04-15 | 1966-10-15 | 1967-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-15 | 1970-10-15 | 1971-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-15 | 1974-10-15 | 1975-04-16 | $7700.00 | Window Closed / Lapsed |