US2882186A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyamide coating composition dissolved in heated azeotropic mixture of 2-chloro-ethanol and water and method of application
Assignee: Akzona Inc
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Filing: 1956-11-15
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Granted: 1959-04-14
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Expires: 1976-11-15
Abstract
No abstract record available.
Inventors
- 👤 Schonberg Endre
- 👤 Wilbrink Karel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 17:48
CPC Classifications
C; C08; C08J; C08J3/00; C08J3/02; C08J3/03; B; B32; B32B; B32B15/00; B32B15/04; B32B15/08; B32B27/00; D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/59; D21; D21H; D21H19/00; D21H19/10; D21H19/14; D21H19/24; D21H19/30; H; H01; H01B; H01B3/00; H01B3/18; H01B3/30; H01B3/307; C08J2377/00; C08J2377/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS OF COATING A BASE MATERIAL WITH SYNTHETIC LINEAR POLYAMIDE WHICH COMPRISES DISSOLVING BETWEEN ABOUT 5 AND 20% OF SAID POLYAMIDE INTO A HEATED AZEOTROPIC MIXTURE OF 2-CHLORO-ETHANOL AND WATER, SAID MIXTURE HAVING A TEMPERATURE OF AT LEAST 80* C., APPLYING A SUFFICIENT AMOUNT OF THE RESULTING WARM SOLUTION OF POLYAMIDE TO A BASE MATERIAL TO FORM A SURFACE FILM, AND THEREAFTER SUBSTANTIALLY REMOVING THE VOLATILE COMPONENTS THEREFROM, THEREBY PRODUCING A SMOOTH CONTINUOUS FILM.
Claim 2
Dependent Claim
75 words
A PROCESS OF COATING A BASE MATERIAL WITH SYNTHETIC LINEAR POLYAMIDE WHICH COMPRISES DISSOLVING BETWEEN ABOUT 5 AND 20% OF SAID POLYAMIDE INTO A HEATED AZEOTROPIC MIXTURE OF 2-CHLORO-ETHANOL AND WATER, SAID MIXTURE HAVING A TEMPERATURE OF AT LEAST 80* C., APPLYING A SUFFICIENT AMOUNT OF THE RESULTING WARM SOLUTION OF POLYAMIDE TO A BASE MATERIAL TO FORM A SURFACE FILM, AND THEREAFTER SUBSTANTIALLY REMOVING THE VOLATILE COMPONENTS THEREFROM, THEREBY PRODUCING A SMOOTH CONTINUOUS FILM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |