US3058845A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for metallizing polyacrylonitrile shaped article by treating with a water soluble metal salt and reducing the salt to the free metal
Assignee: EIDP Inc
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Filing: 1959-06-23
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Granted: 1962-10-16
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Expires: 1979-06-23
Abstract
No abstract record available.
Inventors
- 👤 Hendricks Robert William
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 14:44
CPC Classifications
C; C23; C23C; C23C18/00; C23C18/16; C23C18/52; C23C18/31; C23C18/42; C23C18/44; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
139 words
A PROCESS FOR METALLIZING A SHAPED ARTICLE COMPRISING THE STEPS, IN SEQUENCE, OF IMPREGNATING AND COATING A HIGH MOLECULAR WEIGHT ACRYLONITRILE POLYMER SHAPED ARTICLE WITH AN AQUEOUS SOLUTION OF AT LEAST ONE WATERSOLUBLE METAL SALT, SAID WATER-SOLUTION METAL SALT IMPREGNATING SAID ARTICLE TO AN EXTENT WITHIN THE RANGE OF ABOUT 1-50% OF THE THICKNESS OF SAID ARTICLE AND BEING SOLUBLE TO THE EXTENT OF AT LEAST ONE MOLE PERCENT IN WATER AT 20* C. AND SAID WATER-SOLUBLE METAL SALT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE COBALT SALTS, COPPER SALTS, IRON SALTS, LEAD SALTS, NICKEL SALTS AND SILVER SALTS; REDUCING SAID WATER-SOLUBLE METAL SALT TO WATER-INSOLUBLE PARTICLES OF THE FREE METAL OF SAID SOLUBLE SALT, THE CONCENRATION OF SAID PARTICLES RANGING FROM ABOUT 05-65% BY WEIGHT BASED ON THE FINISHED ARTICLE; AND, THEREAFTER, DRYING THE PARTICLE-CONTAINING POLYMER SHAPED ARTICLE.
Claim 2
Dependent Claim
139 words
A PROCESS FOR METALLIZING A SHAPED ARTICLE COMPRISING THE STEPS, IN SEQUENCE, OF IMPREGNATING AND COATING A HIGH MOLECULAR WEIGHT ACRYLONITRILE POLYMER SHAPED ARTICLE WITH AN AQUEOUS SOLUTION OF AT LEAST ONE WATERSOLUBLE METAL SALT, SAID WATER-SOLUTION METAL SALT IMPREGNATING SAID ARTICLE TO AN EXTENT WITHIN THE RANGE OF ABOUT 1-50% OF THE THICKNESS OF SAID ARTICLE AND BEING SOLUBLE TO THE EXTENT OF AT LEAST ONE MOLE PERCENT IN WATER AT 20* C. AND SAID WATER-SOLUBLE METAL SALT SELECTED FROM THE GROUP CONSISTING OF WATER-SOLUBLE COBALT SALTS, COPPER SALTS, IRON SALTS, LEAD SALTS, NICKEL SALTS AND SILVER SALTS; REDUCING SAID WATER-SOLUBLE METAL SALT TO WATER-INSOLUBLE PARTICLES OF THE FREE METAL OF SAID SOLUBLE SALT, THE CONCENRATION OF SAID PARTICLES RANGING FROM ABOUT 05-65% BY WEIGHT BASED ON THE FINISHED ARTICLE; AND, THEREAFTER, DRYING THE PARTICLE-CONTAINING POLYMER SHAPED ARTICLE.
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) | 1965-10-15 | 1966-04-16 | 1966-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-10-15 | 1970-04-16 | 1970-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-10-15 | 1974-04-16 | 1974-10-16 | $7700.00 | Window Closed / Lapsed |