US2809950A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Curable dispersions of chlorosulfonated ethylene polymers and process of coating with same
Assignee: EIDP Inc
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Filing: 1955-06-10
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Granted: 1957-10-15
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Expires: 1975-06-10
Abstract
No abstract record available.
Inventors
- 👤 Iii George Henry Bowers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:15
CPC Classifications
C; C08; C08K; C08K3/00; C08K3/18; C08K3/20; C08K3/22; C08K5/00; C08K5/04; C08K5/09; C08K5/098
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS FOR PRODUCING A CHLOROSULFONATED POLYETHYLENE COATING AT A TEMPERATURE WITHIN THE RANGE OF 5* TO 40* C., WHICH PROCESS COMPRISES APPLYING, OVER A SURFACE TO FORM A COATING AN AQUEOUS ALKALINE DISPERSION OF A CHLOROSULFONATED POLYETHYLENE CONTAINING A DISPERSED POLYVALENT METAL COMPOUND CURING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYVALENT METAL OXIDES, POLYVALENT METAL HYDROXIDES AND POLYVALENT METAL SALTS OF WEAK ACIDS, SAID SALTS HAVING AN IONIZATION CONSTANT OF LESS THAN 1X10-3 AND A DISPERSED OPACIFYING PIGMENT.
Claim 2
Dependent Claim
80 words
A PROCESS FOR PRODUCING A CHLOROSULFONATED POLYETHYLENE COATING AT A TEMPERATURE WITHIN THE RANGE OF 5* TO 40* C., WHICH PROCESS COMPRISES APPLYING, OVER A SURFACE TO FORM A COATING AN AQUEOUS ALKALINE DISPERSION OF A CHLOROSULFONATED POLYETHYLENE CONTAINING A DISPERSED POLYVALENT METAL COMPOUND CURING AGENT SELECTED FROM THE GROUP CONSISTING OF POLYVALENT METAL OXIDES, POLYVALENT METAL HYDROXIDES AND POLYVALENT METAL SALTS OF WEAK ACIDS, SAID SALTS HAVING AN IONIZATION CONSTANT OF LESS THAN 1X10-3 AND A DISPERSED OPACIFYING PIGMENT.
References Cited (Backward Citations)
US2416061A
Cited
US2630398A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-10-14 | 1961-04-15 | 1961-10-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-10-14 | 1965-04-15 | 1965-10-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-10-14 | 1969-04-15 | 1969-10-15 | $7700.00 | Window Closed / Lapsed |