US2622987A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating composition and the vehicle therefor containing a compound of a clay and an onium base
Assignee: NL Industries Inc
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Filing: 1951-04-10
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Granted: 1952-12-23
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Expires: 1971-04-10
Abstract
No abstract record available.
Inventors
- 👤 George L Ratcliffe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 18:53
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/44; C09; C09D; C09D7/00; C09D7/40; C09D7/43; C08; C08K; C08K3/00; C08K3/34; C08K3/346
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
72 words
A PAINT, COMPRISING A PIGMENT BASE SUSPENDED IN AN ORGANIC PAINT VEHICLE TOGETHER WITH A SUSPENDING MEDIUM EMBODYING A CATION MODIFIED CLAY, ORIGINALLY EXHIBITING A SUBSTANITAL BASEEXCHANGE CAPACITY, IN WHICH THE CLAY CATION HAS BEEN REPLACED BY A SUBSTITUTED CATON OF THE CLASS OF ONIUM BASES CONSISTING OF AMMONIUM, PHOSNIUM AND TELLURONIUM, ARSONIUM, STIBONIUM, OXONIUM AND TELLURONIUM BASES, AND WHICH FORMS A GEL IN THE VEHICLE AND HAS A SUBSTANTIALGEL CHARACTERISTIC THEREIN.
Claim 2
Dependent Claim
72 words
A PAINT, COMPRISING A PIGMENT BASE SUSPENDED IN AN ORGANIC PAINT VEHICLE TOGETHER WITH A SUSPENDING MEDIUM EMBODYING A CATION MODIFIED CLAY, ORIGINALLY EXHIBITING A SUBSTANITAL BASEEXCHANGE CAPACITY, IN WHICH THE CLAY CATION HAS BEEN REPLACED BY A SUBSTITUTED CATON OF THE CLASS OF ONIUM BASES CONSISTING OF AMMONIUM, PHOSNIUM AND TELLURONIUM, ARSONIUM, STIBONIUM, OXONIUM AND TELLURONIUM BASES, AND WHICH FORMS A GEL IN THE VEHICLE AND HAS A SUBSTANTIALGEL CHARACTERISTIC THEREIN.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |