US3290164A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Clay coated with haloalkyl phosphorus ester and polyester resins containing the same
Assignee: Minerals and Chemicals Philipp Corp
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Filing: 1962-02-15
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Granted: 1966-12-06
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Expires: 1982-02-15
Abstract
No abstract record available.
Inventors
- 👤 Thomas H Ferrigno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 06:01
CPC Classifications
C; C04; C04B; C04B26/00; C04B26/02; C04B26/10; C04B26/18; C04B20/00; C04B20/10; C04B20/1018; C04B20/1022
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
KOALIN CLAY, THE PARTICLES OF WHICH ARE UNIFORMLY COATED WITH A SMALL AMOUNT OF A PHOSPHORUS ESTER MATERIALAL SELECTED FROM THE GROUP CONSISTING OF A TRI-CHLOROALKYL ESTER OF PHOSPHORIC ACID IN WHICH SAID ALKYL GROUP CONTAINS FROM 2 TO 3 CARBON ATOMS AND A TRI-CHLOROALKYL ESTER OF PHOSPHORUS ACID IN WHICH SAID ALKYL GOUP CONTAIN FROM 2 TO 3 CARBON ATOMS.
Claim 2
Dependent Claim
61 words
KOALIN CLAY, THE PARTICLES OF WHICH ARE UNIFORMLY COATED WITH A SMALL AMOUNT OF A PHOSPHORUS ESTER MATERIALAL SELECTED FROM THE GROUP CONSISTING OF A TRI-CHLOROALKYL ESTER OF PHOSPHORIC ACID IN WHICH SAID ALKYL GROUP CONTAINS FROM 2 TO 3 CARBON ATOMS AND A TRI-CHLOROALKYL ESTER OF PHOSPHORUS ACID IN WHICH SAID ALKYL GOUP CONTAIN FROM 2 TO 3 CARBON ATOMS.
References Cited (Backward Citations)
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Cited
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Cited
US3014836A
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US2948632A
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US2975147A
Cited
US3196190A
Cited
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-12-05 | 1970-06-06 | 1970-12-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-12-05 | 1974-06-06 | 1974-12-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-12-05 | 1978-06-06 | 1978-12-06 | $7700.00 | Window Closed / Lapsed |