US4101332A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized mixture
Assignee: Nicholson Realty Ltd
•
Filing: 1977-02-04
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Granted: 1978-07-18
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Expires: 1997-02-04
Abstract
Abstract A mixture consisting essentially of fly ash and cement kiln dust which reacts at ambient temperature with water to produce a durable mass.
Inventors
- 👤 John Patrick Nicholson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 23:54
CPC Classifications
C; C04; C04B; C04B18/00; C04B18/04; C04B18/16; C04B18/162; C04B28/00; C04B28/02; C04B28/021; C04B28/18; C04B7/00; C04B7/24; Y; Y02; Y02P; Y02P40/00; Y02P40/10; Y02W; Y02W30/00; Y02W30/50; Y02W30/91; Y10; Y10S; Y10S106/00; Y10S106/01; Y10S588/00; Y10S588/901
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
11 words
A mixture consisting essentially of fly ash and cement kiln dust.
Claim 2
Dependent Claim
11 words
A mixture consisting essentially of fly ash and cement kiln dust.
Claim 3
Dependent Claim
13 words
The mixture set forth in claim 1 including an amount of portland cement.
Claim 4
Dependent Claim
28 words
The mixture set forth in claim 1 wherein said cement kiln dust comprises about 12% by dry weight and said fly ash comprises about 88% by dry weight.
Claim 5
Independent Claim
26 words
The method which comprises mixing fly ash, cement kiln dust and water and permitting the mixture to react at ambient temperatures to produce a durable mass.
Claim 6
Independent Claim
26 words
The method which comprises mixing fly ash, cement kiln dust and water and permitting the mixture to react at ambient temperatures to produce a durable mass.
Claim 7
Dependent Claim
48 words
The method set forth in claim 4 wherein said fly ash comprises about 12% by dry weight of the total of fly ash and cement kiln dust and the cement kiln dust comprises about 88% by dry weight of the total of fly ash and cement kiln dust.
Claim 8
Dependent Claim
12 words
The mixture set forth in claim 1 including about 1% portland cement.
Claim 9
Dependent Claim
15 words
The mixture set forth in claim 1 wherein the fly ash comprises the major constituent.
Claim 10
Dependent Claim
21 words
The method set forth in claim 4 including mixing about 1% portland cement with said fly ash and cement kiln dust.
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) | 1981-07-17 | 1982-01-16 | 1982-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-07-17 | 1986-01-16 | 1986-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-07-17 | 1990-01-16 | 1990-07-18 | $7700.00 | Window Closed / Lapsed |