US2701209A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Plastic lime of enhanced hoddability
Assignee: United States Gypsum Co
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Filing: 1951-03-17
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Granted: 1955-02-01
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Expires: 1971-03-17
Abstract
No abstract record available.
Inventors
- 👤 Harry N Huntzicker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 15:36
CPC Classifications
C; C04; C04B; C04B2/00; C04B2/02; C04B2/04; C04B2/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
76 words
PROCESS OF PRODUCING A HYDRATED LIME OF ENHANCED HODDABILITY WHICH COMPRISES HYDRATING DOLOMITIC QUICKLIME UNDER SUPERATMOSPHERIC PRESSURE BY MEANS OF SUFFICIENT WATER TO CONVERT SUBSTANTIALLY ALL OF THE CALCIUM OXIDE OF SAID QUICKLIME AND A CONSIDERABLE PORTION OF THE MAGNESIUM OXIDE THEREOF INTO THEIR RESPECTIVE HYDRATES, WHILE IN ADMIXTURE WITH FROM ABOUT 0.25% TO ABOUT 15% BY WEIGHT OF A SILICEOUS MATERIAL CAPABLE OF REACTING WITH THE CALCIUM AND MAGNESIUM OXIDE COMPONENTS OF THE DOLOMITIC QUICKLIME.
Claim 2
Dependent Claim
76 words
PROCESS OF PRODUCING A HYDRATED LIME OF ENHANCED HODDABILITY WHICH COMPRISES HYDRATING DOLOMITIC QUICKLIME UNDER SUPERATMOSPHERIC PRESSURE BY MEANS OF SUFFICIENT WATER TO CONVERT SUBSTANTIALLY ALL OF THE CALCIUM OXIDE OF SAID QUICKLIME AND A CONSIDERABLE PORTION OF THE MAGNESIUM OXIDE THEREOF INTO THEIR RESPECTIVE HYDRATES, WHILE IN ADMIXTURE WITH FROM ABOUT 0.25% TO ABOUT 15% BY WEIGHT OF A SILICEOUS MATERIAL CAPABLE OF REACTING WITH THE CALCIUM AND MAGNESIUM OXIDE COMPONENTS OF THE DOLOMITIC QUICKLIME.
References Cited (Backward Citations)
US1284505A
Cited
US1249997A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-01-31 | 1958-08-02 | 1959-02-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-01-31 | 1962-08-02 | 1963-02-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-01-31 | 1966-08-02 | 1967-02-01 | $7700.00 | Window Closed / Lapsed |