US3329628A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Synthetic zeolites
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-04-19
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Granted: 1967-07-04
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Expires: 1983-04-19
Abstract
No abstract record available.
Inventors
- 👤 Gladrow Elroy Merle
- 👤 Mattox William Judson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 16:09
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/084; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; C; C01; C01B; C01B33/00; C01B33/20; C01B33/26; C01B33/28; C01B33/2807; C01B33/2838; C01B33/2853; B01J2229/00; B01J2229/30; B01J2229/42; Y; Y10; Y10S; Y10S423/00; Y10S423/21
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
104 words
AN IMPROVED PROCESS FOR PREPARING CRYSTALLINE ALUMINO-SILICATE ZEOLITE HAVING UNIFORMLY DIMENSIONED PORES AND EMBEDDED IN A SILICA-METAL OXIDE COGEL MATRIX WHICH COMPRISES CRYSTALLIZING SAID ZEOLITE FROM AN AQUEOUS REACTION MIXTURE CONTAINING SILICA, ALUMINA, AND SODIUM OXIDE, AT ELEVATED TEMPERATURE TO FORM A PRODUCT SLURRY MIXTURE COMPRISING ZEOLITE PRODUCT CRYSTALS AND MOTHER LIQUOR; ADMIXING SAID PRODUCT SLURRY MIXTURE WITH AN AQUEOUS COGEL SLURRY COMPRISING A COGEL OF HYDROUS SILICA AND AT LEAST ONE OTHER HYDROUS METAL OXIDE TO FORM A FLUID ADMIXTURE; AND SUBJECTING SAID FLUID ADMIXTURE TO A RAPID DRYING OPERATION TO FORM A COMPOSITE MATERIAL COMPRISING SAID ZEOLITE EMBEDDED IN SAID COGEL MATRIX.
Claim 2
Dependent Claim
104 words
AN IMPROVED PROCESS FOR PREPARING CRYSTALLINE ALUMINO-SILICATE ZEOLITE HAVING UNIFORMLY DIMENSIONED PORES AND EMBEDDED IN A SILICA-METAL OXIDE COGEL MATRIX WHICH COMPRISES CRYSTALLIZING SAID ZEOLITE FROM AN AQUEOUS REACTION MIXTURE CONTAINING SILICA, ALUMINA, AND SODIUM OXIDE, AT ELEVATED TEMPERATURE TO FORM A PRODUCT SLURRY MIXTURE COMPRISING ZEOLITE PRODUCT CRYSTALS AND MOTHER LIQUOR; ADMIXING SAID PRODUCT SLURRY MIXTURE WITH AN AQUEOUS COGEL SLURRY COMPRISING A COGEL OF HYDROUS SILICA AND AT LEAST ONE OTHER HYDROUS METAL OXIDE TO FORM A FLUID ADMIXTURE; AND SUBJECTING SAID FLUID ADMIXTURE TO A RAPID DRYING OPERATION TO FORM A COMPOSITE MATERIAL COMPRISING SAID ZEOLITE EMBEDDED IN SAID COGEL MATRIX.
Claim 3
Dependent Claim
18 words
THE PROCESS OF CLAIM 1 WHEREIN SAID OTHER HYDROUS METAL OXIDE IN SAID AQUEOUS COGEL SLURRY IS ALUMINA.
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) | 1970-07-03 | 1971-01-02 | 1971-07-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-03 | 1975-01-02 | 1975-07-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-03 | 1979-01-02 | 1979-07-04 | $7700.00 | Window Closed / Lapsed |