US4593014A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalyst support compositions
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1985-01-22
•
Granted: 1986-06-03
•
Expires: 2005-01-22
Abstract
Abstract Disclosed are catalyst support compositions comprised of alumina and titania at a weight ratio of about 0.3:1 to 1:0.3 respectively, and solid porous particles.
Inventors
- 👤 Albert P. Halluin
- 👤 Allan E. Barnett
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 03:31
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/02; C07C5/10; B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/70; B01J23/74; B01J37/00; B01J37/02; B01J37/03; C07C5/03; B01J21/00; B01J21/06; B01J21/063; B01J21/12; B01J23/755; C07C2521/00; C07C2521/12; C07C2523/00; C07C2523/70; C07C2523/74; C07C2523/75; C07C2523/755
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
37 words
A catalyst support composition consisting essentially of alumina and titania at a weight ratio of about 0.3:1 to 1:0.3 respectively, and solid porous particles selected from the group of kieselguhr, infusorial earth, diatomaceous earth, and siliceous earth.
Claim 2
Dependent Claim
37 words
A catalyst support composition consisting essentially of alumina and titania at a weight ratio of about 0.3:1 to 1:0.3 respectively, and solid porous particles selected from the group of kieselguhr, infusorial earth, diatomaceous earth, and siliceous earth.
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) | 1989-06-02 | 1989-12-02 | 1990-06-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-02 | 1993-12-02 | 1994-06-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-02 | 1997-12-02 | 1998-06-03 | $7700.00 | Window Closed / Lapsed |