Patent US4525307A successfully refreshed from Google Patents.
US4525307A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Modified aluminum tri-alkoxide compounds
Assignee: Bayer CropScience Inc USA
•
Filing: 1983-08-02
•
Granted: 1985-06-25
•
Expires: 2003-08-02
Abstract
Abstract What are disclosed are aluminum isopropoxides modified for stability and improved flash point and useful in inks and as gellants for coatings, varnishes, paints and the like.
Inventors
- 👤 Charles E. Pratt
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:54
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/28; C07C31/32
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
30 words
A modified aluminum tri-isopropoxide compound wherein about 0.125 to about 0.50 mole of isopropoxide, per atom of aluminum, is replaced with a C 6 - to C 18 - alkoxide.
Claim 2
Dependent Claim
30 words
A modified aluminum tri-isopropoxide compound wherein about 0.125 to about 0.50 mole of isopropoxide, per atom of aluminum, is replaced with a C 6 - to C 18 - alkoxide.
Claim 3
Dependent Claim
20 words
The compound as in claim 1 wherein the replacing alkoxide is a C 8 - to C 15 - alkoxide.
Claim 4
Dependent Claim
20 words
The compound as in claim 1 wherein the replacing alkoxide is a C 10 - to C 15 - alkoxide.
Claim 5
Dependent Claim
19 words
The compound as in claim 1 wherein the C 6 - to C 18 - alkoxide is tridecyl alkoxide.
Claim 6
Dependent Claim
30 words
The compound as in claim 1 wherein the C 6 - to C 18 - alkoxide is present in an amount from 0.175 to 0.45 mole per atom of aluminum.
Claim 7
Dependent Claim
30 words
The compound as in claim 1 wherein the C 6 - to C 18 - alkoxide is present in an amount from 0.25 to 0.45 mole per atom of aluminum.
Claim 8
Dependent Claim
19 words
The compound as in claim 6 where the C 6 - to C 18 - moiety is tridecyl alkoxide.
Claim 9
Dependent Claim
22 words
A solution containing from 50 to 95 percent by weight of a compound as in claim 1 dissolved in a hydrocarbon solvent.
Claim 10
Dependent Claim
17 words
A solution as in claim 8 containing from 50 to 80 percent by weight of said compound.
Claim 11
Dependent Claim
14 words
A solution as in claim 8 wherein said solvent is an aliphatic hydrocarbon solvent.
Claim 12
Dependent Claim
30 words
A solution as in claim 8 wherein said solvent is a petroleum derived naphthenic or paraffinic hydrocarbon having a viscosity from about 35 to about 50,000 SUS at 100° F.
Claim 13
Dependent Claim
30 words
A solution as in claim 8 wherein said solvent is a petroleum derived aliphatic hydrocarbon having a boiling range in the range from about 350° F. to about 650° F.
References Cited (Backward Citations)
US2687423A
Cited
US2845447A
Cited
US3068263A
Cited
US3006941A
Cited
US3305571A
Cited
US3651131A
Cited
US4132724A
Cited
US3905936A
Cited
US3920713A
Cited
US4052428A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1988-06-24 | 1988-12-24 | 1989-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-06-24 | 1992-12-24 | 1993-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-06-24 | 1996-12-24 | 1997-06-25 | $7700.00 | Window Closed / Lapsed |