US3907848A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Organic titanium and silicon containing compounds
Assignee: Imperial Chemical Industries Ltd
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Filing: 1973-07-20
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Granted: 1975-09-23
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Expires: 1993-07-20
Abstract
Abstract wherein R1, R2 and R3 are selected from the group consisting of organic groups and organosilicon groups, R4 and R5 each have not more than 20 carbon atoms and are selected from the group consisting of alkoxy, alkenoxy, acyloxy, trialkylsiloxy groups and groups capable of forming a co-ordinate bond with titanium by donating two electrons from constituent oxygen, nitrogen or sulphur, R6 has not more than 20 carbon atoms and is selected from the group consisting of alkoxy, alkenoxy, acyloxy and trialkylsiloxy groups and groups of the general formula: and R is a divalent organic group. Compounds of the general formula:
Inventors
- 👤 Ian Ferguson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 04:11
CPC Classifications
B; B29; B29C; B29C33/00; B29C33/56; B29C33/60; B29C33/62; B29C33/64; C; C07; C07F; C07F7/00; C07F7/02; C07F7/08; C07F7/0803; C07F7/28; C08; C08G; C08G77/00; C08G77/04; C08G77/38; C08G77/382; C08G77/398; Y; Y10; Y10S; Y10S528/00; Y10S528/901
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
5 words
A COMPOUND OF THE FROMULA
Claim 2
Dependent Claim
5 words
A COMPOUND OF THE FROMULA
Claim 3
Dependent Claim
4 words
Compounds of the formula
Claim 4
Dependent Claim
4 words
Compounds of the formula
Claim 5
Dependent Claim
18 words
Compounds of claim 2 wherein R6 is alkoxy selected from the group consisting of isopropoxy, butoxy and octoxy.
Claim 6
Dependent Claim
21 words
Compounds according to claim 1 wherein the alkoxy group is selected from the group consisting of isopropoxy, butoxy and octoxy groups.
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) | 1978-09-22 | 1979-03-24 | 1979-09-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-22 | 1983-03-24 | 1983-09-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-22 | 1987-03-24 | 1987-09-23 | $7700.00 | Window Closed / Lapsed |