US4549008A
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Novel tetraglycidyl ethers
Assignee: Novartis Corp
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Filing: 1984-08-13
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Granted: 1985-10-22
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Expires: 2004-08-13
Abstract
Abstract Novel tetraglycidyl ethers of the formula <IMAGE> (I) wherein X is a group <IMAGE> R is hydrogen or methyl, and n is an integer from 2 to 4. The novel tetraglycidyl ethers can be used in curable mixtures, together with a curing agent for epoxide resins, in particular for the protection of surfaces.
Inventors
- 👤 Alfred Renner
- 👤 Peter Grutter
- 👤 Rolf Hugi
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 04:42
CPC Classifications
C; C07; C07D; C07D303/00; C07D303/02; C07D303/12; C07D303/18; C07D303/20; C07D303/24; C08; C08G; C08G59/00; C08G59/18; C08G59/20; C08G59/32; C08G59/3218
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
28 words
A tetraglycidyl ether of the formula I ##STR8## wherein X is a group ##STR9## R is hydrogen or methyl, and n is an integer from 2 to 4.
Claim 2
Dependent Claim
28 words
A tetraglycidyl ether of the formula I ##STR8## wherein X is a group ##STR9## R is hydrogen or methyl, and n is an integer from 2 to 4.
Claim 3
Dependent Claim
13 words
A tetraglycidyl ether according to claim 1, wherein X is the group ##STR10##
Claim 4
Dependent Claim
11 words
A tetraglycidyl ether according to claim 1, wherein R is hydrogen.
Claim 5
Dependent Claim
13 words
A tetraglycidyl ether according to claim 1, wherein n is 2 or 3.
Claim 6
Dependent Claim
14 words
A tetraglycidyl ether according to claim 1, which is the tetraglycidyl ether of 2,2,6,6-tetramethylolcyclohexanol.
Claim 7
Dependent Claim
14 words
A tetraglycidyl ether according to claim 1, which is the tetraglycidyl ether of 2,2,6,6-tetramethylolcyclohexanone.
Claim 8
Dependent Claim
14 words
A tetraglycidyl ether according to claim 1, which is the tetraglycidyl ether of 2,2,5,5-tetramethylolcyclopentanone.
Claim 9
Dependent Claim
14 words
A tetraglycidyl ether according to claim 1, which is the tetraglycidyl ether of 4-methyl-2,2,6,6-tetramethylolcyclohexanol.
Claim 10
Dependent Claim
18 words
A curable mixture containing a tetraglycidyl ether according to claim 1, and a curing agent for epoxide resins.
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) | 1988-10-21 | 1989-04-22 | 1989-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1992-10-21 | 1993-04-22 | 1993-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1996-10-21 | 1997-04-22 | 1997-10-22 | $7700.00 | Window Closed / Lapsed |