US4085283A
Expired / Lapsed
US
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Phosphonate-isocyanurates
Assignee: DSM BV
•
Filing: 1976-04-19
•
Granted: 1978-04-18
•
Expires: 1996-04-19
Abstract
Abstract Flame retarding compounds are disclosed which are of the formula <IMAGE> wherein X is a phosphonate derivative.
Inventors
- 👤 Marinus J. A. M. den Otter
- 👤 Albert A. Van Geenen
- 👤 Anne Te Nijenhuis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:55
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/288; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/38; C07F9/40; C07F9/4003; C07F9/4006; C07F9/547; C07F9/6515; C07F9/6521; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/38; C08G18/3878; C08G18/3889; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/53; C08K5/5317; C08K5/5333; C08K5/5373; Y; Y10; Y10S; Y10S521/00; Y10S521/902
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
121 words
A compound of the formula ##STR8## in which each of X 1 , X 2 and X 3 is hydrogen, halogen, alkyl of up to 6 carbon atoms, --Y--P (O) (OR) (OR') or --Y--OH wherein Y is alkylene or alkyl- or halogen-substituted alkylene of 1 to 6 carbon atoms; or polyoxyalkylene wherein each oxyalkylene unit contains 1 to 3 carbon atoms and wherein said polyoxyalkylene contains 2 to 4 of said units; wherein each of R and R' is phenyl, or (cyclo)alkyl of 1 to 6 carbon atoms, or such phenyl, alkyl or cycloalkyl containing one or more halogen substituents; and in which at least one of said X 1 , X 2 or X 3 is --Y--P (O) (OR) (OR').
Claim 2
Dependent Claim
121 words
A compound of the formula ##STR8## in which each of X 1 , X 2 and X 3 is hydrogen, halogen, alkyl of up to 6 carbon atoms, --Y--P (O) (OR) (OR') or --Y--OH wherein Y is alkylene or alkyl- or halogen-substituted alkylene of 1 to 6 carbon atoms; or polyoxyalkylene wherein each oxyalkylene unit contains 1 to 3 carbon atoms and wherein said polyoxyalkylene contains 2 to 4 of said units; wherein each of R and R' is phenyl, or (cyclo)alkyl of 1 to 6 carbon atoms, or such phenyl, alkyl or cycloalkyl containing one or more halogen substituents; and in which at least one of said X 1 , X 2 or X 3 is --Y--P (O) (OR) (OR').
Claim 3
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR9##
Claim 4
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR10##
Claim 5
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR11##
Claim 6
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR12##
Claim 7
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR13##
Claim 8
Dependent Claim
9 words
The compound of claim 1 of the formula ##STR14##
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) | 1981-04-17 | 1981-10-17 | 1982-04-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-04-17 | 1985-10-17 | 1986-04-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-04-17 | 1989-10-17 | 1990-04-18 | $7700.00 | Window Closed / Lapsed |