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Styrene compounds
Assignee: Novartis Corp
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Filing: 1975-08-06
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Granted: 1977-05-10
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Expires: 1995-08-06
Abstract
Abstract Styrene compounds of the formula ##STR1## wherein Q denotes one of the ring systems of the formulae ##STR2## wherein M represents oxygen or sulphur, Z represents hydrogen, lower alkyl or phenyl and n represents the number 1 or 2 and the rings A and B can each contain 1 to 3 non-chromophoric substituents.
Inventors
- 👤 Geza Kormany
- 👤 Guglielmo Kabas
- 👤 Hans Schlapfer
- 👤 Adolf Emil Siegrist
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 08:25
CPC Classifications
C; C07; C07D; C07D249/00; C07D249/02; C07D249/04; C07D249/06
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
66 words
Styrene compounds of the formula ##STR30## wherein R 1 denotes hydrogen, chlorine, alkyl with 1 to 4 carbon atoms, phenylalkyl with 7 to 9 carbon atoms, phenyl, cyclohexyl or alkoxy with 1 to 4 carbon atoms, R 2 and R 3 independently of one another denote hydrogen or methyl, M denotes oxygen or sulphur, Z denotes hydrogen, methyl or phenyl and X denotes hydrogen or chlorine.
Claim 2
Dependent Claim
66 words
Styrene compounds of the formula ##STR30## wherein R 1 denotes hydrogen, chlorine, alkyl with 1 to 4 carbon atoms, phenylalkyl with 7 to 9 carbon atoms, phenyl, cyclohexyl or alkoxy with 1 to 4 carbon atoms, R 2 and R 3 independently of one another denote hydrogen or methyl, M denotes oxygen or sulphur, Z denotes hydrogen, methyl or phenyl and X denotes hydrogen or chlorine.
Claim 3
Dependent Claim
32 words
Styrene compounds of the formula ##STR31## wherein R 1 ' denotes hydrogen, chlorine, methyl, phenyl, benzyl, cyclohexyl or methoxy, R 2 ' denotes hydrogen or methyl and M denotes oxygen or sulphur.
Claim 4
Dependent Claim
32 words
Styrene compounds of the formula ##STR31## wherein R 1 ' denotes hydrogen, chlorine, methyl, phenyl, benzyl, cyclohexyl or methoxy, R 2 ' denotes hydrogen or methyl and M denotes oxygen or sulphur.
Claim 5
Dependent Claim
36 words
Styrene compounds according to claim 1 of the formula ##STR32## wherein R 1 ' denotes hydrogen, chlorine, methyl, benzyl, phenyl, cyclohexyl or methoxy, R 2 ' denotes hydrogen or methyl and M denotes oxygen or sulphur.
Claim 6
Dependent Claim
10 words
The compound according to claim 2 of the formula ##STR33##
Claim 7
Dependent Claim
10 words
The compound according to claim 3 of the formula ##STR34##
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-05-09 | 1980-11-08 | 1981-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-05-09 | 1984-11-08 | 1985-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-05-09 | 1988-11-08 | 1989-05-10 | $7700.00 | Window Closed / Lapsed |