Patent US3873591A successfully refreshed from Google Patents.
US3873591A
Expired / Lapsed
US
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Halo-substituted cyanomethyl benzenesulfonates
Assignee: Arkema Inc
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Filing: 1973-07-05
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Granted: 1975-03-25
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Expires: 1993-07-05
Abstract
Abstract WHERE X is halogen and n is an integer of 1 to 3, are useful to protect substrates against fungal and bacterial growth. Substituted cyanomethyl benzene sulfonates of the formula
Inventors
- 👤 Herbert Q Smith
- 👤 Sameeh Said Toukan
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 07:51
CPC Classifications
C; C07; C07D; C07D333/00; C07D333/02; C07D333/04; C07D333/26; C07D333/30; C07D333/34; C07C; C07C309/00
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
7 words
A HALO-SUBSTITUTED CYANOMETHYL BENZENESULFONATE OF THE FORMULA
Claim 2
Dependent Claim
7 words
A HALO-SUBSTITUTED CYANOMETHYL BENZENESULFONATE OF THE FORMULA
Claim 3
Dependent Claim
7 words
A halo-substituted cyanomethyl benzenesulfonate of the formula
Claim 4
Dependent Claim
7 words
A halo-substituted cyanomethyl benzenesulfonate of the formula
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-03-24 | 1978-09-23 | 1979-03-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-03-24 | 1982-09-23 | 1983-03-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-03-24 | 1986-09-23 | 1987-03-25 | $7700.00 | Window Closed / Lapsed |