Patent US3189633A successfully refreshed from Google Patents.
US3189633A
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2, 6, 7-trioxa-1-phosphabicyclo [2.2.2] octane sulfo-oxo, and seleno derivatives and process for making same
Assignee: PPG Industries Inc
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Filing: 1960-09-20
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Granted: 1965-06-15
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Expires: 1980-09-20
Abstract
No abstract record available.
Inventors
- 👤 Chang Wen-Hsuan
- 👤 Wismer Marco
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 15:20
CPC Classifications
C; C07; C07F; C07F9/00; C07F9/02; C07F9/547; C07F9/6564; C07F9/6571; C07F9/6574; C07F9/65748; C07F9/657109; C07F9/657145; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/527; C08K5/5398
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 2
Dependent Claim
5 words
A COMPOUND HAVING THE FORMULA
Claim 3
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 4
Dependent Claim
5 words
A COMPOUND OF THE FORMULA
Claim 5
Independent Claim
9 words
THE METHOD OF FORMING A COMPOUND OF THE FORMULA
Claim 6
Independent Claim
9 words
THE METHOD OF FORMING A COMPOUND OF THE FORMULA
Claim 7
Independent Claim
9 words
THE METHOD OF FORMING A COMPOUND OF THE FORMULA:
Claim 8
Independent Claim
9 words
THE METHOD OF FORMING A COMPOUND OF THE FORMULA:
References Cited (Backward Citations)
US2643261A
Cited
US2903474A
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US2894974A
Cited
US2894016A
Cited
US3000850A
Cited
US3038001A
Cited
US3033888A
Cited
US3033887A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-06-14 | 1968-12-14 | 1969-06-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-06-14 | 1972-12-14 | 1973-06-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-06-14 | 1976-12-14 | 1977-06-15 | $7700.00 | Window Closed / Lapsed |