Patent US3022331A successfully refreshed from Google Patents.
US3022331A
Expired / Lapsed
US
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Aryl phosphates
Assignee: Coalite and Chemical Products Ltd
•
Filing: 1958-07-02
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Granted: 1962-02-20
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Expires: 1978-07-02
Abstract
No abstract record available.
Inventors
- 👤 Herbert F Bondy
- 👤 John Gumb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 22:37
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/49; C08K5/51; C08K5/52; C08K5/521; C08K5/523; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/08; C07F9/09; C07F9/12; C08K5/53
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
36 words
IN A PRCESS OF REACTING PHOSHATING AGENTS WITH XYLENE FRACTIONS, THE IMPROVEMENT OF PRODUCING NONTOXIC TRIARYL PHOSHATE PLASTICIZERS WHICH COMPRISES USING AS A STARTING MATEARIAL XYLENOL FRACTIONS WHICH ARE FREE FROM ORTHO-CRESOL, MONO-ORTHO-ETHYL PHENOL AND MONOORTHO-PROPYLPHENOL.
Claim 2
Dependent Claim
36 words
IN A PRCESS OF REACTING PHOSHATING AGENTS WITH XYLENE FRACTIONS, THE IMPROVEMENT OF PRODUCING NONTOXIC TRIARYL PHOSHATE PLASTICIZERS WHICH COMPRISES USING AS A STARTING MATEARIAL XYLENOL FRACTIONS WHICH ARE FREE FROM ORTHO-CRESOL, MONO-ORTHO-ETHYL PHENOL AND MONOORTHO-PROPYLPHENOL.
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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) | 1965-02-19 | 1965-08-21 | 1966-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-02-19 | 1969-08-21 | 1970-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-02-19 | 1973-08-21 | 1974-02-20 | $7700.00 | Window Closed / Lapsed |