Patent US3037054A successfully refreshed from Google Patents.
US3037054A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of trichlorobenzoic acid
Assignee: Heyden Newport Chemical Corp
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Filing: 1958-09-17
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Granted: 1962-05-29
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Expires: 1978-09-17
Abstract
No abstract record available.
Inventors
- 👤 Bella Eugene P Di
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:44
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/27; C07C51/275; Y; Y10; Y10S; Y10S204/00; Y10S204/902; Y10S204/903
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR THE PRODUCTION OF POLYCHLOROBENZOIC ACID COMPRISING OXIDIZING POLYCHLOROTOLUENE AT A TEMPERATURE BETWEEN APPROXIMATELY 150*C. AND APPROXIMATELY 230*C. AND UNDER SUBSTANTIALLY ATMOSPHERIC PRESSURE WITH AT LEAST THE STOICHIOMETRIC AMOUNT OF CONCENTRATED NITRIC ACID IN THE PRESENCE OF CONCENTRATED PHOSPHORIC ACID IN THE AMOUNT OF APPROXIMATELY 0.8 MOLE TO 3.0 MOLES OF SAID PHOSPHORIC ACID PER MOLE OF SAID NITRIC ACID.
Claim 2
Dependent Claim
62 words
A PROCESS FOR THE PRODUCTION OF POLYCHLOROBENZOIC ACID COMPRISING OXIDIZING POLYCHLOROTOLUENE AT A TEMPERATURE BETWEEN APPROXIMATELY 150*C. AND APPROXIMATELY 230*C. AND UNDER SUBSTANTIALLY ATMOSPHERIC PRESSURE WITH AT LEAST THE STOICHIOMETRIC AMOUNT OF CONCENTRATED NITRIC ACID IN THE PRESENCE OF CONCENTRATED PHOSPHORIC ACID IN THE AMOUNT OF APPROXIMATELY 0.8 MOLE TO 3.0 MOLES OF SAID PHOSPHORIC ACID PER MOLE OF SAID NITRIC ACID.
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |