US2606842A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Stabilized rosin size
Assignee: Hercules Powder Co
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Filing: 1947-10-25
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Granted: 1952-08-12
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Expires: 1967-10-25
Abstract
No abstract record available.
Inventors
- 👤 Charles C Price
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 19:33
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/01; D06M15/17; C; C08; C08K; C08K5/00; C08K5/16; C08K5/32; C11; C11D; C11D15/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A STABILIZED ROSIN SIZE RESISTANT TO OXIDATION COMPRISING, IN PARTICULATE FORM, A MEMBER SELECTED FROM THE GROUP CONSISTING OF ROSIN, SAPONIFIED ROSIN, AND MIXTURES THEREOF AND CONTAINING A STABILIZING AMOUNT OF ARYL NITRO COMPOUND SAID ARYL NITRO COMPOUND HAVING FROM 1 TO 3 NITRO GROUPS ATTACHED TO THE ARYL NUCLEUS AND WHICH MAY OBTAIN AS ADDITIONAL SUBSTITUENTS ONLY MEMBERS SELECTED FROM THE GROUP CONSISTING OF AMINO, PHENYL AND METHYL, THE NUCLEUS OF SAID ARYL COMPOUND BEING DERIVED FROM THE GROUP CONSISTING OF BENZENE AND NAPHTHALENE.
Claim 2
Dependent Claim
85 words
A STABILIZED ROSIN SIZE RESISTANT TO OXIDATION COMPRISING, IN PARTICULATE FORM, A MEMBER SELECTED FROM THE GROUP CONSISTING OF ROSIN, SAPONIFIED ROSIN, AND MIXTURES THEREOF AND CONTAINING A STABILIZING AMOUNT OF ARYL NITRO COMPOUND SAID ARYL NITRO COMPOUND HAVING FROM 1 TO 3 NITRO GROUPS ATTACHED TO THE ARYL NUCLEUS AND WHICH MAY OBTAIN AS ADDITIONAL SUBSTITUENTS ONLY MEMBERS SELECTED FROM THE GROUP CONSISTING OF AMINO, PHENYL AND METHYL, THE NUCLEUS OF SAID ARYL COMPOUND BEING DERIVED FROM THE GROUP CONSISTING OF BENZENE AND NAPHTHALENE.
References Cited (Backward Citations)
US1379235A
Cited
US1946322A
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US1988300A
Cited
US2244075A
Cited
US2294724A
Cited
US2384061A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-12 | 1956-02-11 | 1956-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-12 | 1960-02-11 | 1960-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-12 | 1964-02-11 | 1964-08-12 | $7700.00 | Window Closed / Lapsed |