Patent US3280060A successfully refreshed from Google Patents.
US3280060A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Composition of shellac and aromatic hydrocarbon phenol resin
Assignee: Japan Gas Chemical Co Inc
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Filing: 1964-09-18
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Granted: 1966-10-18
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Expires: 1984-09-18
Abstract
No abstract record available.
Inventors
- 👤 Huang Ching Yun
- 👤 Ueno Kazuo
- 👤 Tanabe Hisanori
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 12:43
CPC Classifications
C; C08; C08L; C08L61/00; C08L61/34; C08L93/00; C08L93/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
131 words
A PROCESS FOR PRODUCING A WATER RESISTANT COMPOSITION COMPRISING REACTING AT A TEMPERATURE OF FROM 50* TO 200*C. FOR AT LEAST 30 MINUTES IN A SOLVENT OF A MIXTURE OF AN AROMATIC HYDROCARBON AND AN ALCOHOL, (A) FROM 10 TO 50 PARTS OF A RESIN FORMED BY REACTING, (1) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBON ALDEHYDE RESINS FORMED BY REACTING IN THE PRESENCE OF AN ACIDIC CATALYST (A) AN AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSITING OF BENZENE, TOLUENE, XYLENE, MESITYLENE, DURENE, NAPHTHALENE, METHYLNAPHTHALENE AND ANTHRACENE, AND (B) AND ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE, ACETALDEHYDE, PROPIONALDEHYDE AND BUTYLALDEHYDE, AND (2) A PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOL, CRESOL, XYLENOL, TERTIARY BUTYLPHENOL, NONYL PHENOL ANND 4,4''-ISOPROPYL BISPHENOL, WITH, (B) 100 PARTS OF SHELLAC.
Claim 2
Dependent Claim
131 words
A PROCESS FOR PRODUCING A WATER RESISTANT COMPOSITION COMPRISING REACTING AT A TEMPERATURE OF FROM 50* TO 200*C. FOR AT LEAST 30 MINUTES IN A SOLVENT OF A MIXTURE OF AN AROMATIC HYDROCARBON AND AN ALCOHOL, (A) FROM 10 TO 50 PARTS OF A RESIN FORMED BY REACTING, (1) A MATERIAL SELECTED FROM THE GROUP CONSISTING OF AROMATIC HYDROCARBON ALDEHYDE RESINS FORMED BY REACTING IN THE PRESENCE OF AN ACIDIC CATALYST (A) AN AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSITING OF BENZENE, TOLUENE, XYLENE, MESITYLENE, DURENE, NAPHTHALENE, METHYLNAPHTHALENE AND ANTHRACENE, AND (B) AND ALDEHYDE SELECTED FROM THE GROUP CONSISTING OF FORMALDEHYDE, ACETALDEHYDE, PROPIONALDEHYDE AND BUTYLALDEHYDE, AND (2) A PHENOL SELECTED FROM THE GROUP CONSISTING OF PHENOL, CRESOL, XYLENOL, TERTIARY BUTYLPHENOL, NONYL PHENOL ANND 4,4''-ISOPROPYL BISPHENOL, WITH, (B) 100 PARTS OF SHELLAC.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-17 | 1970-04-18 | 1970-10-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-17 | 1974-04-18 | 1974-10-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-17 | 1978-04-18 | 1978-10-18 | $7700.00 | Window Closed / Lapsed |