US2675335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thermosetting laminating composition from formaldehyde condensed with mixture of phenol, monobutyl phenol, and dibutyl phenol
Assignee: Union Carbide Corp
•
Filing: 1948-05-22
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Granted: 1954-04-13
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Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Lanning P Rankin
- 👤 Charles J Seiler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:29
CPC Classifications
B; B32; B32B; B32B27/00; C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31942; Y10T428/31949; Y10T428/31957; Y10T428/3196
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
A THERMOSETTING RESIN BEING THE ALKALINECATALYZED, "A" STAGE CONDENSATION PRODUCT OF BETWEEN 1.1 AND 1.8 MOLS OF FORMALDEHYDE WITH A MOLAR QUANTITY OF A PHENOLIC MIXTURE CONSISTING OF PHENOL ITSELF, ORTHO SUBSTITUTED MONOBUTYL PHENOL, PARA SUBSTITUTED MONOBUTYL PHENOL AND DIBUTYL PHENOL HAVING ONE ACTIVE POSITION, SAID MOLAR QUANTITY CONTAINING PER MOL OF PHENOL ITSELF FROM 0.04 TO 0.20 MOL OF ORTHO SUBSTITUTED MONOBUTYL PHENOL, FROM 0.30 TO 0.50 MOL OF PARA SUBSTITUTED MONOBUTYL PHENOL AND FROM 0.07 TO 0.14 MOL OF DIBUTYL SUBSTITUTED PHENOL, THE LATTER
Claim 2
Dependent Claim
86 words
A THERMOSETTING RESIN BEING THE ALKALINECATALYZED, "A" STAGE CONDENSATION PRODUCT OF BETWEEN 1.1 AND 1.8 MOLS OF FORMALDEHYDE WITH A MOLAR QUANTITY OF A PHENOLIC MIXTURE CONSISTING OF PHENOL ITSELF, ORTHO SUBSTITUTED MONOBUTYL PHENOL, PARA SUBSTITUTED MONOBUTYL PHENOL AND DIBUTYL PHENOL HAVING ONE ACTIVE POSITION, SAID MOLAR QUANTITY CONTAINING PER MOL OF PHENOL ITSELF FROM 0.04 TO 0.20 MOL OF ORTHO SUBSTITUTED MONOBUTYL PHENOL, FROM 0.30 TO 0.50 MOL OF PARA SUBSTITUTED MONOBUTYL PHENOL AND FROM 0.07 TO 0.14 MOL OF DIBUTYL SUBSTITUTED PHENOL, THE LATTER
References Cited (Backward Citations)
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US2139081A
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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) | 1957-04-12 | 1957-10-12 | 1958-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-04-12 | 1961-10-12 | 1962-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-04-12 | 1965-10-12 | 1966-04-13 | $7700.00 | Window Closed / Lapsed |