US3043794A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Novolak-diisocyanate synthetic resin, solutions thereof, and method of making laminates
Assignee: Sinclair Research Inc
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Filing: 1958-01-22
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Granted: 1962-07-10
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Expires: 1978-01-22
Abstract
No abstract record available.
Inventors
- 👤 Feiler Leonard
- 👤 Arnold H Gruben
- 👤 Howard H Leiner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:29
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/40; C08G18/54; C08G18/542; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31551; Y10T428/31591; Y10T428/31594
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
161 words
A SYNTHETIC RESIN PREPARED BY REACTING A NOVOLAK PREPARED BY REACTING FORMALDEHYDE AND, BASED ON THE MOLES OF FORMALDEHYDE, FROM 3.75 TO 195 MOLES OF AN ALKYL PHENOL AND, BASED ON THE MOLES OF ALKYLPHENOL COMBINED IN SAID NOVOLAK, FROM 094 TO 0.6 MOLE OF AN ALKARYK DISOCYANATE TO PRODUCE AN AROMATIC HYDROCARBONSOLUBLE SYNTHETIC RESIN, SAID ALKYL PHENOL BEING SELECTED FROM THE GROUP CINSISTING OF NONYLPHENOL, A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 15 MOLE PERCENT OF NONYLPHENOL AND ABOUT 85 MOLE PERCENT OF HEPTYLPHENOL, AND A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 25 MOLE PERCENT OF DIHEPTYLPHENOL AND ABOUT 75 MOLE PERCENT OF HEPTYLPHENOL PREPARED BY THE ALKYLATION OF PHENOL WITH AN OLEFIN SEPARATED FROM POLYMER GASOLINE SELECTED FROM THE GROUP CONSISTING OF C7 AND C9 OLEFINS AND SAID ALKYL PHENOL BEING SELECTED FROM THE GROUP CONSISTING OF MONOALKYL PHENOLS AND MIXTURES THEREOF CONTAINING UP TO 35 MOLE PERCENT OF A DIALKYLPHENOL, BASED UPON THE WEIGHT OF THE MONOALKYLPHENOL AND THE DIALKYLPHENOL.
Claim 2
Dependent Claim
161 words
A SYNTHETIC RESIN PREPARED BY REACTING A NOVOLAK PREPARED BY REACTING FORMALDEHYDE AND, BASED ON THE MOLES OF FORMALDEHYDE, FROM 3.75 TO 195 MOLES OF AN ALKYL PHENOL AND, BASED ON THE MOLES OF ALKYLPHENOL COMBINED IN SAID NOVOLAK, FROM 094 TO 0.6 MOLE OF AN ALKARYK DISOCYANATE TO PRODUCE AN AROMATIC HYDROCARBONSOLUBLE SYNTHETIC RESIN, SAID ALKYL PHENOL BEING SELECTED FROM THE GROUP CINSISTING OF NONYLPHENOL, A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 15 MOLE PERCENT OF NONYLPHENOL AND ABOUT 85 MOLE PERCENT OF HEPTYLPHENOL, AND A MIXTURE CONSISTING ESSENTIALLY OF ABOUT 25 MOLE PERCENT OF DIHEPTYLPHENOL AND ABOUT 75 MOLE PERCENT OF HEPTYLPHENOL PREPARED BY THE ALKYLATION OF PHENOL WITH AN OLEFIN SEPARATED FROM POLYMER GASOLINE SELECTED FROM THE GROUP CONSISTING OF C7 AND C9 OLEFINS AND SAID ALKYL PHENOL BEING SELECTED FROM THE GROUP CONSISTING OF MONOALKYL PHENOLS AND MIXTURES THEREOF CONTAINING UP TO 35 MOLE PERCENT OF A DIALKYLPHENOL, BASED UPON THE WEIGHT OF THE MONOALKYLPHENOL AND THE DIALKYLPHENOL.
Claim 3
Dependent Claim
37 words
A COMPOSITION OF MATTER SUITABLE FOR USE AS AN INSULATING VARNISH CONSISTING ESSENTIALLY OF A SOLUTION OF THE RESIN OF CLAIM 1 DISSOLVED IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF BENZENE AND LOWER ALKYL BENZENES.
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) | 1965-07-09 | 1966-01-08 | 1966-07-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-07-09 | 1970-01-08 | 1970-07-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-07-09 | 1974-01-08 | 1974-07-10 | $7700.00 | Window Closed / Lapsed |