Patent US3351605A successfully refreshed from Google Patents.
US3351605A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Phenol-para-cumyl-phenol resin and primer therefrom
Assignee: Honeywell International Inc
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Filing: 1963-12-26
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Granted: 1967-11-07
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Expires: 1983-12-26
Abstract
No abstract record available.
Inventors
- 👤 Patrick J Harvey
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 14:53
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/24; Y; Y10; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31678; Y10T428/31688
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE PROCESS FOR PRODUCING A RESINOUS PRODUCT OF OUTSTANDING CHEMICAL AND PHYSICAL PROPERTIES ESPECIALLY ADAPTED FOR PRIMER COATINGS WHICH COMPRISES HEATING A MIXTURE OF PHENOLS CONTAINING 82 TO 95 MOL PERCENT MONOHYDRIC MONONUCLEAR PHENOL HAVING THE THREE REACTION FAVORABLE POSITIONS UNOCCUPIED AND BETWEEN ABOUT 5 TO 18 MOL PERCENT PARA-A-CUMYLPHENOL TOGETHER WITH FORMALDEHYDE IN THE MOLAR PROPORTION OF ABOUT 1.0-1.5 MOLS OF FORMALDEHYDE PER MOL OF TOTAL PHENOL AT A TEMPERATURE BETWEEN ABOUT 40*C. TO 150*C. IN THE PRESENCE OF A BASIC CATALYST SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND THE BASIC AMINES TO EFFECT REACTION OF THE PHENOLS AND FORMALDEHYDE AND FORM A PHENOL-PARA-ACUMYLPHENOL REACTION PRODUCT CONTAINING LESS THAN 3% BE WEIGHT FREE FORMALDEHYDE.
Claim 2
Dependent Claim
116 words
THE PROCESS FOR PRODUCING A RESINOUS PRODUCT OF OUTSTANDING CHEMICAL AND PHYSICAL PROPERTIES ESPECIALLY ADAPTED FOR PRIMER COATINGS WHICH COMPRISES HEATING A MIXTURE OF PHENOLS CONTAINING 82 TO 95 MOL PERCENT MONOHYDRIC MONONUCLEAR PHENOL HAVING THE THREE REACTION FAVORABLE POSITIONS UNOCCUPIED AND BETWEEN ABOUT 5 TO 18 MOL PERCENT PARA-A-CUMYLPHENOL TOGETHER WITH FORMALDEHYDE IN THE MOLAR PROPORTION OF ABOUT 1.0-1.5 MOLS OF FORMALDEHYDE PER MOL OF TOTAL PHENOL AT A TEMPERATURE BETWEEN ABOUT 40*C. TO 150*C. IN THE PRESENCE OF A BASIC CATALYST SELECTED FROM THE GROUP CONSISTING OF AMMONIA AND THE BASIC AMINES TO EFFECT REACTION OF THE PHENOLS AND FORMALDEHYDE AND FORM A PHENOL-PARA-ACUMYLPHENOL REACTION PRODUCT CONTAINING LESS THAN 3% BE WEIGHT FREE FORMALDEHYDE.
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) | 1970-11-06 | 1971-05-08 | 1971-11-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-06 | 1975-05-08 | 1975-11-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-06 | 1979-05-08 | 1979-11-07 | $7700.00 | Window Closed / Lapsed |