US3106547A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Producing fast-curing novolac resins
Assignee: Monsanto Chemicals Ltd
•
Filing: 1959-08-20
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Granted: 1963-10-08
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Expires: 1979-08-20
Abstract
No abstract record available.
Inventors
- 👤 Robert B Mctaggart
- 👤 Elwood F Jackson
- 👤 Rodney M Huck
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 04:55
CPC Classifications
C; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
90 words
A CATALYTIC RESINIFICATION REACTION METHOD FOR PRODUCING FAST-CURING, THERMALLY STABLE NOVOLAC RESINS WHICH CONSISTS OF REACTING AN ALDEHYDE WITH PHENOL IN MOL RATIO OF LESS THAN ONE MOL OF ALDEHYDE PER MOL OF PHENOL AT A TEMPERATURE OF 100-270*C., AND AT A PH OF 1-7, THE RESINIFICATION REACTION CATALYST BEING PRESENT AT THE START OF SAID REACTION AND BEING SELECTED FROM THE CLASS CONSISTING OF BENZOIC ACID, HYDROXY SUBSTITUTED BENZOIC ACIDS, METHYL SUBSTITUTED BENZOIC ACIDS, CARBOXY SUBSTITUTED BENZOIC ACIDS, ANHYDRIDES OF CARBOXY SUBSTITUTED BENZOIC ACIDS AND MIXTURES OF THE SAME.
Claim 2
Dependent Claim
90 words
A CATALYTIC RESINIFICATION REACTION METHOD FOR PRODUCING FAST-CURING, THERMALLY STABLE NOVOLAC RESINS WHICH CONSISTS OF REACTING AN ALDEHYDE WITH PHENOL IN MOL RATIO OF LESS THAN ONE MOL OF ALDEHYDE PER MOL OF PHENOL AT A TEMPERATURE OF 100-270*C., AND AT A PH OF 1-7, THE RESINIFICATION REACTION CATALYST BEING PRESENT AT THE START OF SAID REACTION AND BEING SELECTED FROM THE CLASS CONSISTING OF BENZOIC ACID, HYDROXY SUBSTITUTED BENZOIC ACIDS, METHYL SUBSTITUTED BENZOIC ACIDS, CARBOXY SUBSTITUTED BENZOIC ACIDS, ANHYDRIDES OF CARBOXY SUBSTITUTED BENZOIC ACIDS AND MIXTURES OF THE SAME.
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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) | 1966-10-07 | 1967-04-08 | 1967-10-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-10-07 | 1971-04-08 | 1971-10-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-10-07 | 1975-04-08 | 1975-10-08 | $7700.00 | Window Closed / Lapsed |