Patent US3296181A successfully refreshed from Google Patents.
US3296181A
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Phenolic-formaldehyde resins containing an alkyl phenol wherein the alkyl group contains 5-15 carbon atoms and ink compositions therefrom
Assignee: Novartis AG
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Filing: 1961-02-16
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Granted: 1967-01-03
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Expires: 1981-02-16
Abstract
No abstract record available.
Inventors
- 👤 Wurmli Albert
- 👤 Konig Roderich
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 03:22
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; C09D11/103; C08; C08G; C08G8/00; C08G8/04; C08G8/08; C08G8/24; C09D11/16; C09D11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
123 words
A RESINOUS CONDENSATION PRODUCT OF (A) ONE EQUIVALENT PART OF DIMETHYLOLATABLE PHENOL, (B) MORE THAN ONE AND LESS THAN TWO EQUIVALENT PARTS OF FORMALDEHYDE, AND (C) 0.5 TO 0.75 EQUIVALENT PART OF A MIXTURE CONSISTING ESSENTIALLY OF (A) 1 MOLAR PROPORTION OF ALKYL PHENOL, THE ALKYL RADICAL OF WHICH CONTAINS FROM 5 TO15 CARBON ATOMS, AND (B) FROM 1 TO 2.5 MOLAR PROPORTIOS OF HYDROXYBENZENE CARBOXYLIC ACID HAVING AT LEAST ONE FREE POSITION AT THE ORTHO- OR PARA-POSTIONS RELATIVE TO THE HYDROXY GROUP, FROM WHICH CONDENSATION PRODUCT ALL WATER OF CONDENSATION HAS BEEN SPLIT OFF, SAID PRODUCT BEING SUITABLE AS BASE IN FLEXO-PRESIC PRINTING INKS AND CAPABLE OF REDUCING THE TENDENCY OF SUCH INKS TO FLAKE OUT AND TO FORM RUBBERLIKE GELS THEREIN.
Claim 2
Dependent Claim
123 words
A RESINOUS CONDENSATION PRODUCT OF (A) ONE EQUIVALENT PART OF DIMETHYLOLATABLE PHENOL, (B) MORE THAN ONE AND LESS THAN TWO EQUIVALENT PARTS OF FORMALDEHYDE, AND (C) 0.5 TO 0.75 EQUIVALENT PART OF A MIXTURE CONSISTING ESSENTIALLY OF (A) 1 MOLAR PROPORTION OF ALKYL PHENOL, THE ALKYL RADICAL OF WHICH CONTAINS FROM 5 TO15 CARBON ATOMS, AND (B) FROM 1 TO 2.5 MOLAR PROPORTIOS OF HYDROXYBENZENE CARBOXYLIC ACID HAVING AT LEAST ONE FREE POSITION AT THE ORTHO- OR PARA-POSTIONS RELATIVE TO THE HYDROXY GROUP, FROM WHICH CONDENSATION PRODUCT ALL WATER OF CONDENSATION HAS BEEN SPLIT OFF, SAID PRODUCT BEING SUITABLE AS BASE IN FLEXO-PRESIC PRINTING INKS AND CAPABLE OF REDUCING THE TENDENCY OF SUCH INKS TO FLAKE OUT AND TO FORM RUBBERLIKE GELS THEREIN.
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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) | 1970-01-02 | 1970-07-04 | 1971-01-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-01-02 | 1974-07-04 | 1975-01-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-01-02 | 1978-07-04 | 1979-01-03 | $7700.00 | Window Closed / Lapsed |