Patent US3268461A successfully refreshed from Google Patents.
US3268461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Printing ink vehicles
Assignee: SC Johnson and Son Inc
•
Filing: 1962-03-12
•
Granted: 1966-08-23
•
Expires: 1982-03-12
Abstract
No abstract record available.
Inventors
- 👤 Norman A Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 06:15
CPC Classifications
C; C09; C09D; C09D11/00; C09D11/02; C09D11/10; C09D11/102; C08; C08G; C08G69/00; C08G69/02; C08G69/26; C08G69/34; C08G69/48
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN A PRINTING INK FORMULATION COMPRISING, IN COMBINATION, COLORING MATTER AND A RESINOUS VEHICLE COMPATIBLE WITH SAID COLORING MATTER, THE IMPROVEMENT WHEREIN THE RESINOUS VEHICLE COMPRISES AN ALCOHOL SOLUBLE 4,4BIS(HYDROXYARYL) PHENTANOIC ACID TERMINATED POLYAMIDE, SAID POLYAMIDE BEING THE REACTION PRODUCT OBTAINED BY HEATING A POLYAMIDE BEING THE REACTION PRODUCT OBTAINED BY EACH HAVING AT LEAST ONE AMINO HYDROGEN WITH SAID AMINO GROUPS BEING THE SOLE AMIDE FORMING GROUPS, A CARBOXYLIC ACID CONTAINING TWO AND ONLY TWO CARBOXYL GROUPS, SAID CARBOXYL GROUPS BEING THE SOLE AMIDE FORMING GROUPS AND A 1,4-BIS(HYDROXYARYL) PHENTANOIC ACID HAVING THE GENERAL STRUCTURE:
Claim 2
Dependent Claim
96 words
IN A PRINTING INK FORMULATION COMPRISING, IN COMBINATION, COLORING MATTER AND A RESINOUS VEHICLE COMPATIBLE WITH SAID COLORING MATTER, THE IMPROVEMENT WHEREIN THE RESINOUS VEHICLE COMPRISES AN ALCOHOL SOLUBLE 4,4BIS(HYDROXYARYL) PHENTANOIC ACID TERMINATED POLYAMIDE, SAID POLYAMIDE BEING THE REACTION PRODUCT OBTAINED BY HEATING A POLYAMIDE BEING THE REACTION PRODUCT OBTAINED BY EACH HAVING AT LEAST ONE AMINO HYDROGEN WITH SAID AMINO GROUPS BEING THE SOLE AMIDE FORMING GROUPS, A CARBOXYLIC ACID CONTAINING TWO AND ONLY TWO CARBOXYL GROUPS, SAID CARBOXYL GROUPS BEING THE SOLE AMIDE FORMING GROUPS AND A 1,4-BIS(HYDROXYARYL) PHENTANOIC ACID HAVING THE GENERAL STRUCTURE:
References Cited (Backward Citations)
US2907728A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-08-22 | 1970-02-21 | 1970-08-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-08-22 | 1974-02-21 | 1974-08-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-08-22 | 1978-02-21 | 1978-08-23 | $7700.00 | Window Closed / Lapsed |