Patent US2607756A successfully refreshed from Google Patents.
US2607756A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyesters stabilized with 1-arylazo-naphthol sulfonic acids
Assignee: Libbey Owens Ford Glass Co
•
Filing: 1949-08-27
•
Granted: 1952-08-19
•
Expires: 1969-08-27
Abstract
No abstract record available.
Inventors
- 👤 Thomas F Anderson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:34
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/36; C08K5/41; C08K5/42
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
A STABILIZED THERMOSETTING COMPOSITION, COMPRISING (1) A POLYMERIZABLE UNSATURATED ALKYD RESIN WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLY REACTIVE $2,3-ENEDIOYL GROUPS; (2) A CATALYST OF THE CLASS CONSISTING OF ORGANIC PEROXIDES AND ORGANIC OZONIDES; AND, (3) AS AN AGENT FOR INCREASING THE STABILITY OF THE COMPOSITION AT ATMOSPHERIC TEMPERATURES WITHOUT PROPORTIONATELY DECREASING THE CURABILITY OF THE COMPOSITION, A SUBSTANCE OF THE CLASS CONSISTING OF 1-ARYLAZO-NAPHTHOL SULFONIC ACIDS AND THEIR ALKALINE EARTH METAL SALTS, NOT MORE THAN ONE OXYGEN ATOM BEING CONNECTED TO ANY NITROGEN ATOM THAT IS CONNECTED TO A NUCLEUS IN SUCH SUBSTANCE, AND ANY HALO SUBSTITUENT IN SUCH SUBSTANCE HAVING AN ATOMIC WEIGHT GREATER THAN 35; CARRIED ON A FILLER IN CONTACT WITH AIR.
Claim 2
Dependent Claim
116 words
A STABILIZED THERMOSETTING COMPOSITION, COMPRISING (1) A POLYMERIZABLE UNSATURATED ALKYD RESIN WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLY REACTIVE $2,3-ENEDIOYL GROUPS; (2) A CATALYST OF THE CLASS CONSISTING OF ORGANIC PEROXIDES AND ORGANIC OZONIDES; AND, (3) AS AN AGENT FOR INCREASING THE STABILITY OF THE COMPOSITION AT ATMOSPHERIC TEMPERATURES WITHOUT PROPORTIONATELY DECREASING THE CURABILITY OF THE COMPOSITION, A SUBSTANCE OF THE CLASS CONSISTING OF 1-ARYLAZO-NAPHTHOL SULFONIC ACIDS AND THEIR ALKALINE EARTH METAL SALTS, NOT MORE THAN ONE OXYGEN ATOM BEING CONNECTED TO ANY NITROGEN ATOM THAT IS CONNECTED TO A NUCLEUS IN SUCH SUBSTANCE, AND ANY HALO SUBSTITUENT IN SUCH SUBSTANCE HAVING AN ATOMIC WEIGHT GREATER THAN 35; CARRIED ON A FILLER IN CONTACT WITH AIR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-08-19 | 1956-02-18 | 1956-08-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-19 | 1960-02-18 | 1960-08-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-19 | 1964-02-18 | 1964-08-19 | $7700.00 | Window Closed / Lapsed |