US2642409A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of moldable compositions comprising an unsaturated alkyd and kaolin coated with a heterocyclic amine-formaldehyde resin
Assignee: Libbey Owens Ford Glass Co
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Filing: 1951-05-15
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Granted: 1953-06-16
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Expires: 1971-05-15
Abstract
No abstract record available.
Inventors
- 👤 David E Cordier
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:34
CPC Classifications
C; C08; C08K; C08K9/00; C08K9/08; C08L; C08L67/00; C08L67/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
94 words
A METHOD OF PRODUCING A MOLDING COMPOSITION THAT GIVES MOLDED ARTICLES HAVING SUPERIOR WATER RESISTANCE AND ELECTRICAL PROPERTIES, WHICH COMPRISES COATING KAOLIN PARTICLES WITH A THERMOSETTING REACTION PRODUCT OF FORMALDEHYDE AND A SUBSTANCE WHOSE MOLECULE HAS A PLURALITY OF NH2 GROUPS EACH CONNECTED TO A CARBON ATOM CONTAINED IN A HETEROCYCLIC RING CONSISTING OF CARBON AND NITGROGEN ATOMS, THE CARBON ATOM BEING CONNECTED BY A DOUBLE BOND TO AN INTRACYCLIC NITROGEN ATOM, AND THEN MIXING THE COATED KAOLIN PARTICLES WITH A POLYMERIZABLE UNSATURATED ALKYD WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLY REACTIVE $2,3-ENEDIOYL GROUPS.
Claim 2
Independent Claim
94 words
A METHOD OF PRODUCING A MOLDING COMPOSITION THAT GIVES MOLDED ARTICLES HAVING SUPERIOR WATER RESISTANCE AND ELECTRICAL PROPERTIES, WHICH COMPRISES COATING KAOLIN PARTICLES WITH A THERMOSETTING REACTION PRODUCT OF FORMALDEHYDE AND A SUBSTANCE WHOSE MOLECULE HAS A PLURALITY OF NH2 GROUPS EACH CONNECTED TO A CARBON ATOM CONTAINED IN A HETEROCYCLIC RING CONSISTING OF CARBON AND NITGROGEN ATOMS, THE CARBON ATOM BEING CONNECTED BY A DOUBLE BOND TO AN INTRACYCLIC NITROGEN ATOM, AND THEN MIXING THE COATED KAOLIN PARTICLES WITH A POLYMERIZABLE UNSATURATED ALKYD WHOSE MOLECULE CONTAINS A PLURALITY OF POLYMERIZABLY REACTIVE $2,3-ENEDIOYL GROUPS.
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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |