US2888433A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Binder of dhsocyanate modified unsaturated polyester and vinyl chloride polymer and method of preparing same
Assignee: Armstrong World Industries Inc
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Filing: 1955-09-26
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Granted: 1959-05-26
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Expires: 1975-09-26
Abstract
No abstract record available.
Inventors
- 👤 John A Parker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:33
CPC Classifications
D; D06; D06N; D06N3/00; D06N3/12; D06N3/14; D06N3/142; D06N3/144; C; C08; C08L; C08L75/00; C08L75/04; C08L75/14; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06; D06N3/121
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
138 words
A BINDER SYSTEM FOR SURFACE CONVERING MATERIALS COMPRISING AN INTIMATELY BLENDED MIXTURE OF ABOUT 30%75% BY WEIGHT DIISOCYANATE-MODIFIEN POLYESTER AND ABOUT 70%-2K BY WEIGHT POLYMERIZED VINYL CHLORIDE, SAID MODIFIED POLYESTER BEING THE REACTION PRODUCT OF 0,60.9 EQUIVALENT OF ORGANIC DIISOCYANTE PER EQUIVALENT OF UNMODIFIED POLYESTER SUFFICIENT TO FORM AN INCIPIENT GEL, SAID UNMODIFIED POLYESTER HAVING AN ACID NUMBER IN THE THE RANGE OF ABOUT 2-15 AND A HYDROXYL NUMBER IN THE RANGE OF 20-55 AND BEING FORMED FROM A SATURATED GLYCOL HAVING 4 CARBON ATOMS, A SATURATED DICARBOXYLIC ACID HAVING 6-10 CARBON ATOMS, AND AN UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF A DICARBOXYLIC ACID POSSESSING A SINGLE ETHYDRIDE BOND AND NO MORE THAN 8 CARBON ATOMS, AND THE ANHYDRIDE THEREOF, SAID SATURATED ACID AND SAID UNSATUREED COMPOUND BEING PRESENT IN A MOLE RATIO OF ABOUT 2:1.
Claim 2
Dependent Claim
138 words
A BINDER SYSTEM FOR SURFACE CONVERING MATERIALS COMPRISING AN INTIMATELY BLENDED MIXTURE OF ABOUT 30%75% BY WEIGHT DIISOCYANATE-MODIFIEN POLYESTER AND ABOUT 70%-2K BY WEIGHT POLYMERIZED VINYL CHLORIDE, SAID MODIFIED POLYESTER BEING THE REACTION PRODUCT OF 0,60.9 EQUIVALENT OF ORGANIC DIISOCYANTE PER EQUIVALENT OF UNMODIFIED POLYESTER SUFFICIENT TO FORM AN INCIPIENT GEL, SAID UNMODIFIED POLYESTER HAVING AN ACID NUMBER IN THE THE RANGE OF ABOUT 2-15 AND A HYDROXYL NUMBER IN THE RANGE OF 20-55 AND BEING FORMED FROM A SATURATED GLYCOL HAVING 4 CARBON ATOMS, A SATURATED DICARBOXYLIC ACID HAVING 6-10 CARBON ATOMS, AND AN UNSATURATED COMPOUND SELECTED FROM THE GROUP CONSISTING OF A DICARBOXYLIC ACID POSSESSING A SINGLE ETHYDRIDE BOND AND NO MORE THAN 8 CARBON ATOMS, AND THE ANHYDRIDE THEREOF, SAID SATURATED ACID AND SAID UNSATUREED COMPOUND BEING PRESENT IN A MOLE RATIO OF ABOUT 2:1.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-05-25 | 1962-11-24 | 1963-05-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-05-25 | 1966-11-24 | 1967-05-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-05-25 | 1970-11-24 | 1971-05-26 | $7700.00 | Window Closed / Lapsed |