US2861048A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Thixotropic coating compositions
Assignee: Cook Paint and Varnish Co
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Filing: 1955-10-19
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Granted: 1958-11-18
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Expires: 1975-10-19
Abstract
No abstract record available.
Inventors
- 👤 Howard J Wright
- 👤 David R Mcguire
- 👤 Paul F Westfall
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 19:21
CPC Classifications
C; C08; C08L; C08L77/00; C09; C09D; C09D167/00; C09D167/08; C09D5/00; C09D5/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
97 words
THE PROCESS FOR MAKING A THIXOTROPIC PRODUCT WHICH COMPRISES DISPERSING A POLYAMIDE HAVING A MOLECULAR WEIGHT NOT IN EXCESS OF 1500 AND COMPRISING THE HEAT REACTION PRODUCT OF POLYMERIC POLYENE FAT ACIDS, AND ALKYLENE POLYAMINE HAVING AT LEAST TWO PRIMARY AMINO GROUPS, AND FROM 20 TO 60% BY WEIGHT, OF THE TOTAL WEIGHT OF ALL INGREDIENTS OF A LONG CHAIN MONOMER FATTY ACID HAVING AT LEAST SIX CARBON ATOMS, IN A PAINT VEHICLE SELECTED FROM THE GROUP CONSISTING OF ALKYD RESINS, DRYING OILS AND RESIN ACID ESTERS AT A TEMPERATURE BELOW THE SOFTENING POINT OF SAID POLYAMIDE.
Claim 2
Dependent Claim
97 words
THE PROCESS FOR MAKING A THIXOTROPIC PRODUCT WHICH COMPRISES DISPERSING A POLYAMIDE HAVING A MOLECULAR WEIGHT NOT IN EXCESS OF 1500 AND COMPRISING THE HEAT REACTION PRODUCT OF POLYMERIC POLYENE FAT ACIDS, AND ALKYLENE POLYAMINE HAVING AT LEAST TWO PRIMARY AMINO GROUPS, AND FROM 20 TO 60% BY WEIGHT, OF THE TOTAL WEIGHT OF ALL INGREDIENTS OF A LONG CHAIN MONOMER FATTY ACID HAVING AT LEAST SIX CARBON ATOMS, IN A PAINT VEHICLE SELECTED FROM THE GROUP CONSISTING OF ALKYD RESINS, DRYING OILS AND RESIN ACID ESTERS AT A TEMPERATURE BELOW THE SOFTENING POINT OF SAID POLYAMIDE.
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) | 1961-11-17 | 1962-05-19 | 1962-11-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-11-17 | 1966-05-19 | 1966-11-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-11-17 | 1970-05-19 | 1970-11-18 | $7700.00 | Window Closed / Lapsed |