US2907747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Polyurethanes of polyisocyanates and resinous polymeric acids
Assignee: SC Johnson and Son Inc
•
Filing: 1957-01-28
•
Granted: 1959-10-06
•
Expires: 1977-01-28
Abstract
No abstract record available.
Inventors
- 👤 Sylvan O Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 23:26
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/6795; C08G18/30; C08G18/34; C08G18/348; C08G18/40; C08G18/48; C08G18/487; C08G18/4879; Y; Y10; Y10S; Y10S273/00; Y10S273/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A COMPOSITION OF MATTER COMPRISING THE REACTION PRODUCT OF (A) A COMPOUND OF THE GENERAL FORMULA R(NCX)Z WHEREIN R IS AN ORGANIC RADICAL HAVING A VALENCY OF Z, X IS A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND SULPHUR AND Z IS AN INTEGER HAVING A VALUE OF MORE THAN 1, AND (B) A RESINOUS POLYCARBOXYLIC ACID WHICH IS THE CONDENSATION PRODUCT OF (1) A PENTANOIC ACID CONSISTING ESSENTIALY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1 TO 5 CARBON ATOMS AND (2) A COUPLING AGENT HAVING THE GENERAL FORMULA X-A-X WHEREIN X IS A MEMBER OF THE GROUP CONSISTING OF HALOGEN ATOM AND VIC EXPOXIDE GROUPS, ONLY ONE XI OF THE X-A-X BEING A VIC EPOXY GROUP AND A IS A DIVALENT RADICAL OF FROM 1-10 CARBON ATOMS WSELECTED FROM THE GROUP CONSISTING OF HYDROCARBON, OXAHYDROCARBON, HYDROXY SUBSTITUTED HYDROCARBON, AND A HYDROXY SUBSTITUTED OXAHYDROCARBON, WHEREIN (A) AND (B) ARE PRESENT ON AN EQUIVALENT RATIO OF FROM ABOUT 5:1 TO 1:5.
Claim 2
Dependent Claim
178 words
A COMPOSITION OF MATTER COMPRISING THE REACTION PRODUCT OF (A) A COMPOUND OF THE GENERAL FORMULA R(NCX)Z WHEREIN R IS AN ORGANIC RADICAL HAVING A VALENCY OF Z, X IS A MEMBER OF THE GROUP CONSISTING OF OXYGEN AND SULPHUR AND Z IS AN INTEGER HAVING A VALUE OF MORE THAN 1, AND (B) A RESINOUS POLYCARBOXYLIC ACID WHICH IS THE CONDENSATION PRODUCT OF (1) A PENTANOIC ACID CONSISTING ESSENTIALY OF 4,4 BIS(4-HYDROXYARYL)PENTANOIC ACID WHEREIN THE HYDROXYARYL RADICAL IS A HYDROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1 TO 5 CARBON ATOMS AND (2) A COUPLING AGENT HAVING THE GENERAL FORMULA X-A-X WHEREIN X IS A MEMBER OF THE GROUP CONSISTING OF HALOGEN ATOM AND VIC EXPOXIDE GROUPS, ONLY ONE XI OF THE X-A-X BEING A VIC EPOXY GROUP AND A IS A DIVALENT RADICAL OF FROM 1-10 CARBON ATOMS WSELECTED FROM THE GROUP CONSISTING OF HYDROCARBON, OXAHYDROCARBON, HYDROXY SUBSTITUTED HYDROCARBON, AND A HYDROXY SUBSTITUTED OXAHYDROCARBON, WHEREIN (A) AND (B) ARE PRESENT ON AN EQUIVALENT RATIO OF FROM ABOUT 5:1 TO 1:5.
References Cited (Backward Citations)
US2060715A
Cited
US2374136A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |