Patent US2907746A successfully refreshed from Google Patents.
US2907746A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydroxyaryl aliphatic acid polyurethanes
Assignee: SC Johnson and Son Inc
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Filing: 1957-01-16
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Granted: 1959-10-06
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Expires: 1977-01-16
Abstract
No abstract record available.
Inventors
- 👤 Sylvan O Greenlee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 18:35
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/30; C08G18/34; C08G18/348
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A COMPOSITION OF MATTER COMPRISING THE POLYMERIC REACTION PRODUCT OF A MIXTURE IN WHICH THE SOLE POLYMER FORMATION INGREDIENTS ARE (A) A COMPOUND OF THE GENERAL FROMULA R(NCX)Z WHEREIN R IS AN ORGANIC RADICAL HAVING A VALENCY EQUAL TO Z X IS A CHALOCOGEN HAVING AN ATOMIC WEIGHT OF LESS THAN 33 AND Z IS AN INTEGER HAVING A VALUE OF MORE THAN 1 AND (B) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARL) PENTANOIC ACID WHEREIN THE HYDROXYARL RADICAL IS A HYROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS, WHEREIN THE REACTIVE FUNCTIONAL GROUPS OF (A) AND (B) ARE PRESENT IN AN EQUIVALENT RATIO OF FROM ABOUT 5:1 TO 1:5.
Claim 2
Dependent Claim
119 words
A COMPOSITION OF MATTER COMPRISING THE POLYMERIC REACTION PRODUCT OF A MIXTURE IN WHICH THE SOLE POLYMER FORMATION INGREDIENTS ARE (A) A COMPOUND OF THE GENERAL FROMULA R(NCX)Z WHEREIN R IS AN ORGANIC RADICAL HAVING A VALENCY EQUAL TO Z X IS A CHALOCOGEN HAVING AN ATOMIC WEIGHT OF LESS THAN 33 AND Z IS AN INTEGER HAVING A VALUE OF MORE THAN 1 AND (B) A PENTANOIC ACID CONSISTING ESSENTIALLY OF 4,4 BIS(4-HYDROXYARL) PENTANOIC ACID WHEREIN THE HYDROXYARL RADICAL IS A HYROXYPHENYL RADICAL AND IS FREE FROM SUBSTITUENTS OTHER THAN ALKYL GROUPS OF FROM 1-5 CARBON ATOMS, WHEREIN THE REACTIVE FUNCTIONAL GROUPS OF (A) AND (B) ARE PRESENT IN AN EQUIVALENT RATIO OF FROM ABOUT 5:1 TO 1:5.
References Cited (Backward Citations)
US2284896A
Cited
FR901768A
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 |