US3214392A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foamable resinous polyurethane compositions
Assignee: Hooker Chemical Corp
•
Filing: 1961-08-21
•
Granted: 1965-10-26
•
Expires: 1981-08-21
Abstract
No abstract record available.
Inventors
- 👤 Worsley Michael
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 13:09
CPC Classifications
C; C08; C08G; C08G18/00; C08G18/06; C08G18/28; C08G18/67; C08G18/675; C08G18/677; C08G18/6775; C08G18/68; C08G18/683; C08G18/686; C08G18/70; C08G18/81; C08G18/8141; C08G18/815
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
57 words
THE RESINOUS REACTION PRODUCT OF THE MIXTURE COMPRISING (1) THE CARBOXYLIC ACID ADDUCT OF HEXAHAL-CYCLOPENTADIENE AND A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION, (2) THE ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION AND (3) AN ORGANIC POLYISOCYANATE; WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF FLUROINE, CHLORINE, BROMINE AND MIXTURES THEREOF.
Claim 2
Dependent Claim
57 words
THE RESINOUS REACTION PRODUCT OF THE MIXTURE COMPRISING (1) THE CARBOXYLIC ACID ADDUCT OF HEXAHAL-CYCLOPENTADIENE AND A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION, (2) THE ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION AND (3) AN ORGANIC POLYISOCYANATE; WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF FLUROINE, CHLORINE, BROMINE AND MIXTURES THEREOF.
Claim 3
Dependent Claim
66 words
A STORAGE STABLE MIXTURE COMPRISING A LOW BOILING FLUOROCHLOROCARBON AND A RESINOUS REACTION PRODUCT OF COMPONENTS COMPRISING (1) THE CARBOXYLIC ACID ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION, (2) THE ADDUCT OF HEXHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION AND (3) AN ORGANIC POLYISOCYANATE; WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE, CHLORINE, BROMINE AND MIXTURES THEREOF.
Claim 4
Dependent Claim
66 words
A STORAGE STABLE MIXTURE COMPRISING A LOW BOILING FLUOROCHLOROCARBON AND A RESINOUS REACTION PRODUCT OF COMPONENTS COMPRISING (1) THE CARBOXYLIC ACID ADDUCT OF HEXAHALOCYCLOPENTADIENE AND A POLYCARBOXYLIC COMPOUND CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION, (2) THE ADDUCT OF HEXHALOCYCLOPENTADIENE AND A POLYHYDRIC ALCOHOL CONTAINING ALIPHATIC CARBON-TO-CARBON UNSATURATION AND (3) AN ORGANIC POLYISOCYANATE; WHEREIN THE HALOGEN IS SELECTED FROM THE GROUP CONSISTING OF FLUORINE, CHLORINE, BROMINE AND MIXTURES THEREOF.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1968-10-25 | 1969-04-26 | 1969-10-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-10-25 | 1973-04-26 | 1973-10-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-10-25 | 1977-04-26 | 1977-10-26 | $7700.00 | Window Closed / Lapsed |