Patent US3740359A successfully refreshed from Google Patents.
US3740359A
Expired / Lapsed
US
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Vinylidene chloride expandable microspheres
Assignee: Casco Adhesives AB
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Filing: 1972-07-10
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Granted: 1973-06-19
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Expires: 1992-07-10
Abstract
Abstract A SUBSTANTIALLY IMPROVED EXPANDABLE VINYLIDENE CHLORIDE MICROSPHERE IS OBTAINED EMPLOYING A PEROXYDICARBONATE AS CATALYST. A SIGNIFICANT IMPROVEMENT IN CONVERSION AND REDUCTION IN RESIDUAL VINYLIDENE CHLORIDE MONOMER IS OBTAINED.
Inventors
- 👤 J Garner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 12:49
CPC Classifications
C; C08; C08J; C08J9/00; C08J9/16; C08J9/20; B; B01; B01J; B01J13/00; B01J13/02; B01J13/06; B01J13/14; B01J13/18; B01J13/185; C08F; C08F14/00; C08F14/02; C08F14/04; C08F14/08; C08J9/32
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-06-18 | 1976-12-18 | 1977-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-06-18 | 1980-12-18 | 1981-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-06-18 | 1984-12-18 | 1985-06-19 | $7700.00 | Window Closed / Lapsed |