Patent US3072594A successfully refreshed from Google Patents.
US3072594A
Expired / Lapsed
US
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Silamine curing agents
Assignee: WALTER J SAEMAN NO DRAWING
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Filing: 1959-04-22
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Granted: 1963-01-08
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Expires: 1979-04-22
Abstract
No abstract record available.
Inventors
- 👤 James H Shultz
- 👤 Clarence G Zike
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 20:40
CPC Classifications
C; C08; C08G; C08G59/00; C08G59/18; C08G59/40; C08G59/50; C08G59/504; C08G59/4007; C08G59/4085; C08L; C08L63/00; Y; Y10; Y10S; Y10S525/00; Y10S525/912
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
69 words
THE PRODUCT OF A REACTION BETWEEN (1) AN ORGANIC COMPOUND CONTAINING AN AVERAGE OF MORE THAN ONE FFIG-01 GROUP PER MOLECULE, AND (2) A COMPOSITION CHARACTERIZED BY HAVING AN SI-N-SI LINKAGE AS AN INTEGRAL PART OF ITS STRUCTURE AND OBTAINED FROM THE REACTION OF A HALOSILANE WITH AN AMMONIACAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF AMMONIA AND PRIMARY AMINE WHEREIN THE AMINO GROUP IS THE SOLE FUNCTIONAL GROUP.
Claim 2
Dependent Claim
69 words
THE PRODUCT OF A REACTION BETWEEN (1) AN ORGANIC COMPOUND CONTAINING AN AVERAGE OF MORE THAN ONE FFIG-01 GROUP PER MOLECULE, AND (2) A COMPOSITION CHARACTERIZED BY HAVING AN SI-N-SI LINKAGE AS AN INTEGRAL PART OF ITS STRUCTURE AND OBTAINED FROM THE REACTION OF A HALOSILANE WITH AN AMMONIACAL COMPOUND SELECTED FROM THE CLASS CONSISTING OF AMMONIA AND PRIMARY AMINE WHEREIN THE AMINO GROUP IS THE SOLE FUNCTIONAL GROUP.
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) | 1966-01-07 | 1966-07-09 | 1967-01-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-07 | 1970-07-09 | 1971-01-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-07 | 1974-07-09 | 1975-01-08 | $7700.00 | Window Closed / Lapsed |