Patent US3000977A successfully refreshed from Google Patents.
US3000977A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of stabilizing trichloroethyl-
Assignee: —
•
Filing: —
•
Granted: 1961-09-19
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Expires: 1978-09-19
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:45
CPC Classifications
C; C23; C23G; C23G1/00; C23G1/02; C23G1/04; C23G1/06; A; A62; A62D; A62D3/00; A62D3/30; A62D3/36; C11; C11D; C11D7/00; C11D7/22; C11D7/32; A62D2101/00; A62D2101/20; A62D2101/22
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
31 words
A TRICHLOROETHYLENE COMPOSITION STABILIZED AGAINST ACIDIC DECOMPOSITION, PARTICULARLY DURING ITS USE FOR DEGREASING METALS, WHICH COMPRISES SMALL QUANTITIES, INTIMATELY MIXED AND SYNERGETICALLY ACTIVE, OF N,N-DIMETHYLHYDRAZINE, ISOBUTYL ALCOHOL, BUTYLENE OXIDE, AND PHENOL.
Claim 2
Dependent Claim
31 words
A TRICHLOROETHYLENE COMPOSITION STABILIZED AGAINST ACIDIC DECOMPOSITION, PARTICULARLY DURING ITS USE FOR DEGREASING METALS, WHICH COMPRISES SMALL QUANTITIES, INTIMATELY MIXED AND SYNERGETICALLY ACTIVE, OF N,N-DIMETHYLHYDRAZINE, ISOBUTYL ALCOHOL, BUTYLENE OXIDE, AND PHENOL.
Claim 3
Dependent Claim
33 words
A TRICHLOROETHYLENE COMPOSITION STABILIZED AGAINST ACIDIC DECOMPOSITION, PARTICULARLY DURING ITS USE FOR THE DEGREASING OF METALS, WHICH COMPRISES SMALL QUANTITIES, INTIMATELY MIXED AND SYNERGETICALLY ACTIVE, OF N,N-DIMETHYLHYDRAZINE, ISOBUTYL ACOHOL, PROPYLENE OXIDE AND ONITROPHENOL.
Claim 4
Dependent Claim
33 words
A TRICHLOROETHYLENE COMPOSITION STABILIZED AGAINST ACIDIC DECOMPOSITION, PARTICULARLY DURING ITS USE FOR THE DEGREASING OF METALS, WHICH COMPRISES SMALL QUANTITIES, INTIMATELY MIXED AND SYNERGETICALLY ACTIVE, OF N,N-DIMETHYLHYDRAZINE, ISOBUTYL ACOHOL, PROPYLENE OXIDE AND ONITROPHENOL.
References Cited (Backward Citations)
US2008680A
Cited
US2043259A
Cited
US2043257A
Cited
US2371644A
Cited
US2797250A
Cited
GB787726A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-09-18 | 1965-03-20 | 1965-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-09-18 | 1969-03-20 | 1969-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-09-18 | 1973-03-20 | 1973-09-19 | $7700.00 | Window Closed / Lapsed |