US3094491A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Wax-free paint remover
Assignee: Dow Chemical Co
•
Filing: 1957-11-15
•
Granted: 1963-06-18
•
Expires: 1977-11-15
Abstract
No abstract record available.
Inventors
- 👤 Jr George K Greminger
- 👤 Richard W Swinehart
- 👤 Miles A Weaver
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 22:43
CPC Classifications
C; C09; C09D; C09D9/00; C09D9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
119 words
A PAINT, LACQUER, AND VARNISH REMOVER COMPOSITION CONSISTING ESSENTIALLY OF (A) FROM 1 TO 10 PERCENT BY WEIGHT OF A WATER-SOLUBLE ALKYL HYDROXYALKYL CELLULOSE IN WHICH SAID HYDROXYALKYL GROUP CONTAINS FROM 2 TO 4 CARBON ATOMS AND IS PRESENT IN SAID ALKYL HYDROXYALKYL CELLULOSE IN AN AMOUNT OF FROM 7 TO 12 PERCENT AND IN WHICH SAID ALKYL GROUP CONTAINS FROM 1 TO 3 CARBON ATOMS AND IS PRESENT IN SAID ALKYL HYDROXYALKYL CELLULOSE IN AN AMOUNT OF FROM 28 TO 32 PERCENT; (B) FROM 85 TO 98 PERCENT OF A SOLVENT CONSISTING ESSENTIALLY OF METHYLENE CHLORIDE; AND (C) FROM 1 TO 5 PERCENT OF AN EVAPORATION RETARDANT SELECTED FROM THE CLASS CONSISTING OF MANNITAN STEARATE AND SORBITAN STEARATE.
Claim 2
Dependent Claim
119 words
A PAINT, LACQUER, AND VARNISH REMOVER COMPOSITION CONSISTING ESSENTIALLY OF (A) FROM 1 TO 10 PERCENT BY WEIGHT OF A WATER-SOLUBLE ALKYL HYDROXYALKYL CELLULOSE IN WHICH SAID HYDROXYALKYL GROUP CONTAINS FROM 2 TO 4 CARBON ATOMS AND IS PRESENT IN SAID ALKYL HYDROXYALKYL CELLULOSE IN AN AMOUNT OF FROM 7 TO 12 PERCENT AND IN WHICH SAID ALKYL GROUP CONTAINS FROM 1 TO 3 CARBON ATOMS AND IS PRESENT IN SAID ALKYL HYDROXYALKYL CELLULOSE IN AN AMOUNT OF FROM 28 TO 32 PERCENT; (B) FROM 85 TO 98 PERCENT OF A SOLVENT CONSISTING ESSENTIALLY OF METHYLENE CHLORIDE; AND (C) FROM 1 TO 5 PERCENT OF AN EVAPORATION RETARDANT SELECTED FROM THE CLASS CONSISTING OF MANNITAN STEARATE AND SORBITAN STEARATE.
References Cited (Backward Citations)
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Cited
US2190451A
Cited
GB485857A
Cited
US2207967A
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US2388764A
Cited
US2380166A
Cited
US2831852A
Cited
US2835666A
Cited
US2827439A
Cited
US2949452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-06-17 | 1966-12-17 | 1967-06-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-06-17 | 1970-12-17 | 1971-06-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-06-17 | 1974-12-17 | 1975-06-18 | $7700.00 | Window Closed / Lapsed |