US3075923A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Finish remover compositions
Assignee: Diversey Wyandotte Corp
•
Filing: 1958-12-11
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Granted: 1963-01-29
•
Expires: 1978-12-11
Abstract
No abstract record available.
Inventors
- 👤 Neil W Berst
- 👤 Wayne M Gauntt
- 👤 Eugene F Maisel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 21:52
CPC Classifications
C; C09; C09D; C09D9/00; C09D9/005
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
A FINISH REMOVER COMPOSITION CONSISTING ESSENTIALLY OF METHYLENE CHLORIDE AND A MINOR PROPORTION, SUFFICIENT TO IMPROVE THE FINISH STRIPPING ABILITY OF SAID REMOVER, OF A SULFONIC ACID SELECTED FROM THE GROUP CONSISTING OF BENZENE SULFONIC ACID, ALKYL BENZENE SULFONIC ACIDS IN WHICH THE ALKYL GROUPS CONTAIN A TOTAL OF FROM 1 TO ABOUT 18 CARBON ATOMS PER MOLECULE, AND MIXTURES THEREOF.
Claim 2
Dependent Claim
61 words
A FINISH REMOVER COMPOSITION CONSISTING ESSENTIALLY OF METHYLENE CHLORIDE AND A MINOR PROPORTION, SUFFICIENT TO IMPROVE THE FINISH STRIPPING ABILITY OF SAID REMOVER, OF A SULFONIC ACID SELECTED FROM THE GROUP CONSISTING OF BENZENE SULFONIC ACID, ALKYL BENZENE SULFONIC ACIDS IN WHICH THE ALKYL GROUPS CONTAIN A TOTAL OF FROM 1 TO ABOUT 18 CARBON ATOMS PER MOLECULE, AND MIXTURES THEREOF.
References Cited (Backward Citations)
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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) | 1966-01-28 | 1966-07-30 | 1967-01-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-01-28 | 1970-07-30 | 1971-01-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-01-28 | 1974-07-30 | 1975-01-29 | $7700.00 | Window Closed / Lapsed |