US3847839A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Alkoxylated furfuryl alcohol stripping composition and method
Assignee: Henkel Corp
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Filing: 1973-01-17
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Granted: 1974-11-12
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Expires: 1993-01-17
Abstract
Abstract 1. A CONCENTRATE COMPOSITION USEFUL IN PAINT STRIPPING, CONSISTING ESSENTIALLY OF ABOUT 3-50 WT. PERCENT OF AN ACCELERATOR CONSISTING ESSENTIALLY OF AN ALKOXYLATED FURFURLY ALCOHOL HAVING THE FORMULA: 2-R1,3-R2,4-R3-FUR-5-YL-CH2-(R'')N-OH WHEREIN R1, R2 AND R3 ARE INDEPENDENTLY SELELCTED FROM THE GROUP CONSISTING OF H, HALOGEN AND ALKYL GROUPS HAVING NOT MORE THAN 6 CARBON ATOMS; M IS AN INTEGER NOT EXCEEDING 2; AND R'' IS ALKOXY GROUP HAVING NOT MORE THAN 4 CARBON ATOMS AND ABOUT 50-97 WT. PERCENT OF AN INORGANIC ALKALINE MATERIAL CONTAINING A MAJOR PORTION OF AN ALKALI METAL HYDROXIDE.
Inventors
- 👤 D Murphy
- 👤 H Valatka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 23:57
CPC Classifications
C; C09; C09D; C09D9/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
27 words
A CONCENTRATE COMPOSITION USEFUL IN PAINT STRIPPING, CONSISTING ESSENTIALLY OF ABOUT 3-50 WT. PERCENT OF AN ACCELERATOR CONSISTING ESSENTIALLY OF AN ALKOXYLATED FURFURLY ALCOHOL HAVING THE FORMULA:
Claim 2
Dependent Claim
27 words
A CONCENTRATE COMPOSITION USEFUL IN PAINT STRIPPING, CONSISTING ESSENTIALLY OF ABOUT 3-50 WT. PERCENT OF AN ACCELERATOR CONSISTING ESSENTIALLY OF AN ALKOXYLATED FURFURLY ALCOHOL HAVING THE FORMULA:
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) | 1977-11-11 | 1978-05-13 | 1978-11-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-11 | 1982-05-13 | 1982-11-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-11 | 1986-05-13 | 1986-11-12 | $7700.00 | Window Closed / Lapsed |