US3008905A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Foam producing composition
Assignee: Boehme Fettchemie GmbH
•
Filing: 1957-12-04
•
Granted: 1961-11-14
•
Expires: 1977-12-04
Abstract
No abstract record available.
Inventors
- 👤 Wedell Hans
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 08:35
CPC Classifications
C; C11; C11D; C11D3/00; C11D3/0005; C11D3/0094; C11D1/00; C11D1/66; C11D1/72; C11D10/00; C11D10/04; C11D10/045; C11D3/16; C11D3/20; C11D3/2075; C11D3/2079
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
A COMPOSITION SUITABLE FOR PRODUCING FOAM IN AQUEOUS MEDIA, COMPRISING AN ETHYLENE OXIDE ADDITION COMPOUND PRODUCED BY THE ADDITION OF 1 TO 4 MOLS OF ETHYLENE OXIDE TO AN ORGANIC COMPOUND WHICH CONTAINS A REPLACEABLE HYDROGEN ATOM AND HAS AT MOST 12 CARBON ATOMS IN THE MOLECULE AND FROM 0.5 TO 30% BY WEIGHT, REFERRED TO THE DRY WEIGHT OF THE ETHYLENE OXIDE ADDITION PRODUCT, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF HIGH-MOLECULAR WEIGHT CARBOXYLIC ACIDS HAVING FROM 8 TO 22 CARBON ATOMS IN THEIR MOLECULE AND METAL SALTS THEREOF WHICH ARE ONLY DIFFICULTY SOLUBLE IN WATER.
Claim 2
Dependent Claim
99 words
A COMPOSITION SUITABLE FOR PRODUCING FOAM IN AQUEOUS MEDIA, COMPRISING AN ETHYLENE OXIDE ADDITION COMPOUND PRODUCED BY THE ADDITION OF 1 TO 4 MOLS OF ETHYLENE OXIDE TO AN ORGANIC COMPOUND WHICH CONTAINS A REPLACEABLE HYDROGEN ATOM AND HAS AT MOST 12 CARBON ATOMS IN THE MOLECULE AND FROM 0.5 TO 30% BY WEIGHT, REFERRED TO THE DRY WEIGHT OF THE ETHYLENE OXIDE ADDITION PRODUCT, OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF HIGH-MOLECULAR WEIGHT CARBOXYLIC ACIDS HAVING FROM 8 TO 22 CARBON ATOMS IN THEIR MOLECULE AND METAL SALTS THEREOF WHICH ARE ONLY DIFFICULTY SOLUBLE IN WATER.
References Cited (Backward Citations)
US2042359A
Cited
US2088085A
Cited
US2529211A
Cited
US2678921A
Cited
US2539012A
Cited
US2748078A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-11-13 | 1965-05-15 | 1965-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-11-13 | 1969-05-15 | 1969-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-11-13 | 1973-05-15 | 1973-11-14 | $7700.00 | Window Closed / Lapsed |