US3352838A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methylolated urea and melamine etherified with butanol and polyethyleneglycol as emulsion polymerization agents
Assignee: BASF Schweiz AG
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Filing: 1964-12-04
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Granted: 1967-11-14
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Expires: 1984-12-04
Abstract
No abstract record available.
Inventors
- 👤 Toepfl Rosemarie
- 👤 Schibler Luzius
- 👤 Maeder Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 09:36
CPC Classifications
C; C08; C08F; C08F2/00; C08F2/12; C08F2/16; C08F2/22; C08F2/24; C08F2/30; C08F283/00; C08F283/06; C08G; C08G12/00; C08G12/02; C08G12/40; C08G12/42; C08G12/421; C08G12/422; C08G12/424; C08G12/425; C08G12/427; Y; Y10; Y10S; Y10S526/00; Y10S526/911
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
75 words
A PROCESS FOR THE EMULSION POLYMERIZATION OF UNSATURATED POLYMERIZABLE COMPOUNDS, WHEREIN THE EMULSIFIER USED IS A WATER-SOLUBLE CURABLE ETHER OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (1) A METHYLOLMELAMINE, WHOSE METHYLOL GROUPS ARE ETHERIFIED WITH A MONO HYDRIC ALCOHOL CONTAINING AT LEAST 4 CARBON ATOMS AND FURTHER WITH A POLYETHYLENEGLYCOL AND (2) A METHYLOLUREA WHOSE METHYLOL GROUPS ARE ETHERIFIED WITH A MONOHYDRIC ALCOHOL CONTAINING AT LEAST 4 CARBON ATOMS AND FURTHER A POLYETHYLENEGLYCOL.
Claim 2
Dependent Claim
75 words
A PROCESS FOR THE EMULSION POLYMERIZATION OF UNSATURATED POLYMERIZABLE COMPOUNDS, WHEREIN THE EMULSIFIER USED IS A WATER-SOLUBLE CURABLE ETHER OF A MEMBER SELECTED FROM THE GROUP CONSISTING OF (1) A METHYLOLMELAMINE, WHOSE METHYLOL GROUPS ARE ETHERIFIED WITH A MONO HYDRIC ALCOHOL CONTAINING AT LEAST 4 CARBON ATOMS AND FURTHER WITH A POLYETHYLENEGLYCOL AND (2) A METHYLOLUREA WHOSE METHYLOL GROUPS ARE ETHERIFIED WITH A MONOHYDRIC ALCOHOL CONTAINING AT LEAST 4 CARBON ATOMS AND FURTHER A POLYETHYLENEGLYCOL.
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) | 1970-11-13 | 1971-05-15 | 1971-11-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-11-13 | 1975-05-15 | 1975-11-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-11-13 | 1979-05-15 | 1979-11-14 | $7700.00 | Window Closed / Lapsed |