US2801190A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for rendering fibrous materials water-repellent
Assignee: Hoechst AG
•
Filing: 1953-04-07
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Granted: 1957-07-30
•
Expires: 1973-04-07
Abstract
No abstract record available.
Inventors
- 👤 Orthner Ludwig
- 👤 Reuter Martin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 14:21
CPC Classifications
H; H04; H04M; H04M15/00; H04M15/10; A; A45; A45B; A45B19/00; A45B19/04; D; D06; D06M; D06M13/00; D06M13/02; D06M13/10; D06M13/184; D06M13/188; D06M13/50; D06M13/503; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2164; Y10T442/2205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
104 words
THE PROCESS OF IMPARTING HYDROPHOBIC PROPERTIES TO FIBROUS MATERIAL WHICH COMPRISES TREATING THE MATERIAL WITH AN INDIFFERENT ORGANIC SOLUTION CONTAINING, IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF LOW-BOILING HYDROCARBONS AND LOW-BOILING CHLORINATED HYDROCARBONS. A MIXTURE OF 1 MOL OF AN ALUMINUM ALCOHOLATE AND FROM 0.2 TO 2.5 MOL OF A MONOBASIC ORGANIC ACID CAPABLE OF FORMING SALTS WITH ALUMINUM ALUMINUM AND FURTHER CONTAINING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR PARAFFIN HYDROCARBONS, NATURAL WAXES, SYNTHETIC WAXES AND HIGH MOLECULA POLYCHLORINATED HYDROCARBONS, AND DRYING SAID MATERIAL AT A TEMPERATURE SUFFICIENT TO PRODUCE A WATER REPELLENT DINISH CONTAINING RESIDUAL ALKOXY GROUPS
Claim 2
Dependent Claim
104 words
THE PROCESS OF IMPARTING HYDROPHOBIC PROPERTIES TO FIBROUS MATERIAL WHICH COMPRISES TREATING THE MATERIAL WITH AN INDIFFERENT ORGANIC SOLUTION CONTAINING, IN A SOLVENT SELECTED FROM THE GROUP CONSISTING OF LOW-BOILING HYDROCARBONS AND LOW-BOILING CHLORINATED HYDROCARBONS. A MIXTURE OF 1 MOL OF AN ALUMINUM ALCOHOLATE AND FROM 0.2 TO 2.5 MOL OF A MONOBASIC ORGANIC ACID CAPABLE OF FORMING SALTS WITH ALUMINUM ALUMINUM AND FURTHER CONTAINING A COMPOUND SELECTED FROM THE GROUP CONSISTING OF HIGH MOLECULAR PARAFFIN HYDROCARBONS, NATURAL WAXES, SYNTHETIC WAXES AND HIGH MOLECULA POLYCHLORINATED HYDROCARBONS, AND DRYING SAID MATERIAL AT A TEMPERATURE SUFFICIENT TO PRODUCE A WATER REPELLENT DINISH CONTAINING RESIDUAL ALKOXY GROUPS
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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) | 1960-07-29 | 1961-01-28 | 1961-07-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-29 | 1965-01-28 | 1965-07-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-29 | 1969-01-28 | 1969-07-30 | $7700.00 | Window Closed / Lapsed |