US3028426A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of solid monomeric carboxylic acid amides
Assignee: BASF Schweiz AG
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Filing: 1955-01-31
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Granted: 1962-04-03
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Expires: 1975-01-31
Abstract
No abstract record available.
Inventors
- 👤 Porret Daniel
- 👤 Maeder Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:33
CPC Classifications
C; C07; C07C; C07C233/00; C07C233/01; C07C233/02; C07C233/09; Y; Y10; Y10S; Y10S159/00; Y10S159/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
62 words
A PROCESS FOR MANUFACTURE OF A SOLID MONOMERIC CARBOXYLIC ACID AMIDE, WHICH COMPRISES SPRAY DRYING AN ENCE IN THE SOLUTION OF ABOUT 0.02 TO 0.002 PERCENT OF COPPER IN THE FORM OF A WATER-SOLUBLE COPPER COMPOUND CALCULATED ON THE WEIGHT OF METHACRYLIC ACID AMIDE, WHEREBY A CATALYZED AND ACTIVATED POLYMERISATION AND COPOLYMERISATION OF THE RESULTING METHACRYCLIC ACID AMIDE IS NOT ADVERSLY AFFECTED.
Claim 2
Dependent Claim
62 words
A PROCESS FOR MANUFACTURE OF A SOLID MONOMERIC CARBOXYLIC ACID AMIDE, WHICH COMPRISES SPRAY DRYING AN ENCE IN THE SOLUTION OF ABOUT 0.02 TO 0.002 PERCENT OF COPPER IN THE FORM OF A WATER-SOLUBLE COPPER COMPOUND CALCULATED ON THE WEIGHT OF METHACRYLIC ACID AMIDE, WHEREBY A CATALYZED AND ACTIVATED POLYMERISATION AND COPOLYMERISATION OF THE RESULTING METHACRYCLIC ACID AMIDE IS NOT ADVERSLY AFFECTED.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-02 | 1965-10-02 | 1966-04-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-02 | 1969-10-02 | 1970-04-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-02 | 1973-10-02 | 1974-04-03 | $7700.00 | Window Closed / Lapsed |