US3049446A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the manufacture of urea, glyoxal and formaldehye reaction product useful for improving cellulosic textile materials
Assignee: Sun Chemical Corp
•
Filing: 1960-02-05
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Granted: 1962-08-14
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Expires: 1980-02-05
Abstract
No abstract record available.
Inventors
- 👤 Herman B Goldstein
- 👤 Michael A Silvestri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 04:02
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/10; D06M13/12; D06M13/127; C; C07; C07D; C07D233/00; C07D233/04; C07D233/28; C07D233/30; C07D233/40; C07G; C07G99/00; C08; C08G; C08G12/00; C08G12/02; C08G12/04; C08G12/10; C08G12/12; C09; C09B; C09B62/00; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06P; D06P1/00; D06P1/0056; D06P1/0064; D06P1/44; D06P1/52; D06P1/56; D06P3/00; D06P3/58; D06P3/60; D06P3/605; D06P3/6066; D06P3/6083; D06P3/66; D06P5/00; D06P5/02; D06P5/04; D06P5/08; D06P5/15; D06P7/00; D06Q; D06Q1/00; D06Q1/08; Y; Y10; Y10T; Y10T442/00; Y10T442/20; Y10T442/2762; Y10T442/277; Y10T442/2828; Y10T442/2852
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
65 words
A PROCESS OF PREPARING NOVEL COMPOSITIONS OF MATTER WHICH COMPRISES FORMING AN AQUEOUS SOLUTION OF 1 MOLE OF UREA, 1 MOLE OF GLYOXAL, AND 2 TO 2.5 MOLS OF FORMALDEHYDE AND THEREAFTER REACTING SAID UREA, GLYOXAL AND FORMALDEHYDE AT A PH OF 4.0 TO 6.0 AND AT A TEMPERATURE OF 25*C. TO 95*C. FOR A PERIOD OF TIME RANGING FROM 30 MINUTES TO 72 HOURS.
Claim 2
Dependent Claim
65 words
A PROCESS OF PREPARING NOVEL COMPOSITIONS OF MATTER WHICH COMPRISES FORMING AN AQUEOUS SOLUTION OF 1 MOLE OF UREA, 1 MOLE OF GLYOXAL, AND 2 TO 2.5 MOLS OF FORMALDEHYDE AND THEREAFTER REACTING SAID UREA, GLYOXAL AND FORMALDEHYDE AT A PH OF 4.0 TO 6.0 AND AT A TEMPERATURE OF 25*C. TO 95*C. FOR A PERIOD OF TIME RANGING FROM 30 MINUTES TO 72 HOURS.
References Cited (Backward Citations)
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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) | 1965-08-13 | 1966-02-12 | 1966-08-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-08-13 | 1970-02-12 | 1970-08-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-08-13 | 1974-02-12 | 1974-08-14 | $7700.00 | Window Closed / Lapsed |