Patent US2711998A successfully refreshed from Google Patents.
US2711998A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Aqueous haloalkyl phosphate-amino resin flameproofing compositions
Assignee: Individual
•
Filing: 1952-10-31
•
Granted: 1955-06-28
•
Expires: 1972-10-31
Abstract
No abstract record available.
Inventors
- 👤 Jeremiah W Weaver
- 👤 Jr John G Frick
- 👤 Reid John David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 16:07
CPC Classifications
D; D06; D06M; D06M13/00; D06M13/244; D06M13/282; D06M13/292; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M15/43; D06M15/433; Y; Y10; Y10S; Y10S428/00; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2631; Y10T442/2672; Y10T442/2689
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A TEXTILE FLAMEPROOFING COMPOSITION COMPRISING AN AQUEOUS SOLUTION CONTAINING (1) AN AMMONIUM SALT OF A POLYHALOPROPANOL ACID ESTER OF PHOSPHORIC ACID SELECTED FROM THE GROUP CONSISTING OF THE CHLORO AND BROMO ESTERS, (2) A WATER SOLUBLE REACTION PRODUCT OF FORMALDEHYDE WITH A NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF MELAMINE, GUANIDINE, AND UREA, AND (3) ENOUGH AMMONIUM HYDROXIDE TO RENDER THE SOLUTION BASIC, SAID AMMONIUM SALT AND SAID FORMALDEHYDE-NITROGEN COMPOUND REACTION PRODUCT BEING PRESENT IN THE SOLUTION IN THE PROPORTION OF FROM ABOUT 0.15 TO 1.0 PART OF THE AMMONIUM SALT PER PART OF THE FORMALDEHYDE-NITROGEN COMPOUND REACTION PRODUCT.
Claim 2
Dependent Claim
100 words
A TEXTILE FLAMEPROOFING COMPOSITION COMPRISING AN AQUEOUS SOLUTION CONTAINING (1) AN AMMONIUM SALT OF A POLYHALOPROPANOL ACID ESTER OF PHOSPHORIC ACID SELECTED FROM THE GROUP CONSISTING OF THE CHLORO AND BROMO ESTERS, (2) A WATER SOLUBLE REACTION PRODUCT OF FORMALDEHYDE WITH A NITROGEN COMPOUND SELECTED FROM THE GROUP CONSISTING OF MELAMINE, GUANIDINE, AND UREA, AND (3) ENOUGH AMMONIUM HYDROXIDE TO RENDER THE SOLUTION BASIC, SAID AMMONIUM SALT AND SAID FORMALDEHYDE-NITROGEN COMPOUND REACTION PRODUCT BEING PRESENT IN THE SOLUTION IN THE PROPORTION OF FROM ABOUT 0.15 TO 1.0 PART OF THE AMMONIUM SALT PER PART OF THE FORMALDEHYDE-NITROGEN COMPOUND REACTION PRODUCT.
References Cited (Backward Citations)
US2452054A
Cited
US2610978A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1958-06-27 | 1958-12-27 | 1959-06-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-06-27 | 1962-12-27 | 1963-06-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-06-27 | 1966-12-27 | 1967-06-28 | $7700.00 | Window Closed / Lapsed |