US3036932A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Drying and curing resin treated textiles
Assignee: Shri Ram Inst for Industrial Res
•
Filing: 1958-05-07
•
Granted: 1962-05-29
•
Expires: 1978-05-07
Abstract
No abstract record available.
Inventors
- 👤 Jayant A Masarguppi
- 👤 Vasant B Chipalkatti
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:46
CPC Classifications
D; D06; D06M; D06M15/00; D06M15/19; D06M15/37; D06M15/39; D06M15/423; D06M13/00; D06M13/52; D06M13/53; Y; Y10; Y10S; Y10S118/00; Y10S118/05; Y10S264/00; Y10S264/51; Y10T; Y10T442/00; Y10T442/20; Y10T442/273
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
130 words
A PROCESS FOR THE TREATAMENT OF A TEXTILE MATERAIL IMPREGNATED WITH A PRECONDENSATE OF FORMALDEHYDE AND AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND SUBSTITUTED UREAS, COMPRISING SQUEEZING THE MATERIAL TO ABOUT 80 TO 100% SQUEEZE AND PASSING THE SQUEEZED MATERIAL THROUGH A FLUIDISED BED OF HOT DISCRETE SOLID PRECONDENSATE-ABSORBING HYDROPHILIC PARTICLES OF AT LEAST ONE HYDROPHILIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BENTONITE, CHALK, CHINA CLAY AND TITANIUM DIOXIDE, SAID FLUIDSED BED BEIGN MAINTAINED AT A TEMPERATURE BETWEEN 90 AND 160*C. AND THE SQUEEZED MATERIAL BEING PRESENT IN SAID BED FOR A PERIOD OF TIME BETWEEN APPROXIMATELY 10 AND 60 SECONDS, WHEREBY EXCESS PRECONDENSATE ON THE SURFACE OF SAID MATERIAL IS ABSORBED BY SAID PARTICLES AND THE SURFACE OF SAID MATERIAL IS SIMULTANEOUSLY DRIED.
Claim 2
Dependent Claim
130 words
A PROCESS FOR THE TREATAMENT OF A TEXTILE MATERAIL IMPREGNATED WITH A PRECONDENSATE OF FORMALDEHYDE AND AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF UREA AND SUBSTITUTED UREAS, COMPRISING SQUEEZING THE MATERIAL TO ABOUT 80 TO 100% SQUEEZE AND PASSING THE SQUEEZED MATERIAL THROUGH A FLUIDISED BED OF HOT DISCRETE SOLID PRECONDENSATE-ABSORBING HYDROPHILIC PARTICLES OF AT LEAST ONE HYDROPHILIC SUBSTANCE SELECTED FROM THE GROUP CONSISTING OF BENTONITE, CHALK, CHINA CLAY AND TITANIUM DIOXIDE, SAID FLUIDSED BED BEIGN MAINTAINED AT A TEMPERATURE BETWEEN 90 AND 160*C. AND THE SQUEEZED MATERIAL BEING PRESENT IN SAID BED FOR A PERIOD OF TIME BETWEEN APPROXIMATELY 10 AND 60 SECONDS, WHEREBY EXCESS PRECONDENSATE ON THE SURFACE OF SAID MATERIAL IS ABSORBED BY SAID PARTICLES AND THE SURFACE OF SAID MATERIAL IS SIMULTANEOUSLY DRIED.
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) | 1965-05-28 | 1965-11-27 | 1966-05-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-28 | 1969-11-27 | 1970-05-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-28 | 1973-11-27 | 1974-05-29 | $7700.00 | Window Closed / Lapsed |