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US2610158A
Expired / Lapsed
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Stabilization of latex and stabilized compositions
Assignee: BB Chemical Co
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Filing: 1950-04-11
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Granted: 1952-09-09
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Expires: 1970-04-11
Abstract
No abstract record available.
Inventors
- 👤 Hall Alan Montague
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 14:26
CPC Classifications
H; H01; H01J; H01J9/00; H01J9/02; H01J9/12; H01J9/125; C; C08; C08C; C08C1/00; C08C1/02; C08C1/06; C08L; C08L7/00; C08L7/02; C08L89/00; C08L89/005; C08L89/04; C08L89/06; H01J1/00; H01J1/02; H01J1/32; C08K; C08K5/00; C08K5/16; C08K5/21; F; F02; F02B; F02B2275/00; F02B2275/20; F02F; F02F1/00; F02F1/24; F02F1/42; F02F1/4214; F02F2001/244; F02F2001/245; H01J2201/00; H01J2201/32; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
66 words
A NATURAL RUBBER LATEX COMPOSITION WHEREIN THE INDIVIDUAL RUBBER PARTICLES OF AN ALKALINE NATURAL RUBBER LATEX HAVE PRECIPITATED THEREON THE PRODUCT OF COMBINING IN SITU AT LEAST ONE-HALF PART BY WEIGHT OF CASEIN AND ONE PART BY WEIGHT OF UREA WITH FORMALDEHYDE, AT LEAST 1 1/2 PARTS COMBINED WEIGHT OF CASEIN AND UREA BEING ASSOCIATED WITH 100 PARTS BY WEIGHT OF RUBBER SOLIDS IN SAID DISPERSION.
Claim 2
Dependent Claim
66 words
A NATURAL RUBBER LATEX COMPOSITION WHEREIN THE INDIVIDUAL RUBBER PARTICLES OF AN ALKALINE NATURAL RUBBER LATEX HAVE PRECIPITATED THEREON THE PRODUCT OF COMBINING IN SITU AT LEAST ONE-HALF PART BY WEIGHT OF CASEIN AND ONE PART BY WEIGHT OF UREA WITH FORMALDEHYDE, AT LEAST 1 1/2 PARTS COMBINED WEIGHT OF CASEIN AND UREA BEING ASSOCIATED WITH 100 PARTS BY WEIGHT OF RUBBER SOLIDS IN SAID DISPERSION.
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) | 1955-09-09 | 1956-03-10 | 1956-09-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-09-09 | 1960-03-10 | 1960-09-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-09-09 | 1964-03-10 | 1964-09-09 | $7700.00 | Window Closed / Lapsed |