Patent US2881097A successfully refreshed from Google Patents.
US2881097A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Mildewcide and flameproofing composition and products produced therefrom
Assignee: Harshaw Chemical Co
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Filing: 1956-02-02
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Granted: 1959-04-07
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Expires: 1976-02-02
Abstract
No abstract record available.
Inventors
- 👤 Giordano Anthony
- 👤 William J Straka
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 12:21
CPC Classifications
B; B27; B27K; B27K3/00; B27K3/52; D; D06; D06M; D06M13/00; D06M13/08; D21; D21H; D21H21/00; D21H21/14; D21H21/34; D21H21/36; B27K2240/00; B27K2240/30; Y; Y10; Y10S; Y10S428/00; Y10S428/907; Y10S428/92; Y10S428/921; Y10T; Y10T442/00; Y10T442/20; Y10T442/2525; Y10T442/2533; Y10T442/2631; Y10T442/2656
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
A FIBROUS CELLULOSIC MATERIAL IMPREGNATED WITH A COMPOSITION HAVING FLAME RETARDANT AND MULDEWCIDAL PROPERTIES, SAID COMPOSITION ESSENTIALY CONSISTING OF A MIXTURE OF COPPER ANTIMONATE AND A HALOGENATED ORGANIC COMPOUND, SAID ORGANIC COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF HALOGENATED PARAFFINS, HALOGENATED VINYL RESINS, HALOGENATED RUBBER, HALOGENATED VEGETABLE OILS, HALOGENATED ANUMAL OILS, AND HALOGENATED MINERAL OILS, SAID COPPER ANTIMONATE BEING PRESENT AS A DISPERSION IN SAID COMPOSITION IN THE RANGE FROM ABOUT 2.5% TO ABOUT 31% BY WEIGHT OF THE FIBROUS CELLULOSIC MATERIAL, AND SAID HALOGENATED ORGANIC COMPOUND BEING PRESENT IN AN AMOUNT SUFFICIENT TO GIVE A RANGE FROM ABOUT 2.0% TO ABOUT 35% OF HALOGEN BY WEIGHT OF THE FIBROUS CELLULOSIC MATERIAL.
Claim 2
Dependent Claim
113 words
A FIBROUS CELLULOSIC MATERIAL IMPREGNATED WITH A COMPOSITION HAVING FLAME RETARDANT AND MULDEWCIDAL PROPERTIES, SAID COMPOSITION ESSENTIALY CONSISTING OF A MIXTURE OF COPPER ANTIMONATE AND A HALOGENATED ORGANIC COMPOUND, SAID ORGANIC COMPOUND BEING SELECTED FROM THE CLASS CONSISTING OF HALOGENATED PARAFFINS, HALOGENATED VINYL RESINS, HALOGENATED RUBBER, HALOGENATED VEGETABLE OILS, HALOGENATED ANUMAL OILS, AND HALOGENATED MINERAL OILS, SAID COPPER ANTIMONATE BEING PRESENT AS A DISPERSION IN SAID COMPOSITION IN THE RANGE FROM ABOUT 2.5% TO ABOUT 31% BY WEIGHT OF THE FIBROUS CELLULOSIC MATERIAL, AND SAID HALOGENATED ORGANIC COMPOUND BEING PRESENT IN AN AMOUNT SUFFICIENT TO GIVE A RANGE FROM ABOUT 2.0% TO ABOUT 35% OF HALOGEN BY WEIGHT OF THE FIBROUS CELLULOSIC MATERIAL.
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) | 1962-04-06 | 1962-10-06 | 1963-04-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-06 | 1966-10-06 | 1967-04-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-06 | 1970-10-06 | 1971-04-07 | $7700.00 | Window Closed / Lapsed |