US3281252A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process of coating fiberboard and resulting product
Assignee: Kelco Co
•
Filing: 1965-03-29
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Granted: 1966-10-25
•
Expires: 1985-03-29
Abstract
No abstract record available.
Inventors
- 👤 William P Fairchild
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 04:30
CPC Classifications
C; C08; C08L; C08L5/00; C09; C09D; C09D5/00; C09D5/18
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
76 words
A TREATING SOLUTION ADAPTED FOR COATING POROUS COMPRESSED VEGETABLE FIBER STRUCTURAL PANELS COMPRISING WATER FROM ABOUT 1/10 TO 1% OF A HYDROPHILIC GUM COLLOID PRODUCED BY A GUM PRODUCING BACTERIUM OF THE GENUS XANTHOMONAS, AND A SATURATING AMOUNT OF A FIRE RETARDANT MATERIAL SELECTED FROM THE CLASS CONSISTING OF BORIC ACID, SODIUM METABORATE, SODIUM CALCIUM BORATE, AMMONIUM SULFAMATE, AMMONIUM PHOSPHATE, SODIUM PHOSPHATE, SODIUM SILICATE, AMMONIUM SULFATE AND AN EQUIMOLAR MIXTURE OF ZINC CHLORIDE AND SODIUM DICHROMATE.
Claim 2
Dependent Claim
76 words
A TREATING SOLUTION ADAPTED FOR COATING POROUS COMPRESSED VEGETABLE FIBER STRUCTURAL PANELS COMPRISING WATER FROM ABOUT 1/10 TO 1% OF A HYDROPHILIC GUM COLLOID PRODUCED BY A GUM PRODUCING BACTERIUM OF THE GENUS XANTHOMONAS, AND A SATURATING AMOUNT OF A FIRE RETARDANT MATERIAL SELECTED FROM THE CLASS CONSISTING OF BORIC ACID, SODIUM METABORATE, SODIUM CALCIUM BORATE, AMMONIUM SULFAMATE, AMMONIUM PHOSPHATE, SODIUM PHOSPHATE, SODIUM SILICATE, AMMONIUM SULFATE AND AN EQUIMOLAR MIXTURE OF ZINC CHLORIDE AND SODIUM DICHROMATE.
Claim 3
Dependent Claim
116 words
THE PROCESS OF TREATING A POROUS COMPRESSED VEGETABLE FIBER STRUCTURAL PANEL WHICH COMPRISES APPLYING TO AT LEAST ONE SURFACE THEREOF A TREATING SOLUTION CONSISTING ESSENTIALLY OF WATER, A WATER SOLUBLE FIRE RETARDANT MATERIAL, AND A SMALL AMOUNT RANGING FROM ABOUT 1/10 TO 1% OF THE TREATING SOLUTION OF A HYDROPHILIC COLLOID PRODUCED BY A BACTERIUM SELECTED FROM THE GROUP CONSISTING OF XANTHOMONAS CAROTAE, XANTHOMONAS INCANAE, XANTHOMONAS PISI, XANTHOMONAS BEGONIAE, XANTHOMONAS MALVACEARUM, AND XANTHOMONAS CAMPESTRIS, SAID AMOUNT OF COLLOID BEING SUFFICIENT TO CAUSE THE SAID FIRE RETARDANT MATERIAL TO CONCENTRATE IN AND ADJACENT THE TREATED SURFACE OF SAID PANEL AND SUBSEQUENTLY ALLOWING THE SO-TREATED PANEL TO DRY BY EVAPORATION OF THE WATER CONTAINED IN SAID TREATING SOLUTION.
Claim 4
Dependent Claim
116 words
THE PROCESS OF TREATING A POROUS COMPRESSED VEGETABLE FIBER STRUCTURAL PANEL WHICH COMPRISES APPLYING TO AT LEAST ONE SURFACE THEREOF A TREATING SOLUTION CONSISTING ESSENTIALLY OF WATER, A WATER SOLUBLE FIRE RETARDANT MATERIAL, AND A SMALL AMOUNT RANGING FROM ABOUT 1/10 TO 1% OF THE TREATING SOLUTION OF A HYDROPHILIC COLLOID PRODUCED BY A BACTERIUM SELECTED FROM THE GROUP CONSISTING OF XANTHOMONAS CAROTAE, XANTHOMONAS INCANAE, XANTHOMONAS PISI, XANTHOMONAS BEGONIAE, XANTHOMONAS MALVACEARUM, AND XANTHOMONAS CAMPESTRIS, SAID AMOUNT OF COLLOID BEING SUFFICIENT TO CAUSE THE SAID FIRE RETARDANT MATERIAL TO CONCENTRATE IN AND ADJACENT THE TREATED SURFACE OF SAID PANEL AND SUBSEQUENTLY ALLOWING THE SO-TREATED PANEL TO DRY BY EVAPORATION OF THE WATER CONTAINED IN SAID TREATING SOLUTION.
References Cited (Backward Citations)
US2769729A
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US2889235A
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US3000790A
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US3054689A
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US3096293A
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US3020206A
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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) | 1969-10-24 | 1970-04-25 | 1970-10-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-24 | 1974-04-25 | 1974-10-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-24 | 1978-04-25 | 1978-10-25 | $7700.00 | Window Closed / Lapsed |