Patent US2526083A successfully refreshed from Google Patents.
US2526083A
Expired / Lapsed
US
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Method of fireproofing chlorophyll containing materials
Assignee: Monsanto Chemicals Ltd
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Filing: 1948-07-30
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Granted: 1950-10-17
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Expires: 1968-07-30
Abstract
No abstract record available.
Inventors
- 👤 Morris L Nielsen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 20:29
CPC Classifications
C; C09; C09K; C09K21/00; C09K21/02; C09K21/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
53 words
THE METHOD OF FLAMEPROOFING A CHLOROPHYLL CONTAINING VEGETABLE-DERIVED MATERIAL TO PRESERVE THE GREEN COLOR THEREOF WHICH COMPRISES TREATING SAID MATERIAL WITH A SOLUTION CONTAINING DIAMMONIUM PHOSPHATE, BORAX AND BORIC ACID IN THE RELATIVE PROPORTIONS SUCH THAT THE SAID INGREDIENTS LIE WITHIN THE AREA DEFINED APPROXIMATELY IN THE ACCOMPANYING FIGURE BY THE POLYGON ABCDEFGHA.
Claim 2
Independent Claim
53 words
THE METHOD OF FLAMEPROOFING A CHLOROPHYLL CONTAINING VEGETABLE-DERIVED MATERIAL TO PRESERVE THE GREEN COLOR THEREOF WHICH COMPRISES TREATING SAID MATERIAL WITH A SOLUTION CONTAINING DIAMMONIUM PHOSPHATE, BORAX AND BORIC ACID IN THE RELATIVE PROPORTIONS SUCH THAT THE SAID INGREDIENTS LIE WITHIN THE AREA DEFINED APPROXIMATELY IN THE ACCOMPANYING FIGURE BY THE POLYGON ABCDEFGHA.
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) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |