US2672105A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Baking pan, coating compounds, and methods of preparation and baking
Assignee: Dow Silicones Corp
•
Filing: 1949-09-02
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Granted: 1954-03-16
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Expires: 1969-09-02
Abstract
No abstract record available.
Inventors
- 👤 Harold A Clark
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:58
CPC Classifications
C; C08; C08G; C08G77/00; A; A21; A21D; A21D8/00; A21D8/08; Y; Y10; Y10S; Y10S220/00; Y10S220/912
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
18 words
ORGANOPOLYSILANE-POLYSILOXANE RESINS WITH AN AVERAGE COMPOSITION OF (CH3C6H5SIOC) IN WHICH HAS A POSITIVE VALUE OF UP TO 0.75
Claim 2
Independent Claim
74 words
THE METHOD OF PREPARING A BREAD PAN FOR THE BAKING OF BREAD WHICH COMPRISES COATING THE INTERNAL SURFACES OF THE PAN WITH AN ORGANOPOLYSILANE-POLYSILOXANE RESIN WITH AN AVERAGE COMPOSITION OF ((CH3)A(C6H5)BSIOC) IN WHICH A+B HAS A VALUE OF FROM 1,4 TO 2 INCLUSIVE, C HAS A POSITIVE VALUE, A+B+2C HAS A VALUE OF UP TO 3.5 AND IN WHICH 30 TO 75 PER CENT OF THE TOTAL PHENYL AND METHYL RADICALS ARE PHENYL RADICALS.
Claim 3
Independent Claim
104 words
THE METHOD WHICH COMPRISES COATING THE INTERNAL SURFACES OF A BREAD PAN WITH AN ORGANOPOLYSILANE-POLYSILOXANE RESIN WITH AN AVERAGE COMPOSITIVE OF ((CH3)A(C6H5)BSIOC) IN WHICH A+B HAS A VALUE OF FROM 1.4 TO 2 INCLUSIVE, C HAS A POSITIVE VALUE, A+B+2C HAS A VALUE OF UP TO 3.5 AND IN WHICH 30 TO 75 PER CENT OF THE TOTAL PHENYL AND METHYL RADICALS ARE PHENYL RADICALS, CURING THE RESIN BY HEATING AND REPEATEDLY BAKING BREAD IN THE PAN SO COATED WITH THE BREAD IN CONTACT WITH THE RESIN DURING BAKING, WHEREBY RELEASE OF THE BREAD IN THE PAN IS OBTAINED WITHOUT THE USE OF GREASE.
Claim 4
Dependent Claim
66 words
A BREAD PAN HAVING A COOKING SURFACE CONSISTING OF A THIN COATING OF A HARDENED ORGANOPOLYSILANE-POLYSILOXANE RESIN WITH AN AVERAGE COMPOSITION OF ((CH3)A(C6H5)BSIOC) IN WHICH A+B HAS A VALUE OF FROM 1.4 TO 2 INCLUSIVE, C HAS A POSITIVE VALUE, A+B+2C HAS A VALUE OF UP TO 3.5 AND IN WHICH 30 TO 75 PER CENT OF THE TOTAL PHENYL AND METHYL RADICALS ARE PHENYL RADICALS.
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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) | 1957-03-15 | 1957-09-14 | 1958-03-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-03-15 | 1961-09-14 | 1962-03-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-03-15 | 1965-09-14 | 1966-03-16 | $7700.00 | Window Closed / Lapsed |