US4408009A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Co-condensates of alkyl silicates and alkoxy silanes
Assignee: Akzo NV
•
Filing: 1982-02-17
•
Granted: 1983-10-04
•
Expires: 2002-02-17
Abstract
Abstract Co-condensates of alkyl silicates and alkyl or aryl trialkoxy or dialkyl or aralkyl dialkoxy silanes filled with high temperature resistant pigments form films capable of withstanding temperatures as high as 600 DEG C.
Inventors
- 👤 Charles B. Mallon
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:50
CPC Classifications
C; C09; C09D; C09D183/00; C09D183/04
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
55 words
Coating composition comprising a co-condensate of an organic orthosilicate and an alkyl or aryl trialkoxy or a dialkyl or arylalkyl dialkoxy silane in a ratio of about 3:1 to about 1:3 admixed with about 200 to about 1000 parts per 100 parts by volume of said co-condensate of a high temperature resistant pigment or filler.
Claim 2
Dependent Claim
55 words
Coating composition comprising a co-condensate of an organic orthosilicate and an alkyl or aryl trialkoxy or a dialkyl or arylalkyl dialkoxy silane in a ratio of about 3:1 to about 1:3 admixed with about 200 to about 1000 parts per 100 parts by volume of said co-condensate of a high temperature resistant pigment or filler.
Claim 3
Dependent Claim
12 words
Coating composition claimed in claim 1 wherein the co-condensate is 90% hydrolyzed.
Claim 4
Dependent Claim
12 words
Coating composition claimed in claim 1 wherein the co-condensate is 120% hydrolyzed.
Claim 5
Dependent Claim
12 words
Coating composition claimed in claim 1 wherein the co-condensate is 150% hydrolyzed.
Claim 6
Dependent Claim
13 words
Coating composition claimed in claim 1 wherein the organic orthosilicate is ethyl silicate.
Claim 7
Dependent Claim
13 words
Coating composition claimed in claim 1 wherein the alkyltrialkoxy silane is methyltriethoxy silane.
Claim 8
Dependent Claim
14 words
Coating composition claimed in claim 1 wherein the aryl trialkoxy silane is phenyltriethoxy silane.
Claim 9
Dependent Claim
14 words
Coating composition claimed in claim 1 wherein the dialkyl dialkoxy silane is dimethyl diethoxysilane.
Claim 10
Dependent Claim
14 words
Coating composition claimed in claim 1 wherein the arylalkyl dialkoxy silane is phenylmethyldiethoxy silane.
Claim 11
Dependent Claim
18 words
Coating composition claimed in claim 1 wherein the high temperature resistant pigment is titanium dioxide, TiO 2 .
Claim 12
Dependent Claim
14 words
Coating composition claimed in claim 1 wherein the high temperature resistant pigment is mica.
Claim 13
Dependent Claim
25 words
Coating composition claimed in claim 1 wherein the high temperature resistant pigment is an inorganic pigment, whose major components are iron, manganese and copper oxides.
References Cited (Backward Citations)
US2470562A
Cited
US2698314A
Cited
US2927907A
Cited
US2975494A
Cited
US3347816A
Cited
US4173490A
Cited
US4186026A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-10-03 | 1987-04-04 | 1987-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-10-03 | 1991-04-04 | 1991-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-10-03 | 1995-04-04 | 1995-10-04 | $7700.00 | Window Closed / Lapsed |