Patent US4325740A successfully refreshed from Google Patents.
US4325740A
Expired / Lapsed
US
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Polymeric amine metallate coatings
Assignee: EIDP Inc
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Filing: 1980-12-29
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Granted: 1982-04-20
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Expires: 2000-12-29
Abstract
Abstract A particulate or fibrous substrate having a coating of a polymeric amine aluminate or zincate prepared by contacting said substrate with said aluminate or zincate or a precursor thereof and exposing the substrate and aluminate, zincate or precursor to a temperature of 50°-350° C.
Inventors
- 👤 Howard W. Jacobson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:35
CPC Classifications
C; C04; C04B; C04B41/00; C04B41/45; C04B41/46; C04B41/49; C09; C09B; C09B67/00; C09B67/0001; C09B67/0004; C09B67/0008; C09B67/0011; C09C; C09C1/00; C09C1/36; C09C1/3607; C09C1/3669; C09C3/00; C09C3/08; C01; C01P; C01P2004/00; C01P2004/10; C01P2004/50; C01P2004/80; C01P2004/82; C01P2004/84; C01P2006/00; C01P2006/12; C01P2006/60
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
112 words
A solid particulate rutile TiO 2 pigment substrate having a coating consisting essentially of (a) a polymeric amine metallate of the general formula ##STR6## where R is an alkylene radical of from 2-6 carbon atoms, n is an integer of 4-6, q is 1 when M is aluminum and q is 3/2 when M is zinc and M is aluminum or zinc or (b) a polymeric amine metallate of the general formula ##STR7## where p is an integer from 2-5, n is an integer of 4-6, R is as defined above and the amount of aluminum or zinc expressed as an oxide is 0.17-2% by weight based on the weight of substrate.
Claim 2
Dependent Claim
112 words
A solid particulate rutile TiO 2 pigment substrate having a coating consisting essentially of (a) a polymeric amine metallate of the general formula ##STR6## where R is an alkylene radical of from 2-6 carbon atoms, n is an integer of 4-6, q is 1 when M is aluminum and q is 3/2 when M is zinc and M is aluminum or zinc or (b) a polymeric amine metallate of the general formula ##STR7## where p is an integer from 2-5, n is an integer of 4-6, R is as defined above and the amount of aluminum or zinc expressed as an oxide is 0.17-2% by weight based on the weight of substrate.
Claim 3
Dependent Claim
20 words
The coated substrate of claim 1 wherein the substrate has a surface area of at least 1 m 2 /g.
Claim 4
Dependent Claim
31 words
The coated substrate of claim 2 wherein the surface area of the coated substrate is no more than 10% greater than the surface area of the particulate rutile TiO 2 .
Claim 5
Dependent Claim
10 words
The coated substrate of claim 1 wherein M is aluminum.
Claim 6
Dependent Claim
10 words
The coated substrate of claim 1 wherein M is zinc.
Claim 7
Dependent Claim
64 words
A process for preparing a particulate pigment substrate coated with a polymeric amine metallate consisting essentially of coating the substrate with a polymeric amine metallate of the general formula in claim 1 or the precursors thereof and exposing the substrate and amine metallate or the precursors thereof to a temperature of from 50°-350° C. to prepare the substrate coated with the polymeric amine metallate.
Claim 8
Dependent Claim
19 words
The process of claim 6 wherein R is an alkylene radical of 2 carbon atoms and M is aluminum.
Claim 9
Dependent Claim
19 words
The process of claim 6 wherein R is an alkylene radical of 2 carbon atoms and M is zinc.
Claim 10
Dependent Claim
50 words
The process of claim 6 wherein the substrate is coated with polymeric amine metallate by mixing the precursors of the polymeric amine metallate with the substrate in a fluid energy mill to polymerize said precursors and attach the polymer formed to the substrate at a temperature of from 150°-350° C.
Claim 11
Dependent Claim
39 words
The process of claim 6 wherein the substrate is coated with the polymeric amine metallate by mixing said polymer with the substrate in a fluid energy mill in the presence of steam at a temperature of from 150°-350° C.
Claim 12
Dependent Claim
13 words
The process of claim 6 wherein the polymeric amine metallate is triethanolamine aluminate.
Claim 13
Dependent Claim
13 words
The process of claim 6 wherein the polymeric amine metallate is triethanolamine zincate.
Claim 14
Dependent Claim
13 words
The process of claim 9 wherein the polymeric amine metallate is triethanolamine aluminate.
Claim 15
Dependent Claim
13 words
The process of claim 9 wherein the polymeric amine metallate is triethanolamine zincate.
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) | 1985-04-19 | 1985-10-19 | 1986-04-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-04-19 | 1989-10-19 | 1990-04-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-04-19 | 1993-10-19 | 1994-04-20 | $7700.00 | Window Closed / Lapsed |