US4758461A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recording paper and ink jet recording method by use thereof
Assignee: CAON 30-2 3-CHOME SIMOMARUKO OHTA-KU TOKYO JAPAN A CORP OF JAPAN KK
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Filing: 1987-12-03
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Granted: 1988-07-19
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Expires: 2007-12-03
Abstract
Abstract A recording paper comprises a fibrous substrate paper on the surface of which a silicon containing type pigment and a fibrous material of the substrate paper are present in a mixed state, said recording paper having a Stockigt sizing degree ranging from 0 to 15 sec. and a basis weight ranging from 90 to 200 g/m 2 .
Inventors
- 👤 Takashi Akiya
- 👤 Ryuichi Arai
- 👤 Mamoru Sakaki
- 👤 Naoya Morohoshi
- 👤 Megumi Munakata
- 👤 Masako Saito
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:43
CPC Classifications
B; B41; B41M; B41M5/00; B41M5/50; B41M5/52; D; D21; D21H; D21H19/00; D21H19/36; B41M5/5218; B41M5/5254; Y; Y10; Y10T; Y10T428/00; Y10T428/27; Y10T428/273; Y10T428/277; Y10T428/31504; Y10T428/31971; Y10T428/31993
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
58 words
A recording paper comprising a fibrous substrate paper on the surface of which a silicon containing type pigment and a fibrous material of the substrate paper are present in a mixed state, said recording paper having a Stockigt sizing degree ranging from 0 to 15 sec. and a basis weight ranging from 90 to 200 g/m 2 .
Claim 2
Dependent Claim
58 words
A recording paper comprising a fibrous substrate paper on the surface of which a silicon containing type pigment and a fibrous material of the substrate paper are present in a mixed state, said recording paper having a Stockigt sizing degree ranging from 0 to 15 sec. and a basis weight ranging from 90 to 200 g/m 2 .
Claim 3
Dependent Claim
21 words
A recording paper according to claim 1, wherein the Stockigt sizing degree is in the range of 0 to 10 sec.
Claim 4
Dependent Claim
21 words
A recording paper according to claim 1, wherein the Stockigt sizing degree is in the range of 0 to 5 sec.
Claim 5
Dependent Claim
22 words
A recording paper according to claim 1, wherein the basis weight is in the range of 90 to 160 g/m 2 .
Claim 6
Dependent Claim
32 words
A recording paper according to claim 1, wherein the oil absorption of said silicon containing type pigment according to JIS K 5101 is in the range of 80 to 300 ml/100 g.
Claim 7
Dependent Claim
22 words
A recording paper according to claim 1, wherein said silicon containing type pigment is silica, calcium silicate, aluminum silicate or magnesium silicate.
Claim 8
Dependent Claim
85 words
A recording paper comprising a fibrous substrate paper on the surface of which a coating liquid containing a silicon containing type pigment and an aqueous binder at a weight ratio of 1/1-3/1 is coated, and on the surface of which a silicon containing type pigment and a fibrous material of the substrate paper are present in a mixed state, said recording paper having a Stockigt sizing degree ranging from 0 to 15 sec. and a basis weight ranging from 90 to 200 g/m 2 .
Claim 9
Dependent Claim
85 words
A recording paper comprising a fibrous substrate paper on the surface of which a coating liquid containing a silicon containing type pigment and an aqueous binder at a weight ratio of 1/1-3/1 is coated, and on the surface of which a silicon containing type pigment and a fibrous material of the substrate paper are present in a mixed state, said recording paper having a Stockigt sizing degree ranging from 0 to 15 sec. and a basis weight ranging from 90 to 200 g/m 2 .
Claim 10
Dependent Claim
21 words
A recording paper according to claim 7, wherein the Stockigt sizing degree is in the range of 0 to 10 sec.
Claim 11
Dependent Claim
21 words
A recording paper according to claim 7, wherein the Stockigt sizing degree is in the range of 0 to 5 sec.
Claim 12
Dependent Claim
22 words
A recording paper according to claim 1, wherein the basis weight is in the range of 90 to 150 g/m 2 .
Claim 13
Dependent Claim
32 words
A recording paper according to claim 7, wherein the oil absorption of said silicon containing type pigment according to JIS K 5101 is in the range of 80 to 300 ml/100 g.
Claim 14
Dependent Claim
22 words
A recording paper according to claim 7, wherein said silicon containing type pigment is silica, calcium silicate, aluminum silicate or magnesium silicate.
References Cited (Backward Citations)
US4478910A
Cited
US4636410A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-07-19 | 1992-01-18 | 1992-07-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-07-19 | 1996-01-18 | 1996-07-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-07-19 | 2000-01-18 | 2000-07-19 | $7700.00 | Window Closed / Lapsed |