Patent US5456750A successfully refreshed from Google Patents.
US5456750A
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US
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Carbon blacks
Assignee: Cabot Corp
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Filing: 1994-02-25
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Granted: 1995-10-10
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Expires: 2014-02-25
Abstract
Abstract Novel furnace carbon blacks that impart advantageous properties to rubber and plastic compositions and may be utilized in place of lamp blacks, thermal carbon blacks and blends of carbon blacks. Also disclosed are novel rubber and plastic compositions incorporating the novel carbon blacks which exhibit advantageous combinations of compound processing and physical performance properties.
Inventors
- 👤 Bruce E. Mackay
- 👤 Barrie J. Yates
- 👤 Mark A. Wilkinson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 22:37
CPC Classifications
C; C09; C09C; C09C1/00; C09C1/44; C09C1/48; C09C1/50; C08; C08K; C08K3/00; C08K3/02; C08K3/04; C01; C01P; C01P2004/00; C01P2004/60; C01P2004/62; C01P2006/00; C01P2006/19; C01P2006/22
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
19 words
A furnace carbon black having an I 2 No. of 12-18 mg/g and a DBP of 28-33 cc/100 g.
Claim 2
Dependent Claim
19 words
A furnace carbon black having an I 2 No. of 12-18 mg/g and a DBP of 28-33 cc/100 g.
Claim 3
Dependent Claim
14 words
The carbon black of claim 1 wherein the I 2 No. is 15 mg/g.
Claim 4
Dependent Claim
27 words
A carbon black having an I 2 No. of 33-70 mg/g, a DBP of 28-60 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 5
Dependent Claim
27 words
A carbon black having an I 2 No. of 33-70 mg/g, a DBP of 28-60 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 6
Dependent Claim
27 words
A carbon black having an I 2 No. of 42-50 mg/g, a DBP of 61-105 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 7
Dependent Claim
27 words
A carbon black having an I 2 No. of 42-50 mg/g, a DBP of 61-105 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 8
Dependent Claim
27 words
A carbon black having an I 2 No. of 51-62 mg/g, a DBP of 61-125 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 9
Dependent Claim
27 words
A carbon black having an I 2 No. of 51-62 mg/g, a DBP of 61-125 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 10
Dependent Claim
27 words
A carbon black having an I 2 No. of 63-70 mg/g, a DBP of 61-105 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 11
Dependent Claim
27 words
A carbon black having an I 2 No. of 63-70 mg/g, a DBP of 61-105 cc/100 g and an M-Ratio of the carbon black aggregate of 1.25-2.00.
Claim 12
Dependent Claim
23 words
A composition of matter comprising a material selected from the group consisting of rubbers and plastics, and a carbon black of claim 1.
Claim 13
Dependent Claim
23 words
A composition of matter comprising a material selected from the group consisting of rubbers and plastics, and a carbon black of claim 3.
Claim 14
Dependent Claim
23 words
A composition of matter comprising a material selected from the group consisting of rubbers and plastics, and a carbon black of claim 4.
Claim 15
Dependent Claim
23 words
A composition of matter comprising a material selected from the group consisting of rubbers and plastics, and a carbon black of claim 5.
Claim 16
Dependent Claim
23 words
A composition of matter comprising a material selected from the group consisting of rubber and plastics, and a carbon black of claim 6.
References Cited (Backward Citations)
GB1011905A
Cited
US3787562A
Cited
US4221772A
Cited
US4500672A
Cited
JPS6147758A
Cited
US5190739A
Cited
US5229452A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1998-10-09 | 1999-04-10 | 1999-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2002-10-09 | 2003-04-10 | 2003-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2006-10-09 | 2007-04-10 | 2007-10-10 | $7700.00 | Window Closed / Lapsed |