US5017647A
Expired / Lapsed
US
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Black-pigmented polymeric compositions of matter
Assignee: Metton America Inc
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Filing: 1990-06-05
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Granted: 1991-05-21
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Expires: 2010-06-05
Abstract
Abstract A pigmented polymeric composition of matter is provided which comprises units derived from ring-opening metathesis catalyst polymerization of a norbornene-type monomer or mixtures of norbornene-type monomers, and from about 0.05 to about 25 parts by weight, per 100 parts norbornene-type monomer, of carbon black which is substantially free of oxygen.
Inventors
- 👤 Alvin L. Dougal, Jr.
- 👤 Shigeyoshi Hara
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 19:28
CPC Classifications
C; C08; C08G; C08G61/00; C08G61/02; C08G61/04; C08G61/06; C08G61/08; C08K; C08K3/00; C08K3/02; C08K3/04
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
106 words
A process of polymerizing norbornene-type monomers or a mixture of norbornene-type monomers by a ring opening metathesis catalyst polymerization reaction, in the presence of carbon black prepared by thermal decomposition processes and which is substantially free of oxygen, said process comprising adding said carbon black to said monomers and polymerizing said monomers wherein said norbornene-type monomer is selected from the group consisting of dicyclopentadiene, trimers and higher oligomers of dicyclopentadiene, norbornene, norbornadiene, tetracyclododecenes and tetracyclododecadienes and mixtures thereof, and wherein the amount of carbon black is from about 0.05 parts to about 25 parts by weight per 100 parts norbornene-type monomer or mixture of such monomers.
Claim 2
Dependent Claim
106 words
A process of polymerizing norbornene-type monomers or a mixture of norbornene-type monomers by a ring opening metathesis catalyst polymerization reaction, in the presence of carbon black prepared by thermal decomposition processes and which is substantially free of oxygen, said process comprising adding said carbon black to said monomers and polymerizing said monomers wherein said norbornene-type monomer is selected from the group consisting of dicyclopentadiene, trimers and higher oligomers of dicyclopentadiene, norbornene, norbornadiene, tetracyclododecenes and tetracyclododecadienes and mixtures thereof, and wherein the amount of carbon black is from about 0.05 parts to about 25 parts by weight per 100 parts norbornene-type monomer or mixture of such monomers.
Claim 3
Dependent Claim
11 words
The process of claim 1 wherein said norbornene-type monomer is dicyclopentadiene.
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) | 1994-05-20 | 1994-11-19 | 1995-05-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1998-05-20 | 1998-11-19 | 1999-05-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2002-05-20 | 2002-11-19 | 2003-05-21 | $7700.00 | Window Closed / Lapsed |