Patent US3787280A successfully refreshed from Google Patents.
US3787280A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Resinous product having sharp color definitions therein
Assignee: Congoleum Corp
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Filing: 1971-03-16
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Granted: 1974-01-22
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Expires: 1991-03-16
Abstract
Abstract A method of producing extruded resinous products from a blend of variously colored resinous granules which contain multifunctional monomers which have been crosslinked in the formation of the chips together with other chips having no cross-linking monomer present, and the product so produced.
Inventors
- 👤 R Conger
- 👤 S Varadhacnary
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:58
CPC Classifications
D; D06; D06N; D06N7/00; D06N7/0005; D06N7/0028; D06N7/0031; C; C08; C08J; C08J5/00
Claims Analysis
Total Claims: 13
Claim 1
Independent Claim
15 words
A method as in claim 1 and including: a. forming said sheetlike product by extrusion.
Claim 2
Dependent Claim
15 words
A method as in claim 1 and including: a. forming said sheetlike product by calendering.
Claim 3
Dependent Claim
15 words
A method as in claim 1 and wherein: a. forming said sheetlike product by pressing.
Claim 4
Dependent Claim
23 words
A method as in claim 2 and wherein: a. said resinous granules comprising crosslinked multifunctional monomers include vinyl monomers crosslinked with acrylic monomers.
Claim 5
Dependent Claim
14 words
A method as in claim 5 and wherein: a. said crosslinked granules are colored.
Claim 6
Dependent Claim
18 words
A method as in claim 5 and wherein: a. said resinous granules free of crosslinked monomers are colored.
Claim 7
Dependent Claim
101 words
A resinous sheet-like product formed from a quantity of variously colored synthetic resinous chips, said product exhibiting good color separation between certain adjacent chips and comprising: a. a quantity of thermoplastic synthetic resinous chips each of which consists essentially of a plasticized thermoplastic synthetic polymer in a network of cross-linked polymer formed from a multi-functional monomer, b. a quantity of plasticized thermoplastic synthetic resinous chips each of which is free of cross-linked monomers, c. said chips containing said cross-linked polymer and said chips free of cross-linked monomers being substantially evenly distributed in said product and having a distinct color separation therebetween.
Claim 8
Dependent Claim
22 words
A resinous sheetlike product as in claim 8 and wherein: a. said first resinous network comprises vinyl monomers crosslinked with acrylic monomers.
Claim 9
Dependent Claim
19 words
A resinous sheetlike product as in claim 9 and wherein: a. said second resinous network comprises a vinyl resin.
Claim 10
Dependent Claim
17 words
A resinous sheetlike product as in claim 10 and wherein: a. said first resinous network includes pigmentation.
Claim 11
Dependent Claim
17 words
A resinous sheetlike product as in claim 10 and wherein: a. said second resinous network includes pigmentation.
Claim 12
Dependent Claim
21 words
A resinous sheetlike product as in claim 10 and wherein: a. each of said first and second resinous networks include pigmentation.
Claim 13
Dependent Claim
33 words
A resinous sheetlike product as in claim 10 and wherein: a. said first resinous network includes approximately 100 parts of a polyvinyl halide, approximately 15 parts trimethylolpropanetrimethacrylate, a plasticizer, and a crosslinking agent.
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) | 1977-01-21 | 1977-07-23 | 1978-01-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-21 | 1981-07-23 | 1982-01-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-21 | 1985-07-23 | 1986-01-22 | $7700.00 | Window Closed / Lapsed |