US3640747A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of reducing sandiness in vinyl coatings
Assignee: Polymer Corp
•
Filing: 1968-09-12
•
Granted: 1972-02-08
•
Expires: 1988-09-12
Abstract
Abstract A method of reducing sandiness in a vinyl coating produced by a heat fusion coating process. A soluble organic tin compound is included as a component of the vinyl coating composition.
Inventors
- 👤 Douglas Steven Richart
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:10
CPC Classifications
C; C08; C08K; C08K5/00; C08K5/56; C08K5/57; C09; C09D; C09D127/00; C09D127/02; C09D127/04; C09D127/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
16 words
The method of claim 1 wherein the article to be coated is substantially fabricated from wire.
Claim 2
Dependent Claim
78 words
In a heat fusion coating process requiring a post heating step for coating an article using a vinyl resin composition comprised of polyvinyl chloride, copolymers of vinyl chloride, mixtures of polyvinyl chloride and vinyl chloride copolymers, or mixtures of these polymers with less than 20 percent of another resin, a method of reducing sandiness in a coating produced by said process comprising including a soluble organic tin compound which is a stabilizer for vinyl resins in said composition.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-07 | 1975-08-09 | 1976-02-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-07 | 1979-08-09 | 1980-02-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-07 | 1983-08-09 | 1984-02-08 | $7700.00 | Window Closed / Lapsed |