Patent US6445939B1 successfully refreshed from Google Patents.
US3185751A
Expired / Lapsed
US
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Manufacture of latices, dispersions and compounds of polymeric organic materials containing metal
Assignee: Veedip Ltd
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Filing: 1961-12-11
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Granted: 1965-05-25
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Expires: 1981-12-11
Abstract
No abstract record available.
Inventors
- 👤 Sutton Sidney David
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:20
CPC Classifications
B; B29; B29C; B29C41/00; B29C41/02; B29C41/14; B29D; B29D99/00; B29D99/0064; B29D99/0067; C; C08; C08K; C08K3/00; C08K3/02; C08K3/08; B29K; B29K2021/00; B29L; B29L2031/00; B29L2031/48; B29L2031/4842; B29L2031/4864; Y; Y10; Y10S; Y10S524/00; Y10S524/925; Y10S524/926; Y10T; Y10T428/00; Y10T428/31504; Y10T428/31855
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
98 words
A METHOD OF MANUFACTURING A FLEXIBLE ARTICLE OF MATERIAL CONTAINING A HIGH PROPORTION OF LEAD FROM A LATEX WHICH COMPRISES PREPARING A LIQUID AQUEOUS DISPERSION OF LEAD OF A PARTICLE SIZE OF LESS THAN 6 MICRONS, MIXING THE DISPERSION WITH THE LATEX TO FORM A COMPOUNDED LATEX IN LIQUID FORM, ALLOWING THE MIXTURE TO MATURE UNTIL IT BECOMES STABLE AND THEN DEPOSITING A SOLID FLEXIBLE COMPOUND FROM THE LATEX, THE CONCENTRATION AND QUANTITY OF THE LEAD DISPERSION BEING SUCH THAT THE RESULTANT FLEXIBLE COMPOUND HAS A HIGHER LEAD CONTENT BY WEIGHT THAN ITS CONTENT OF ORGANIC POLYMERIC MATERIAL.
Claim 2
Dependent Claim
43 words
A METHOD OF MANUFACTURING AN ARTICLE, AS CLAIMED IN CLAIM 7, IN WHICH THE ARTICLE IS FORMED BY A PROCESS INVOLVING DIPPING A SHAPED FORMER IN THE COMPOUNDED LATEX TO DEPOSIT A LAYER OF THE ORGANIC POLYMERIC MATERIAL CONTAINING LEAD ON THE FORMER.
Claim 3
Dependent Claim
40 words
A METHOD AS CLAIMED IN CLAIM 12 IN WHICH PRIOR, TO DIPPING IN THE COMPOUND LATEX CONTAINING LEAD THE FORMER IS DIPPED IN A LATEX NOT CONTAINING LEAD TO DEPOSIT A LAYER OF ORGANIC POLYMERIC MATERIAL NOT CONTAINING LEAD THEREON.
References Cited (Backward Citations)
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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) | 1968-05-24 | 1968-11-23 | 1969-05-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-05-24 | 1972-11-23 | 1973-05-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-05-24 | 1976-11-23 | 1977-05-25 | $7700.00 | Window Closed / Lapsed |