US4597108A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Powderfree surgical gloves
Assignee: Individual
•
Filing: 1984-11-28
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Granted: 1986-07-01
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Expires: 2004-11-28
Abstract
Abstract A latex article such as a glove or girdle having a halogenated outside surface to a first degree and a halogenated inside surface to a second degree thereby providing different slippery coefficient surfaces on the outside and the inside of the article without the need of powders, resins or exterior finishes.
Inventors
- 👤 Akira Momose
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:24
CPC Classifications
B; B29; B29D; B29D99/00; B29D99/0064; B29D99/0067; A; A41; A41D; A41D19/00; A41D19/0055; A41D19/0058; A41D19/0062; B29L; B29L2031/00; B29L2031/48; B29L2031/4842; B29L2031/4864
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
28 words
A method of producing natural rubber surgical gloves comprising the steps of halogenating both the outside surface and the inside surface of the gloves for different time periods.
Claim 2
Independent Claim
28 words
A method of producing natural rubber surgical gloves comprising the steps of halogenating both the outside surface and the inside surface of the gloves for different time periods.
Claim 3
Dependent Claim
32 words
A method according to claim 1 in which the inside surface is halogenated for a period of time that is twice as long as the time used to halogenate the outside surface.
Claim 4
Dependent Claim
35 words
A method according to claim 1 in which the outside surface is halogenated for a time period ranging from 70 seconds to 110 seconds in a 50,000 ppm concentration at substantially 20 degrees Centigrade temperature.
Claim 5
Dependent Claim
43 words
A method according to claim 1 in which the inside surface is halogenated for a period of time over a range of 150 seconds to 220 seconds in a concentration of approximately 50,000 ppm held at a temperature of approximately 20 degrees Centigrade.
Claim 6
Dependent Claim
29 words
A natural rubber surgical glove comprising a halogenated outside surface and a halogenated inside surface and in which the halogenated outside surface is different from said halogenated inside surface.
Claim 7
Dependent Claim
29 words
A natural rubber surgical glove comprising a halogenated outside surface and a halogenated inside surface and in which the halogenated outside surface is different from said halogenated inside surface.
References Cited (Backward Citations)
US3411982A
Cited
US3740262A
Cited
US3856561A
Cited
US3967014A
Cited
US4027060A
Cited
US4082862A
Cited
US3992221A
Cited
US4304008A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-06-30 | 1989-12-30 | 1990-07-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-06-30 | 1993-12-30 | 1994-07-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-06-30 | 1997-12-30 | 1998-07-01 | $7700.00 | Window Closed / Lapsed |