US 7,344,568 B2 | ||
Tear resistant gels, composites, and liner articles | ||
John Y. Chen, Hillsborough, Calif. (US) | ||
Assigned to Applied Elastomerics, Inc., South San Francisco, Calif. (US) | ||
Filed on Apr. 21, 2003, as Appl. No. 10/420,492. | ||
Application 10/420492 is a continuation in part of application No. 10/334542, filed on Dec. 31, 2002, granted, now 7,159,259. | ||
Application 10/334542 is a continuation in part of application No. 10/299073, filed on Nov. 18, 2002. | ||
Application 10/299073 is a continuation in part of application No. 10/273828, filed on Oct. 17, 2002, granted, now 6,909,220. | ||
Application 10/273828 is a continuation in part of application No. 10/199364, filed on Jul. 20, 2002, granted, now 6,794,440. | ||
Application 10/199364 is a continuation in part of application No. 10/199363, filed on Jul. 20, 2002. | ||
Application 10/199363 is a continuation in part of application No. 10/199362, filed on Jul. 20, 2002. | ||
Application 10/199362 is a continuation in part of application No. 10/199361, filed on Jul. 20, 2002. | ||
Application 10/199361 is a continuation in part of application No. 09/896047, filed on Jun. 30, 2001. | ||
Application 09/896047 is a continuation in part of application No. 09/721213, filed on Nov. 21, 2000, granted, now 6,867,253. | ||
Application 09/721213 is a continuation in part of application No. 09/517230, filed on Mar. 02, 2000, abandoned. | ||
Application 09/517230 is a continuation in part of application No. 09/412886, filed on Oct. 05, 1999, abandoned. | ||
Application 09/412886 is a continuation in part of application No. 09/285809, filed on Apr. 01, 1999, abandoned. | ||
Application 09/285809 is a continuation in part of application No. 09/274498, filed on Mar. 28, 1999, granted, now 6,420,475. | ||
Application 09/274498 is a continuation in part of application No. 09/130545, filed on Aug. 08, 1998, granted, now 6,627,275. | ||
Application 09/130545 is a continuation in part of application No. 08/984459, filed on Dec. 03, 1997, granted, now 6,324,703. | ||
Application 08/984459 is a continuation in part of application No. PCT/US97/17534, filed on Sep. 30, 1997. | ||
Application PCT/US97/17534 is a continuation in part of application No. 08/909487, filed on Aug. 12, 1997, granted, now 6,050,871. | ||
Application 08/909487 is a continuation in part of application No. 08/863794, filed on May 27, 1997, granted, now 6,117,176. | ||
Application 08/863794 is a continuation in part of application No. 08/719817, filed on Sep. 30, 1996, granted, now 6,148,830. | ||
Application 08/719817 is a continuation in part of application No. 08/665343, filed on Jun. 17, 1996. | ||
Application 08/665343 is a continuation in part of application No. 08/612586, filed on Mar. 08, 1996, granted, now 6,552,109. | ||
Application 08/612586 is a continuation in part of application No. 08/581191, filed on Dec. 29, 1995, granted, now 5,760,117. | ||
Application 08/581191 is a continuation in part of application No. 08/581188, filed on Dec. 29, 1995, abandoned. | ||
Application 08/581188 is a continuation in part of application No. 08/581125, filed on Dec. 29, 1995, granted, now 5,962,572. | ||
Application 08/581125 is a continuation in part of application No. 08/288690, filed on Aug. 11, 1994, granted, now 5,633,286. | ||
Application 08/288690 is a continuation in part of application No. PCT/US94/07314, filed on Jun. 27, 1994. | ||
Application PCT/US94/07314 is a continuation in part of application No. PCT/US94/04278, filed on Apr. 19, 1994. | ||
Application 08/581188 is a continuation in part of application No. 08/288690. | ||
Application 08/288690 is a continuation in part of application No. PCT/US94/07314. | ||
Application PCT/US94/07314 is a continuation in part of application No. PCT/US94/04278. | ||
Application 08/581191 is a continuation in part of application No. 08/288690. | ||
Application 08/288690 is a continuation in part of application No. PCT/US94/07314. | ||
Application 08/581125 is a continuation in part of application No. 08/288690. | ||
Application 08/288690 is a continuation in part of application No. PCT/US94/07314. | ||
Prior Publication US 2005/0184619 A1, Aug. 25, 2005 | ||
Int. Cl. A61F 2/80 (2006.01) |
U.S. Cl. 623—36 [442/85; 428/319.3; 428/441; 524/270; 524/474; 524/481; 524/505] | 12 Claims |
1. A gel liner comprising a composite article of a gelatinous elastomer composition, G, in contact with one or more of a selected
substrate material, M, said gelatinous elastomer composition comprising:
(i) 100 parts by weight of one or more of a hydrogenated styrene isoprene/butadiene styrene block copolymer(s) selected from
a hydrogenated styrene block polymer with hydrogenated elastomer midblocks of poly(2-methyl-1,3-butadiene) and poly(1,3-butadiene),
a hydrogenated styrene block polymer with hydrogenated elastomer midblocks of poly(2-methyl-1,3-butadiene and 1,3-butadiene),
and a poly(styrene-ethylene-ethylene-styrene) and
(ii) about 300 to about 1,600 parts by weight of a plasticizing oil; in combination with or without
(iii) a selected amount of one or more polymers or copolymers of poly(styrene-butadiene-styrene), poly(styrene-butadiene)n, poly(styrene-isoprene-styrene)n, poly(styrene-isoprene)n, poly(styrene-ethylene-propylene), poly(styrene-ethylene-propylene-styrene), poly(styrene-ethylene-butylene-styrene), poly(styrene-ethylene-butylene),
poly(styrene-ethylene-propylene)n, poly(styrene-ethylene-butylene)n, low viscosity poly(styrene-ethylene-butylene-styrene), polystyrene, polybutylene, poly(ethylene-propylene), poly(ethylene-butylene),
polypropylene, or polyethylene, wherein said selected copolymer is a linear, radial, star-shaped, branched or multiarm copolymer,
wherein n is greater than one; and wherein said composite formed from the combination GnGn, GnMn, GnMnMn, GnMnMnGn, GnGnMnMn, GnMnGnMnMn, GnMnGn, MnGnMn, GnGnMn, MnMnMnGn, MnMnMnGnMn, MnGnGnMn, GnMnGnGn, GnMnMnGn, GnGnMnMn, GnGnMnGnMn, GnMnGnMnMn, MnGnMnGnMnGn, GnGnMnMnGn, GnGnMnGnMnGn, a sequential addition or a permutation of one or more of said Gn with or without one or more Mn; wherein when n is a subscript of M, n is the same or different selected from the group consisting of foam, plastic, fabric,
metal, ceramics, synthetic resin, synthetic fibers or refractory materials; and wherein when n is a subscript of G, n denotes
the same or a different gel rigidity; said composite article having the shape of a liner for lower extremity socket insert
above the knee amputee prosthesis formed by injection molding, extruding, spinning, casting, or dipping of said gel.
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