ATE457230T1 - Laminiertes körperstützelement - Google Patents

Laminiertes körperstützelement

Info

Publication number
ATE457230T1
ATE457230T1 AT04799299T AT04799299T ATE457230T1 AT E457230 T1 ATE457230 T1 AT E457230T1 AT 04799299 T AT04799299 T AT 04799299T AT 04799299 T AT04799299 T AT 04799299T AT E457230 T1 ATE457230 T1 AT E457230T1
Authority
AT
Austria
Prior art keywords
viscoelastic foam
reinforcing layer
foam layer
support element
laminated body
Prior art date
Application number
AT04799299T
Other languages
English (en)
Inventor
David Woolfson
Padraig Hackett
Original Assignee
Lancastria Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lancastria Ltd filed Critical Lancastria Ltd
Application granted granted Critical
Publication of ATE457230T1 publication Critical patent/ATE457230T1/de

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/18—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by features of a layer of foamed material
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/001—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with several cushions, mattresses or the like, to be put together in one cover
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/002—Mattress or cushion tickings or covers
    • A47C27/005—Mattress or cushion tickings or covers liquid-impermeable
    • A47C27/006—Mattress or cushion tickings or covers liquid-impermeable breathable
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/22—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with both fibrous and foamed material inlays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C31/00—Details or accessories for chairs, beds, or the like, not provided for in other groups of this subclass, e.g. upholstery fasteners, mattress protectors, stretching devices for mattress nets
    • A47C31/006—Use of three-dimensional fabrics
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B27/00—Layered products comprising a layer of synthetic resin
    • B32B27/12—Layered products comprising a layer of synthetic resin next to a fibrous or filamentary layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/026—Knitted fabric
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/02—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer
    • B32B5/08—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by structural features of a fibrous or filamentary layer the fibres or filaments of a layer being of different substances, e.g. conjugate fibres, mixture of different fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B5/00—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts
    • B32B5/22—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed
    • B32B5/24—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer
    • B32B5/245—Layered products characterised by the non- homogeneity or physical structure, i.e. comprising a fibrous, filamentary, particulate or foam layer; Layered products characterised by having a layer differing constitutionally or physically in different parts characterised by the presence of two or more layers which are next to each other and are fibrous, filamentary, formed of particles or foamed one layer being a fibrous or filamentary layer another layer next to it being a foam layer
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2262/00—Composition or structural features of fibres which form a fibrous or filamentary layer or are present as additives
    • B32B2262/02—Synthetic macromolecular fibres
    • B32B2262/0253—Polyolefin fibres
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B32—LAYERED PRODUCTS
    • B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
    • B32B2307/00—Properties of the layers or laminate
    • B32B2307/70—Other properties
    • B32B2307/724—Permeability to gases, adsorption
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/23—Sheet including cover or casing
    • Y10T428/233—Foamed or expanded material encased
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3179—Woven fabric is characterized by a particular or differential weave other than fabric in which the strand denier or warp/weft pick count is specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/30—Woven fabric [i.e., woven strand or strip material]
    • Y10T442/3325—Including a foamed layer or component
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/45—Knit fabric is characterized by a particular or differential knit pattern other than open knit fabric or a fabric in which the strand denier is specified
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T442/00—Fabric [woven, knitted, or nonwoven textile or cloth, etc.]
    • Y10T442/40—Knit fabric [i.e., knit strand or strip material]
    • Y10T442/469—Including a foamed layer or component

Landscapes

  • Engineering & Computer Science (AREA)
  • Textile Engineering (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Laminated Bodies (AREA)
AT04799299T 2003-11-12 2004-11-12 Laminiertes körperstützelement ATE457230T1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IE20030849A IES20030849A2 (en) 2003-11-12 2003-11-12 A mattress
PCT/IE2004/000158 WO2005046988A1 (en) 2003-11-12 2004-11-12 Laminated body support element

Publications (1)

Publication Number Publication Date
ATE457230T1 true ATE457230T1 (de) 2010-02-15

Family

ID=34113373

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04799299T ATE457230T1 (de) 2003-11-12 2004-11-12 Laminiertes körperstützelement

Country Status (9)

Country Link
US (2) US20070271705A1 (de)
EP (1) EP1687139B1 (de)
AT (1) ATE457230T1 (de)
AU (1) AU2004289540A1 (de)
CA (1) CA2545830A1 (de)
DE (1) DE602004025495D1 (de)
IE (1) IES20030849A2 (de)
IL (1) IL175618A0 (de)
WO (1) WO2005046988A1 (de)

Families Citing this family (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8025964B2 (en) 1994-06-03 2011-09-27 Tempur World, Llc Laminated visco-elastic support
US20110047708A1 (en) * 2009-09-02 2011-03-03 Denver Mattress Co. Llc Mattresses with heat dissipation
US20110173757A1 (en) * 2009-09-02 2011-07-21 Denver Mattress Co. Llc Cushioning devices and methods
US7469437B2 (en) * 2005-06-24 2008-12-30 Tempur-Pedic Management, Inc. Reticulated material body support and method
DE102005043864A1 (de) * 2005-09-10 2007-03-22 Schäfer, Rita Ventilationsmatratze
NL1030014C2 (nl) * 2005-09-25 2007-03-27 Asc N V Belgie Ondersteuningsorgaan voor een baby- of kindermatras en baby- of kindermatras.
AU2006318607B2 (en) 2005-11-21 2011-07-07 Nightgear Llc Seating accessory
US7917403B2 (en) 2005-11-21 2011-03-29 Nightgear Llc Seating accessory
US7914611B2 (en) 2006-05-11 2011-03-29 Kci Licensing, Inc. Multi-layered support system
EP1932454A1 (de) * 2006-12-13 2008-06-18 Frank De Bock Matratzenträger
EP2050865B1 (de) * 2007-10-15 2014-11-26 Bayer Intellectual Property GmbH Bodenbedeckung mit viskoelastischen Dämpfungseigenschaften
US20090136718A1 (en) * 2007-11-28 2009-05-28 Paul Dacey Reinforced Bonded Constructs
WO2009111822A1 (en) * 2008-03-11 2009-09-17 A.H. Beard Pty Ltd A mattress
NL1036131C (en) * 2008-10-30 2010-05-04 Maxtras B V Visco-elastic body supporting device with improved comfort.
EP2352403B1 (de) 2008-11-19 2014-03-19 Huntleigh Technology Limited Mehrschichtiges trägersystem
EP2379039B1 (de) * 2008-12-17 2016-02-17 Stryker Corporation Patientenliege
IT1395230B1 (it) * 2009-07-30 2012-09-05 Ovattificio Fortunato S R L Corpo multistrato per imbottiture di materassi, sedie e simili e relativo procedimento di realizzazione.
US9820904B2 (en) 2011-07-13 2017-11-21 Stryker Corporation Patient/invalid handling support
KR200458506Y1 (ko) * 2010-04-12 2012-02-22 주식회사 토탈키즈 유아용 캐리어 통풍 패드
WO2012048305A2 (en) * 2010-10-07 2012-04-12 Banyan Licensing, L.L.C. Pillow for use with assisted breathing masks
US8918930B2 (en) 2011-01-04 2014-12-30 Huntleigh Technology Limited Methods and apparatuses for low-air-loss (LAL) coverlets and airflow units for coverlets
ES1075387Y (es) * 2011-06-29 2011-12-27 Servicio Andaluz De Salud Almohada hospitalaria
US20140283305A1 (en) * 2011-07-15 2014-09-25 Simon Zysman Pillow and mattress pad system with variable zones of elasticity
AU2012286707B2 (en) 2011-07-28 2017-04-06 Arjo Ip Holding Ab Multi-layered support system
CA2855227C (en) 2011-10-03 2019-12-24 Huntleigh Technology Limited Multi-layered support system
US20130164482A1 (en) * 2011-10-14 2013-06-27 Anthony Tornetta Decorative and Protective Covering
US20130212808A1 (en) 2012-02-21 2013-08-22 Charles A. Lachenbruch Topper with Targeted Fluid Flow Distribution
US20130291311A1 (en) * 2012-05-02 2013-11-07 Yu-Chieh Wang Ventilating Pad With Buffer And Elastic Support
CA2885402C (en) 2012-07-27 2020-08-18 Tempur-Pedic Management, Llc Body support cushion having multiple layers of phase change material
JP3181466U (ja) * 2012-11-29 2013-02-07 株式会社シーリージャパン マットレス及びベッド用敷寝具
US9138064B2 (en) 2013-01-18 2015-09-22 Fxi, Inc. Mattress with combination of pressure redistribution and internal air flow guides
US9392875B2 (en) 2013-01-18 2016-07-19 Fxi, Inc. Body support system with combination of pressure redistribution and internal air flow guide(s) for withdrawing heat and moisture away from body reclining on support surface of body support system
GB201305323D0 (en) * 2013-03-22 2013-05-08 Kit For Kids Ltd Mattress
WO2015019199A1 (en) * 2013-08-06 2015-02-12 Dan-Foam Aps Body support
ES2432420B1 (es) * 2013-09-13 2014-08-04 European Sleep Care Institute S.L. Colchón para bebés
US20150115675A1 (en) 2013-10-29 2015-04-30 Patrick John Winkelman Personal Comfort Pad
US20150320626A1 (en) * 2014-04-10 2015-11-12 Lisa Lander C-spine pressure distributive support
ES2571628B1 (es) * 2014-11-25 2017-03-03 David VERDE SÁNCHEZ Almohada para bebés y/o infantes
JP6456192B2 (ja) * 2015-03-06 2019-01-23 株式会社Ｋａｋｕｒａ クッション
US11793322B2 (en) * 2016-03-07 2023-10-24 Purple Innovation, Llc Mattresses and mattress toppers including knitted fabric and related methods
US10463554B2 (en) * 2016-05-09 2019-11-05 Span-America Medical Systems, Inc. Adjustable width user support
US10835052B2 (en) * 2016-06-13 2020-11-17 WestPoint Home LLC Lie-flat mattress pad
WO2018021292A1 (ja) * 2016-07-28 2018-02-01 株式会社エアウィーヴ 寝具および寝具用カバーシート
IT201700044173A1 (it) * 2017-04-21 2018-10-21 Me Res Srl Materasso
BR112020017836A2 (pt) 2018-03-01 2020-12-22 Comfort Concepts, LLC Conjunto de assento e conjunto de almofada de assento
CN109177435A (zh) * 2018-09-05 2019-01-11 佛山市尚鸿针织有限公司 一种透气性好的立体针织品及其制备工艺
US12115116B2 (en) 2019-05-14 2024-10-15 Ige, Llc Support system including layers of spacer fabric and non-viscoelastic pressure relief material, and method for measuring pressure and pressure distribution properties of a support system

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04215710A (ja) * 1990-12-13 1992-08-06 Mitsubishi Motors Corp 通気性シート
DE59203090D1 (de) * 1991-08-30 1995-09-07 Kneitz Wilhelm & Co Ag Laminiertes Textilmaterial, insbesondere für technische Einsatzzwecke.
GB2290256B (en) * 1994-06-03 1997-10-29 Fagerdala World Foams Ab Laminated supports
DE19628698C1 (de) * 1996-07-17 1997-10-09 Daimler Benz Ag Fahrzeugsitz
US6766565B2 (en) * 2001-09-26 2004-07-27 Lineweight Llc Self-opening vent and pocket system
US20040074008A1 (en) * 2002-06-22 2004-04-22 Wendell Martens Memory foam mattress system
DE20309794U1 (de) * 2002-06-25 2003-10-02 Bodet & Horst Gmbh & Co Kg Mehrschichtiger Matratzenbezugsstoff
GB2400071B (en) * 2003-04-04 2006-01-11 Milliken Ind Ltd Dust control mat

Also Published As

Publication number Publication date
AU2004289540A1 (en) 2005-05-26
IES20030849A2 (en) 2005-02-09
US20110314607A1 (en) 2011-12-29
EP1687139B1 (de) 2010-02-10
CA2545830A1 (en) 2005-05-26
EP1687139A1 (de) 2006-08-09
US20070271705A1 (en) 2007-11-29
WO2005046988A1 (en) 2005-05-26
DE602004025495D1 (de) 2010-03-25
IL175618A0 (en) 2006-09-05

Similar Documents

Publication Publication Date Title
ATE457230T1 (de) Laminiertes körperstützelement
WO2007002290A3 (en) Reticulated material body support and method
US20140305441A1 (en) Cushion for Crossed-Ankle and Other Body Part Support
AR057267A1 (es) Aparato de soporte con una capa de gel
ATE530335T1 (de) Material, kissen und unterlage zur ruhigstellung einer person für medizinische behandlungen
WO2009120064A3 (en) Assembly for adapting a support surface in a wave shape
ATE479413T1 (de) Gerät zur verhinderung und/oder heilung von druckgeschwüren
ATE458429T1 (de) Matratze mit integrierter schaumstoffkomponente
GB2439018A (en) Garment support member with foam support layer and method of using same
GB2454138A (en) A mattress
KR101850982B1 (ko) 다기능성 건강 매트리스 및 침대
US20120177867A1 (en) Soft mat
KR100711823B1 (ko) 시트
ATE284154T1 (de) Bezug für rückenstützen, sitze und stützflächen von sportgeräten
FI123099B (fi) Tyyny
DE202005000410U1 (de) Matratze für ein Wasserbett o.dgl. Bett
PL2190319T3 (pl) Piankowy element sprężysty do poduszek, wezgłowi, materacy lub podobnych, sposób wytwarzania piankowego elementu sprężystego
DK1733651T3 (da) Væskeuigennemtrængeligt madrasbetræk
KR101850976B1 (ko) 다기능성 건강 매트리스 및 침대
KR200335882Y1 (ko) 이중 쿠션 매트리스
RU2005110240A (ru) Опорная подушка для мягкой мебели
KR200330549Y1 (ko) 침구용 매트
NL1035583C2 (nl) Matras dat 3 centimeter onder de bovenkant is voorzien van eenzelfde type regelmatige veelhoeken gevormd door een specifieke plaatsing van dipoolmagneten. In iedere veelhoek, gevormd door de dipool-magneten, bevindt zich één plaatje van bergkristal bergkristal is dat het voor degene die er op slaapt leidt tot verbeterd slaapcomfort, reductie van stress, in het centrum. Het doel van deze specifieke combinatie van dipool-magneten en plaatjes van reductie van stralingsbelasting en een verbeterde gezondheid.
KR200308945Y1 (ko) 건강베개
KR200226601Y1 (ko) 원적외선 방사용 매트

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties