ATE483769T1 - Am kohlenstoff substituierte methylamin-derivate und ihre verwendung als rheologiehilfsmittel - Google Patents

Am kohlenstoff substituierte methylamin-derivate und ihre verwendung als rheologiehilfsmittel

Info

Publication number
ATE483769T1
ATE483769T1 AT04740876T AT04740876T ATE483769T1 AT E483769 T1 ATE483769 T1 AT E483769T1 AT 04740876 T AT04740876 T AT 04740876T AT 04740876 T AT04740876 T AT 04740876T AT E483769 T1 ATE483769 T1 AT E483769T1
Authority
AT
Austria
Prior art keywords
carbon substituted
relates
rheological aids
control agents
substituted methylamine
Prior art date
Application number
AT04740876T
Other languages
English (en)
Inventor
Richard Brinkhuis
Rudolf Venderbosch
Original Assignee
Nuplex Resins Bv
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 Nuplex Resins Bv filed Critical Nuplex Resins Bv
Application granted granted Critical
Publication of ATE483769T1 publication Critical patent/ATE483769T1/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/2805—Compounds having only one group containing active hydrogen
    • C08G18/285—Nitrogen containing compounds
    • C08G18/2865—Compounds having only one primary or secondary amino group; Ammonia
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/28—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the compounds used containing active hydrogen
    • C08G18/30—Low-molecular-weight compounds
    • C08G18/32—Polyhydroxy compounds; Polyamines; Hydroxyamines
    • C08G18/3225—Polyamines
    • C08G18/3228—Polyamines acyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/71—Monoisocyanates or monoisothiocyanates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/73—Polyisocyanates or polyisothiocyanates acyclic
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/74—Polyisocyanates or polyisothiocyanates cyclic
    • C08G18/75—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic
    • C08G18/751—Polyisocyanates or polyisothiocyanates cyclic cycloaliphatic containing only one cycloaliphatic ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G18/00—Polymeric products of isocyanates or isothiocyanates
    • C08G18/06—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen
    • C08G18/70—Polymeric products of isocyanates or isothiocyanates with compounds having active hydrogen characterised by the isocyanates or isothiocyanates used
    • C08G18/72—Polyisocyanates or polyisothiocyanates
    • C08G18/80—Masked polyisocyanates
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
    • C09D175/04—Polyurethanes
    • C09D175/06—Polyurethanes from polyesters
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/04—Thixotropic paints
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/43—Thickening agents
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
    • C09D7/40—Additives
    • C09D7/45—Anti-settling agents
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L75/00—Compositions of polyureas or polyurethanes; Compositions of derivatives of such polymers
    • C08L75/02—Polyureas

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Polyurethanes Or Polyureas (AREA)
  • Paints Or Removers (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Adhesives Or Adhesive Processes (AREA)
  • Inks, Pencil-Leads, Or Crayons (AREA)
  • Solid Fuels And Fuel-Associated Substances (AREA)
AT04740876T 2003-07-08 2004-07-08 Am kohlenstoff substituierte methylamin-derivate und ihre verwendung als rheologiehilfsmittel ATE483769T1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP03077152 2003-07-08
US53024003P 2003-12-18 2003-12-18
PCT/EP2004/007597 WO2005005557A1 (en) 2003-07-08 2004-07-08 Carbon-substituted methyl amine derivatives and their use as a rheology control agent

Publications (1)

Publication Number Publication Date
ATE483769T1 true ATE483769T1 (de) 2010-10-15

Family

ID=34923960

Family Applications (1)

Application Number Title Priority Date Filing Date
AT04740876T ATE483769T1 (de) 2003-07-08 2004-07-08 Am kohlenstoff substituierte methylamin-derivate und ihre verwendung als rheologiehilfsmittel

Country Status (11)

Country Link
US (1) US7851530B2 (de)
EP (1) EP1641887B1 (de)
JP (1) JP5336043B2 (de)
KR (1) KR101103105B1 (de)
CN (2) CN100457837C (de)
AT (1) ATE483769T1 (de)
BR (1) BRPI0412310B1 (de)
DE (1) DE602004029466D1 (de)
ES (1) ES2358404T3 (de)
PL (1) PL1641887T3 (de)
WO (1) WO2005005557A1 (de)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1838747B1 (de) * 2005-01-11 2018-04-18 Allnex Netherlands B.V. Co-mischungen zur verwendung in der rheologie-modifizierung
US7632882B2 (en) 2005-01-13 2009-12-15 E.I. Du Pont De Nemours And Company Rheology control agents for coating compositions
MX2007008505A (es) * 2005-01-13 2007-09-04 Du Pont Agentes de control de reologia para composiciones de recubrimiento.
EP1902081B1 (de) 2005-06-28 2010-12-29 Nuplex Resins B.V. Polyharnstoffprodukt als thixotropes rheologiemodifizierendes mittel
DE102006010721B4 (de) 2006-03-08 2010-04-15 Byk-Chemie Gmbh Biuretverbindungen zur Rheologiesteuerung
FR2907337A1 (fr) * 2006-10-19 2008-04-25 Oreal Vernis a ongles contenant un compose issu de la reaction d'au moins un polyisocyanate et d'au moins une amine primaire
FR2907336A1 (fr) * 2006-10-19 2008-04-25 Oreal Vernis a ongles contenant un agent gelifiant polyuree
CN101864055B (zh) * 2010-06-13 2012-06-13 东南大学 一种旋光螺旋聚氨酯材料及其制备方法
WO2012113739A1 (de) * 2011-02-22 2012-08-30 Basf Se Rheologiemittel für strahlungshärtbare beschichtungsmassen
CN105985724A (zh) 2011-10-07 2016-10-05 树脂核动力工业有限公司 可交联组合物
JP6373965B2 (ja) 2013-04-08 2018-08-15 オールネックス・ネザーランズ・ビー．ブイ．Ａｌｌｎｅｘ Ｎｅｔｈｅｒｌａｎｄｓ Ｂ．Ｖ． 真マイケル付加（ｒｍａ）反応により架橋可能な組成物
JP6295706B2 (ja) * 2014-02-19 2018-03-20 東ソー株式会社 ポリオール組成物
EP3283584A1 (de) 2015-04-17 2018-02-21 Allnex Netherlands B.V. Rma-kreuzverbindbare zusammensetzung mit verbesserter haftung
PL3283587T3 (pl) 2015-04-17 2024-07-22 Allnex Netherlands B.V. Sieciowalne rma kompozycje i sieciowalne rma żywice do powłok łatwych do czyszczenia
CN107660227B (zh) 2015-04-17 2021-07-16 欧尼克斯荷兰有限公司 地板涂料组合物
CA2983148C (en) 2015-04-17 2023-05-09 Allnex Netherlands B.V. Process for the manufacture of a crosslinkable composition
EP3328909B1 (de) * 2015-07-27 2019-06-26 BYK-Chemie GmbH Harnstoffurethane zur rheologiesteuerung
KR102512110B1 (ko) 2016-11-07 2023-03-20 알넥스 네덜란드 비. 브이. 틱소트로피 조성물의 제조 방법
CN106634788B (zh) * 2016-12-27 2019-07-30 苏州中材非金属矿工业设计研究院有限公司 装配式建筑聚氨酯密封胶及其制备方法
US10370555B2 (en) * 2017-05-16 2019-08-06 Ppg Industries Ohio, Inc. Curable film-forming compositions containing hydroxyl functional acrylic polymers and bisurea compounds and multilayer composite coatings
ES2974695T3 (es) 2017-07-14 2024-07-01 Ppg Ind Ohio Inc Composiciones formadoras de película curables que contienen polímeros funcionales reactivos y resinas de polisiloxano, recubrimientos compuestos multicapa y métodos para su uso
KR102657317B1 (ko) * 2019-01-04 2024-04-16 비와이케이-케미 게엠베하 우레아 기 함유 레올로지 제어 첨가제
US11760897B2 (en) 2019-07-30 2023-09-19 Axalta Coating Systems Ip Co., Llc Coating compositions including a sag control agent and wax
CN111349370A (zh) * 2020-04-24 2020-06-30 湖南湘江关西涂料有限公司 高触变性树脂及其制备方法与应用、涂料
KR20220141258A (ko) 2021-04-12 2022-10-19 악살타 코팅 시스템즈 게엠베하 고 전달 효율 어플리케이터를 이용하여 기재에 용매계 코팅 조성물을 적용하여 그 위에 코팅 층을 형성하는 방법
WO2022229209A1 (en) 2021-04-28 2022-11-03 Allnex Netherlands B.V. Process for overspray-free application of a resin composition and resin compositions for use in the process
DE202024101935U1 (de) * 2024-04-18 2024-05-27 Nippon Paint Automotive Europe Gmbh Glitzernde Klarlackzusammensetzung und mehrschichtige Kraftfahrzeugbeschichtung, die diese Zusammensetzung enthält

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL176864C (nl) * 1976-11-25 1985-06-17 Akzo Nv Werkwijze voor de bereiding van een thixotrope bekledingssamenstelling.
US4528319A (en) * 1984-07-20 1985-07-09 General Motors Corporation Sag control of high solid polyurethane clearcoats by urea thixotrope/silica systems
NL8500475A (nl) * 1985-02-20 1986-09-16 Akzo Nv Thixotrope bekledingssamenstelling.
US5039801A (en) * 1985-12-20 1991-08-13 The United States Of America As Represented By The Department Of Health & Human Services Thermal fragmentation of methylbenzylurea disastereomers or secondary amines and preparation of optically active secondary amines
US4965317A (en) * 1989-10-16 1990-10-23 Ppg Industries, Inc. Coating composition with sag control agent
JPH05322866A (ja) * 1992-05-15 1993-12-07 Showa Denko Kk クロマトグラフィー用吸着担体
WO2000037520A1 (en) * 1998-12-22 2000-06-29 Akzo Nobel N.V. Thixotropic amino formaldehyde resin
JP3817082B2 (ja) * 1999-02-08 2006-08-30 サンアプロ株式会社 エポキシ樹脂の硬化促進剤
DE19924170A1 (de) * 1999-05-25 2000-11-30 Basf Coatings Ag Thixotropierungsmittel
JP3904349B2 (ja) * 1999-08-05 2007-04-11 三井化学株式会社 揺変性付与剤およびその製造方法
DE10039837C2 (de) * 2000-08-16 2003-03-20 Byk Chemie Gmbh Verfahren zur Herstellung einer lagerstabilen, rheologisch wirksamen Harnstoffurethan-Lösung mit breiter Verträglichkeit
DE10126647A1 (de) * 2001-06-01 2002-12-12 Basf Coatings Ag Rheologiehilfsmittel, Verfahren zu seiner Herstellung und seine Verwendung
DE10139262C1 (de) * 2001-08-09 2003-01-02 Basf Coatings Ag Rheologiehilfsmittel, Verfahren zu seiner Herstellung und seine Verwendung
DE60237243D1 (de) * 2001-10-26 2010-09-16 Nuplex Resins Bv Nadelförmige kristalle von diharnstoffderivaten die sich von hydrazin ableiten und ihre verwendung zur veränderung der rheology in überzugszusammensetzungen und klebstoffen
JP4057290B2 (ja) * 2001-12-13 2008-03-05 楠本化成株式会社 非水系塗料用垂れ防止剤
US6815501B2 (en) * 2002-04-09 2004-11-09 E. I. Du Pont De Nemours And Company Dual cure coating compositions and process for the production of multilayer coatings
AU2002304685A1 (en) * 2002-04-24 2003-11-10 Basf Coatings Ag Thermally curable, thixotropic mixtures containing carbamate and/or allophanate groups
CN1175072C (zh) * 2002-08-12 2004-11-10 中国化工建设总公司常州涂料化工研究院 含流变改性树脂的溶剂型高固体分涂料

Also Published As

Publication number Publication date
KR20060086931A (ko) 2006-08-01
JP5336043B2 (ja) 2013-11-06
CN1816597A (zh) 2006-08-09
US7851530B2 (en) 2010-12-14
CN1816598A (zh) 2006-08-09
BRPI0412310A (pt) 2006-08-22
US20060289828A1 (en) 2006-12-28
PL1641887T3 (pl) 2011-04-29
WO2005005557A1 (en) 2005-01-20
JP2009513739A (ja) 2009-04-02
CN100457837C (zh) 2009-02-04
BRPI0412310B1 (pt) 2015-08-18
DE602004029466D1 (de) 2010-11-18
EP1641887A1 (de) 2006-04-05
CN100471918C (zh) 2009-03-25
EP1641887B1 (de) 2010-10-06
ES2358404T3 (es) 2011-05-10
KR101103105B1 (ko) 2012-01-04

Similar Documents

Publication Publication Date Title
DE602004029466D1 (de) Am kohlenstoff substituierte methylamin-derivate u
ATE547487T1 (de) Aminosäurederivate und deren verwendung als biegungskontrollmittel
DK1501507T3 (da) Tetrahydropyranyl-cyclopentyl-tertrahydropyridopyrindin-modulatorer af kemokin-receptor-aktivitet
ECSP055813A (es) Quinolin-, isoquinolin- y quinazolin-oxialquilamidas y su uso como fungicidas
DK1696919T3 (da) 3-cycloalkylaminopyrrolidin-derivater som modulatorer af chemokinreceptorer
AU2003259747A8 (en) Substituted hihydroquinolines as glucocorticoid mimetics, methods of making them, pharmaceutical compositions, and uses thereof
MXPA04000622A (es) Pirazolilcarboxanilidas como funguicidas.
DE60305446D1 (de) Desazapurine und deren verwendung
ATE345683T1 (de) Malonsäuerenitril-verbindungen und ihre verwendung als pestizide
ATE517089T1 (de) Trifluormethylsubstituierte spirocyclische ketoenole und ihre verwendung als schädlingsbekämpfungsmittel und herbizide
DK1856135T3 (da) Prodrugs af 2,4-pyrimidindiamin-forbindelser og deres anvendelser
MY135333A (en) Modulators of the glucocorticoid receptor
DE602004030334D1 (de) Synthese von 5-substituierten 7-azaindolen und 7-azaindolinen
ATE447562T1 (de) Verstärker von glutamat-rezeptoren
SE0403171D0 (sv) New compounds
DE602005010821D1 (de) Kondensierte heteroyralderivate und deren verwendung als p38-kinase-inhibitoren
ATE434614T1 (de) 4,6-disubstitutierte pyrimidine und deren verwendung als proteinkinase-hemmer
ATE269340T1 (de) Thiazolopyrimidine und ihre verwendung als modulatoren der chemokin-rezeptor-aktivität
ATE373645T1 (de) Phenyltetrazol-verbindungen
DE60326263D1 (de) Pyrimidin-sulfonamide und ihre verwendung als endothelin-rezeptor-antagonisten
MXPA06000986A (es) Compuestos.
ATE390420T1 (de) 2-substituierte pyrimidine und ihre verwendung als pestizide
ATE355338T1 (de) Rheologisches additiv
DE60328621D1 (de) Cyclooct-(en-)yl-derivate zur verwendung als duftstoffe
DE60311000D1 (de) Indolderivate und deren verwendung als 5-ht liganden

Legal Events

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