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Hans-Jerg Kleiner
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Patents Grants
last 30 patents
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Patent Grant
Carboxyphenyl-alkylphosphinic acids, their esters and process for t...
Patent number
4,088,677
Issue date
May 9, 1978
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the flameproofing of textile materials
Patent number
4,072,776
Issue date
Feb 7, 1978
Hoechst Aktiengesellschaft
Fritz Linke
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Preparation of phosphonic and/or phosphinic acids
Patent number
4,069,245
Issue date
Jan 17, 1978
Hoechst Aktiengesellschaft
Walter Dursch
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Preparation of phosphonic and/or phosphinic acids
Patent number
4,069,247
Issue date
Jan 17, 1978
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flame resistant polyamide moulding compositions
Patent number
4,062,828
Issue date
Dec 13, 1977
Hoechst Aktiengesellschaft
Walter Herwig
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of tertiary phosphine oxides
Patent number
4,056,571
Issue date
Nov 1, 1977
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing cyclic phosphinic acid esters
Patent number
4,052,486
Issue date
Oct 4, 1977
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flameproofed modacryl copolymers, fibers and filaments containing c...
Patent number
4,052,551
Issue date
Oct 4, 1977
Hoechst Aktiengesellschaft
Bernd Huber
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for preparing 1,2-oxa-phospholanes
Patent number
4,045,480
Issue date
Aug 30, 1977
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flameproofed modacrylic copolymers of unsaturated carboxy-phosphini...
Patent number
4,041,230
Issue date
Aug 9, 1977
Hoechst Aktiengesellschaft
Bernd Huber
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Flame resistant synthetic linear polyesters and shaped structures m...
Patent number
4,035,343
Issue date
Jul 12, 1977
Farbwerke Hoechst Aktiengesellschaft vormals Meister Lucius & Bruning
Ulrich Bollert
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Stabilized polyolefin molding composition
Patent number
4,024,103
Issue date
May 17, 1977
Hoechst Aktiengesellschaft
Rudolf Heinrich
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for the manufacture of 2-halo-ethane-phosphonic acid dihali...
Patent number
4,013,715
Issue date
Mar 22, 1977
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of ethane-1,2-diphosphinic acid diesters
Patent number
4,001,352
Issue date
Jan 4, 1977
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Carboxyphenyl-alkylphosphinic esters
Patent number
3,974,243
Issue date
Aug 10, 1976
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of phosphonic acid dihalides
Patent number
3,972,923
Issue date
Aug 3, 1976
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for preparing halogenomethane-phosphonic acid dihalides
Patent number
3,962,324
Issue date
Jun 8, 1976
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Polyesters containing structural units derived from phosphonic acid...
Patent number
3,962,194
Issue date
Jun 8, 1976
Hoechst Aktiengesellschaft
Ulrich Bollert
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Preparation of phosphorus-organic esters
Patent number
3,962,378
Issue date
Jun 8, 1976
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of phosphonic acid dihalides
Patent number
3,950,413
Issue date
Apr 13, 1976
Hoechst Aktiengesellschaft
Manfred Finke
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Tertiary phosphine
Patent number
3,948,980
Issue date
Apr 6, 1976
Hoechst Aktiengesellschaft
Udo Dettmeier
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for the preparation of halo-methylphosphinic acid halides
Patent number
3,943,170
Issue date
Mar 9, 1976
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Flame retarding linear polyesters and shaped articles thereof
Patent number
3,941,752
Issue date
Mar 2, 1976
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information
Patent Grant
Process for the preparation of ethane-1,2-diphosphinic acid diesters
Patent number
3,939,050
Issue date
Feb 17, 1976
Hoechst Aktiengesellschaft
Hans-Jerg Kleiner
C07 - ORGANIC CHEMISTRY