Inventor

Tilo Vaahs

Inventor

Kelkheim, DE

Overview

1989–2001

Patent span

Chemistry

Primary field (CPC C)

Patents· 26 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

C04Bprimary

C04BLime, magnesia44%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds32%

C03CChemical composition of glasses, glazes or vitreous enamels4%

G02BOptical elements, systems or apparatus4%

A61LMethods or apparatus for sterilising materials or objects in general2%

B01DSeparation2%

C01BNon-metallic elements2%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium2%

C08JWorking-up2%

D06MTreatment, not provided for elsewhere in class d06, of fibres, threads, yarns, fabrics, feathers or fibrous goods made from such materials2%

PatentTitleYear

6,316,521'Absorption of formaldehyde in closed, gastight packs'2001 5,698,485'Process for producing ceramic microstructures from polymeric precursors'1997 5,483,614'Optical waveguide moldings made from silicon nitride and a method of detecting optical wavelengths using same'1996 5,403,361'Process for dyeing fiber materials modified with silanes, the modification of fibers materials with silane compounds, and silanes containing amino groups'1995 5,358,746'Optical moldings made from silicon nitride, and a process for their production'1994 5,225,243'Fiber-reinforced composite materials and process for their preparation'1993 5,196,556'Polysubstituted chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture'1993 5,189,132'Polymeric hydridochlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture'1993 5,187,252'Silazane polymers containing SiCl groups, process for their preparation, silicon nitride-containing ceramic materials which can be prepared from them, and their preparation'1993 5,182,411'Polymeric chlorosilazanes, process for their preparation, ceramic materials containing silicon nitride which can be manufactured therefrom, and their manufacture'1993 5,176,941'Process of producing a ceramic/fiber composite using a molten polysilazone'1993 5,162,272'Sinterable ceramic powder, process for its production, silicon nitride ceramic produced therefrom, process for its production and its use'1992 5,139,717'High-strength ceramic composite, process for its preparation and its use'1992 5,138,079'.alpha., .omega.-chlorosilazanes, and a process for their preparation'1992 5,100,975'Chlorine-containing silazane polymers, process for their preparation, ceramic material containing silicon nitride which can be prepared from them, and their preparation'1992 5,084,423'Polysilazanes, process for the preparation thereof, silicon, nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof'1992 5,081,078'Sinterable ceramic powder, process for its preparation, silicon nitride ceramic manufactured therefrom, process for its manufacture and its use'1992 5,081,080'Polymeric hydridosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof'1992 5,032,663'Chlorine-containing silazane polymers, process for their preparation, ceramic materials containing silicon nitride which can be prepared from them, and their preparation'1991 5,030,702'Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof'1991 5,011,801'Polymeric ethylene-bridged chlorosilazanes, process for their preparation, ceramic materials which can be prepared from them containing silicon nitride, and their preparation'1991 4,952,670'Polymeric hydridothiosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof'1990 4,946,920'Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof'1990 4,939,225'Polymeric hydridosilazanes, processes for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the preparation thereof'1990 4,935,481'Polysilazanes, process for the preparation thereof, silicon nitride-containing ceramic materials which can be prepared therefrom, and the prepaation thereof'1990 4,882,448'Si,Si\'diorganyl-N-alkyl-tetrachloro-disilazanes and a process for their preparation'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989–1997Patents assigned to HOECHST AG (24)· patent assignee history

1989–1996Based in Kelkheim, DE· patent location history

1991Patents assigned to BRUECK MARTIN (1)· patent assignee history

1991Patents assigned to PEUCKERT MARCELLUS (1)· patent assignee history

1991Based in Frankfurt am Main, DE· patent location history

1997Patents assigned to INST MIKROTECHNIK GMBH (1)· patent assignee history

1997Based in Eppstein, DE· patent location history

2001Patents assigned to TICONA GMBH (1)· patent assignee history

2001Based in Idstein, DE· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST AG	24	1989–1997
BRUECK MARTIN	1	1991
INST MIKROTECHNIK GMBH	1	1997
PEUCKERT MARCELLUS	1	1991
TICONA GMBH	1	2001

Locations

Location	Patents	Span
Kelkheim, DE	23	1989–1996
Idstein, DE	1	2001
Eppstein, DE	1	1997
Frankfurt am Main, DE	1	1991