Inventor

Walter Herwig

Inventor

Bad Soden, DE

Overview

26→

Patents

1976–1995

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.

G03Fprimary

G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices19%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests16%

C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds13%

C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds13%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients8%

C07FAcyclic, carbocyclic or heterocyclic compounds containing elements other than carbon, hydrogen, halogen, oxygen, nitrogen, sulfur, selenium or tellurium6%

D01FChemical features in the manufacture of artificial filaments, threads, fibres, bristles or ribbons5%

H05KPrinted circuits5%

B23KSoldering or unsoldering3%

C08LCompositions of macromolecular compounds3%

PatentTitleYear

5,387,486'Radiation-polymerizable mixture and process for producing a solder resist mask'1995 5,264,324'Radiation-polymerizable mixture and process for producing a solder resist mask'1993 4,956,264'Radiation-polymerizable mixture'1990 4,696,987'Process for the preparation of polymers of vinylphosphonic acid in protic solvents'1987 4,678,737'Radiation-sensitive composition and recording material based on compounds which can be split by acid'1987 4,559,292'Photosensitive transfer material having a support of defined roughness'1985 4,495,271'Radiation polymerizable mixture and copying material produced therefrom'1985 4,485,166'Radiation-polymerizable mixture and photopolymerizable copying material prepared therefrom'1984 4,458,007'Radiation polymerizable mixture containing reaction products of glycerol acrylates and polyisocyanates'1984 4,458,005'Polyvinylmethylphosphinic acid, process for its manufacture and use'1984 4,438,189'Radiation-polymerizable mixture and photopolymerizable copying material prepared therefrom'1984 4,399,239'Elastomeric, ethylenically unsaturated polyurethanes and radiation polymerizable mixtures containing such polyurethanes'1983 4,387,139'Elastomeric, ethylenically unsaturated polyurethanes and radiation polymerizable mixtures containing such polyurethanes'1983 4,379,834'Process for cleaning copper-containing metal surfaces'1983 4,307,009'Filler-containing molding composition and process for its manufacture'1981 RE030783'Flame retarding linear polyesters and shaped articles thereof'1981 4,174,340'Plastic molding composition containing a filler'1979 4,062,828'Flame resistant polyamide moulding compositions'1977 4,036,811'Flame retarding polyamide molding compositions'1977 4,018,746'Transparent copolyamides from m-xylylene diamine, an aliphatic diamine and terephthalic acid'1977 4,014,957'Thermoplastic polyamide moulding compositions'1977 3,992,360'Transparent polyamides from 1,3-bis-(aminomethyl)-cyclohexane and aliphatic amino carboxylic acid'1976 3,980,614'Flame retarding plastic materials'1976 3,962,194'Polyesters containing structural units derived from phosphonic acids or estere'1976 3,962,368'Linear polyester molding composition containing cross-linked linear polyester as a nucleating agent'1976 3,941,752'Flame retarding linear polyesters and shaped articles thereof'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1993Patents assigned to HOECHST AG (23)· patent assignee history

1976–1981Based in Neuenhain, Taunus, DT· patent location history

1976Based in Taunus, DE· patent location history

1979–1995Based in Bad Soden, DE· patent location history

1983Patents assigned to KALLE AG (1)· patent assignee history

1995Patents assigned to MORTON INT INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
HOECHST AG	23	1976–1993
KALLE AG	1	1983
MORTON INT INC	1	1995

Locations

Location	Patents	Span
Bad Soden, DE	16	1979–1995
Neuenhain, Taunus, DT	9	1976–1981
Taunus, DE	1	1976