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Extract from the Register of European Patents

EP About this file: EP0307915

EP0307915 - Carboxymethyl hydrophobically modified hydroxyethylcellulose (cmhmhec) and use of cmhmhec in protective coating compositions [Right-click to bookmark this link]
StatusNo opposition filed within time limit
Status updated on  11.11.1995
Database last updated on 29.03.2025
Most recent event   Tooltip12.09.2008Change - representativepublished on 15.10.2008  [2008/42]
Applicant(s)For all designated states
AQUALON COMPANY
2711 Centerville Road Little Falls Centre One Wilmington
Delaware 19850-5417 / US
[N/P]
Former [1989/35]For all designated states
AQUALON COMPANY
2711 Centerville Road Little Falls Centre One
Wilmington Delaware 19850-5417 / US
Former [1989/12]For all designated states
AQUALON COMPANY
2711 Centerville Road Little Falls Centre One
Wilmington Delaware 19850-5417 / US
Inventor(s)01 / Reid, Albert, R.
6094 50th Avenue, N., Pinellas County
Kenneth City Florida 33709 / US
02 / Royce Jr., Richard D.
61 Windsor Place Hampden County
Longmeadow Massachusetts 01106 / US
[1989/12]
Representative(s)Lederer, Franz, et al
Lederer & Keller
Patentanwälte
Unsöldstrasse 2
80538 München / DE
[N/P]
Former [2008/42]Lederer, Franz, et al
Lederer & Keller Patentanwälte Prinzregentenstrasse 16
80538 München / DE
Former [1994/35]Lederer, Franz, Dr., et al
Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16
D-80538 München / DE
Former [1989/12]Lederer, Franz, Dr.
Lederer, Keller & Riederer Patentanwälte Prinzregentenstrasse 16
D-80538 München / DE
Application number, filing date88115147.615.09.1988
[1989/12]
Priority number, dateUS1987009777717.09.1987         Original published format: US 97777
[1989/12]
Filing languageEN
Procedural languageEN
PublicationType: A2 Application without search report 
No.:EP0307915
Date:22.03.1989
Language:EN
[1989/12]
Type: A3 Search report 
No.:EP0307915
Date:26.07.1989
Language:EN
[1989/30]
Type: B1 Patent specification 
No.:EP0307915
Date:11.01.1995
Language:EN
[1995/02]
Search report(s)(Supplementary) European search report - dispatched on:EP08.06.1989
ClassificationIPC:C08B11/193, C09D7/12
[1989/12]
CPC:
C08B13/00 (EP,US); C08B11/193 (EP,KR,US); C09D7/43 (EP,US);
C08L1/26 (EP,US)
Designated contracting statesBE,   DE,   ES,   FR,   GB,   IT,   NL,   SE [1989/12]
TitleGerman:Hydrophobisch modifizierte Carboxymethylhydroxyäthylcellulose (CMHMHEC) und Verwendung in Schutzfarben[1989/12]
English:Carboxymethyl hydrophobically modified hydroxyethylcellulose (cmhmhec) and use of cmhmhec in protective coating compositions[1989/12]
French:Ether carboxymithyle d'hydroxyéthylcellulose rendue hydrophobe (CMHMHEC) et utilisation de CMHMHEC dans des peintures pour revêtement protecteur[1989/12]
Examination procedure14.09.1989Examination requested  [1989/45]
13.09.1991Despatch of a communication from the examining division (Time limit: M02)
14.11.1991Reply to a communication from the examining division
21.02.1992Despatch of a communication from the examining division (Time limit: M04)
19.06.1992Reply to a communication from the examining division
30.06.1992Despatch of a communication from the examining division (Time limit: M04)
13.10.1992Reply to a communication from the examining division
25.05.1993Despatch of communication that the application is refused, reason: substantive examination {1}
09.05.1994Despatch of communication of intention to grant (Approval: Yes)
27.06.1994Communication of intention to grant the patent
23.09.1994Fee for grant paid
23.09.1994Fee for publishing/printing paid
Appeal following examination20.07.1993Appeal received No.  T0860/93
27.08.1993Statement of grounds filed
29.12.1993Result of appeal procedure: continuation of examination procedure
Opposition(s)12.10.1995No opposition filed within time limit [1996/01]
Fees paidRenewal fee
21.09.1990Renewal fee patent year 03
09.09.1991Renewal fee patent year 04
15.09.1992Renewal fee patent year 05
16.09.1993Renewal fee patent year 06
08.09.1994Renewal fee patent year 07
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Documents cited:Search[A]GB670672  (HERCULES POWDER CO LTD);
 [AD]DE3004161  (HERCULES INC);
 [A]EP0210747  (ROHM & HAAS [US])
The EPO accepts no responsibility for the accuracy of data originating from other authorities; in particular, it does not guarantee that it is complete, up to date or fit for specific purposes.